|Pulse or digital communications patents - Monitor Patents|
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Pulse or digital communicationsBelow are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application. 10/02/2014 > 86 patent applications in 37 patent subcategories.
20140294048 - Method and system for transmission of identification via metadata for repeating relays using spread-spectrum technology: A communication method for transmitting meta-data through a meta-carrier signal comprising encoding meta-data using an encoder, the meta-data comprising information that identifies a repeating relay to which a spread meta-carrier signal is to be transmitted, encoded using an encoder, modulating, using a modulator and spreading, using a spreader, the encoded... Agent:
20140294049 - Transmitting spread signal in communication system: The present invention provides for transmitting a spread signal in a mobile communication system. The present invention includes spreading a signal using a plurality of spreading codes, wherein the plurality of spreading codes have a spreading factor, multiplexing the spread signal by code division multiplexing, transmitting the multiplexed signal via... Agent: Lg Electronics Inc.
20140294050 - Method and modem for adjusting modulation mode: The present invention provides a method and modem for adjusting a modulation mode. In embodiments of the present invention, a first modem generates indication information according to a current working first modulation mode, so that the first modem can send the indication information to a second modem through a data... Agent: Huawei Technologies Co., Ltd.
20140294052 - Communication system with proactive network maintenance and methods for use therewith: A transmitter for use in a cable modem termination system includes a data processing module that generates a plurality of OFDM symbols from a data packet. A probe symbol generator generates a probe symbol, as one of a plurality of probe symbol types. The probe symbol is selectively inserted within... Agent: Broadcom Corporation
20140294053 - Method for detecting abnormailty of input signal and slave station for use in same: A management data region including a plurality of pulse-like signals is included in a series of pulse-like signals output from the master station to the common data signal line, and different from a control/monitoring data region including data of a control data signal and data of a monitoring data signal.... Agent: Anywire Corporation
20140294051 - Transmitting device, receiving device, circuit device, communication method and program: A transmitting device, a receiving device, a circuit device, and a communication method to reduce problems due to coupling present between the transmitting device and the receiving device. The transmitting device including: a model storage unit for storing a change model for a reference level of a signal on the... Agent: International Business Machines Corporation
20140294054 - Prequalification of vectoring before implementation: A prequalification determination is made on a DSL line to predict the bit rate improvement that might be accomplished by implementation of vectoring, providing information to use in determining whether or not to implement vectoring. Overall noise is measured on the line, along with FEXT noise, and the FEXT noise... Agent: Fluke Corporation
20140294057 - Apparatus and method of compensating for i/q imbalance in direct up-conversion system: An apparatus and a method of compensating for an I/Q imbalance in a direct up-conversion system prevents the performance of the system from being deteriorated by efficiently compensating for an I/Q timing skew, an I/Q phase imbalance, and an I/Q gain imbalance by using a characteristic of an OFDM scheme... Agent: Innowireless Co., Ltd.
20140294056 - Low-complexity diversity reception: A system may comprise a plurality of signal processing paths, a bin-wise combiner, an inverse transformation block, and a DAC. Each signal processing path may comprise a transformation block that is operable to transform a first time-domain digital signal to an associated frequency-domain signal having a plurality of subband signals.... Agent: Maxlinear, Inc.
20140294055 - Multi-mode frequency domain equalization with adaptation to varying channel conditions: Methods and systems to configure a receiver based on a channel condition. A system may be implemented to estimate a channel based on PN sequences in a received signal, concurrently equalize a frequency domain representation of the signal with multiple blind adaptive equalizers, and evaluate results of the equalizations to... Agent:
20140294058 - Efficient calculation of initial equaliser coefficients: Methods of efficient calculation of initial equaliser coefficients are described. In a first stage, a channel matched filter is generated based on an estimate of CIR and then used to filter the CIR estimate. In a second stage, initial FFE coefficients are calculated from a portion of the match filtered... Agent: Imagination Technologies, Ltd.
20140294059 - Efficient tracking of decision-feedback equaliser coefficients: Efficient methods and apparatus for tracking decision-feedback equaliser (DFE) coefficients are described. In an embodiment, updated coefficients for a feed-forward equaliser (FFE) are generated using conventional methods and then these are used, along with an averaged updated value of channel impulse response (CIR) estimate to generate updated DFE coefficients. In... Agent: Imagination Technologies Limited
20140294060 - Low power oversampling with delay locked loop implementation: In one embodiment, an apparatus including a phase detector unit to determine a phase difference between a reference clock signal and a feedback clock signal. The apparatus further includes a controller unit to generate a delay signal based on the phase difference. The apparatus further includes a set of voltage-controlled... Agent:
20140294061 - Depth coding modes signaling of depth data for 3d-hevc: Techniques are described for encoding and decoding depth data for three-dimensional (3D) video data represented in a multiview plus depth format using depth coding modes that are different than high-efficiency video coding (HEVC) coding modes. Examples of additional depth intra coding modes available in a 3D-HEVC process include at least... Agent: Qualcomm Incorporated
20140294066 - Image processing apparatus and method: An image processing apparatus of the present disclosure is provided with a controller which controls candidates for an inter prediction mode in which motion compensation is performed based on accuracy of a motion vector, a motion search unit which performs a motion search only in the inter prediction modes allowed... Agent: Sony Corporation
20140294062 - Inter-layer reference picture restriction for high level syntax-only scalable video coding: In one implementation, an apparatus is provided for encoding or decoding video information. The apparatus comprises a memory unit configured to store reference layer pictures associated with a reference layer, an enhancement layer, or both. The apparatus further comprises a processor operationally coupled to the memory unit. In one embodiment,... Agent: Qualcomm Incorporated
20140294063 - Inter-layer reference picture restriction for high level syntax-only scalable video coding: In one implementation, an apparatus is provided for encoding or decoding video information. The apparatus comprises a memory unit configured to store reference layer pictures associated with a reference layer, an enhancement layer, or both. The apparatus further comprises a processor operationally coupled to the memory unit. In one embodiment,... Agent: Qualcomm Incorporated
20140294065 - Method and apparatus for encoding video, and method and apparatus for decoding video: Disclosed is a method of encoding a video, the method including: splitting a current picture into at least one maximum coding unit; determining a coded depth to output a final encoding result according to at least one split region obtained by splitting a region of the maximum coding unit according... Agent: Samsung Electronics Co., Ltd.
20140294067 - Method and device for encoding and decoding parameter sets at slice level: Provided is a method for encoding parameter sets at slice level. The method includes: when there are one or more parameter sets, in which the coding tool parameters are identical to the coding tool parameters of a part of coding tools used for the current slice, in the existing parameter... Agent:
20140294064 - Rtp payload format designs: A device for processing video data includes a memory; a receiver configured to real-time transport protocol (RTP) packets; and one or more processors configured to receive a first fragmentation unit comprising a subset of a fragmented network abstraction layer (NAL) unit; parse a start bit of the fragmentation unit to... Agent: Qualcomm Incorporated
20140294068 - Sample adaptive offset compensation of video data: A method of sample adaptive offset (SAO) compensation of video data is disclosed, where pixels in the video data are classified into SAO categories, each SAO category representing a possible edge artefact and defining a corresponding offset value to be applied to pixels in the respective SAO category to compensate... Agent:
20140294070 - Adaptive quantization for enhancement layer video coding: Techniques and tools for encoding enhancement layer video with quantization that varies spatially and/or between color channels are presented, along with corresponding decoding techniques and tools. For example, an encoding tool determines whether quantization varies spatially over a picture, and the tool also determines whether quantization varies between color channels... Agent: Microsoft Corporation
20140294069 - Method and apparatus for encoding and decoding image by using large transform unit: An apparatus for decoding an image includes an entropy decoder that performs entropy decoding to generate quantized transformation coefficients of a transformation unit in a coding unit and an inverse transformer that inverse quantizes the quantized transformation coefficients to generate transformation coefficients of the transformation unit and inverse transforms the... Agent: Samsung Electronics Co., Ltd.
20140294071 - Method for determining a modifiable element in a coded bit-stream and associated device: A method for determining a modifiable element in a coded bit-stream is disclosed that comprises decoding a part of the coded bit-stream; modifying said part of the coded bit-stream; decoding the modified part of the coded bit-stream; and obtaining a modifiable element with an element in the decoded modified bit-stream... Agent: Thomson Licensing
20140294073 - Apparatus and method of providing recompression of video: Disclosed herein are an apparatus and a method of providing recompression of a video capable of recompressing and transmitting flags of data having an association with neighboring data in a video block and an original video by a simple logic. To this end, the apparatus of providing recompression of a... Agent: Electronics And Telecommunications Research Institute
20140294072 - Apparatuses and methods for staggered-field intra-refresh: Examples of apparatuses and methods for performing staggered-field intra-refresh process are described herein. An example apparatus may include an encoder configured to provide an encoded bitstream based on a video signal. The encoder is configured to perform a staggered-field intra-refresh process over a series of frames of the video signal,... Agent: Magnum Semiconductor, Inc.
20140294075 - Image coding method, image decoding method, image coding apparatus, and image decoding apparatus: An image coding method, comprising: subtracting a prediction signal from the input image signal for each coding unit, thereby generating respective prediction error signals; performing orthogonal transform and quantization on a corresponding one of the prediction error signals for each transform unit, eventually generating quantization coefficients; and coding pieces of... Agent:
20140294077 - Method and apparatus for encoding video by using deblocking filtering, and method and apparatus for decoding video by using deblocking filtering: A method and apparatus for encoding video by using deblocking filtering, and a method and apparatus for decoding video by using deblocking filtering are provided. The method of encoding video includes: splitting a picture into a maximum coding unit; determining coding units of coded depths and encoding modes for the... Agent: Samsung Electronics Co., Ltd.
20140294074 - Method and apparatus for encoding video, and method and apparatus for decoding video: Disclosed is a method of encoding a video, the method including: splitting a current picture into at least one maximum coding unit; determining a coded depth to output a final encoding result according to at least one split region obtained by splitting a region of the maximum coding unit according... Agent: Samsung Electronics Co., Ltd.
20140294076 - Tracking a reference picture on an electronic device: A method for tracking a reference picture on an electronic device is described. The method includes receiving a bitstream. The method also includes decoding a portion of the bitstream to produce a decoded reference picture. The method further includes tracking the decoded reference picture in a decoded picture buffer (DPB)... Agent:
20140294078 - Bandwidth reduction for video coding prediction: In one example, an apparatus for coding video data comprises a video coder configured to obtain a motion vector for predicting a video block with a non-4:2:0 chroma format, determine a video block size for the video block, modify the motion vector to generate a modified motion vector for obtaining... Agent: Qualcomm Incorporated
20140294088 - Image encoding method and image decoding method: The present invention relates to an image encoding method and an image decoding method. An image encoding method according to the present invention comprises: a step of determining motion information of a current block; and a step of transmitting information for inducing the motion information, wherein the step of determining... Agent:
20140294080 - Image processing device, image processing method, and computer program: There is provided an image processing device including a combining unit configured to combine a plurality of encoded streams before the streams are decoded and to detect a loss of information in the plurality of encoded streams, and an alternative information providing unit configured to provide the combining unit with... Agent: Sony Corporation
20140294083 - Method and an apparatus for decoding a video: The present disclosure relates to a method and an apparatus for motion vector encoding/decoding through estimations of multiple motion vectors, and to a method and an apparatus for video encoding/decoding using the same. The disclosure provides a motion vector encoding apparatus including a motion vector estimator for estimating a plurality... Agent:
20140294084 - Method and apparatus for encoding and decoding coding unit of picture boundary: A method and apparatus for encoding an image is provided. An image coding unit, including a region that deviates from a boundary of a current picture, is divided to obtain a coding unit having a smaller size than the size of the image coding unit, and encoding is performed only... Agent: Samsung Electronics Co., Ltd.
20140294082 - Method and apparatus for encoding video by using block merging, and method and apparatus for decoding video by using block merging: Provided are a method and apparatus for encoding a video by using block merging and a method and apparatus for decoding a video by using block merging. The method of encoding includes: determining an encoding mode indicating a current data unit for encoding of a picture and an encoding method... Agent: Samsung Electronics Co., Ltd.
20140294085 - Method and system for selectively performing multiple video transcoding operations: Method and system for transcoding a sequence of input images into a sequence of output images that can effectively handle one or more transcoding uses cases are presented. The embodiments of the invention exploit the incoming metadata retrieved from the decoding process to adapt the video content and to achieve... Agent:
20140294087 - Method of constructing merge list: Provided is a method checks availability of spatial merge candidates and a temporal merge candidate, constructs a merge candidate list using available spatial and temporal merge candidates, and adds one or more candidates if the number of available spatial and temporal merge candidates is smaller than a predetermined number. The... Agent:
20140294086 - Method of decoding video data: The invention provides a method of decoding video data in merge mode, comprising: constructing a merge candidate list using available spatial and temporal merge candidates; deriving motion information using a merge index; generating a prediction block using the motion information; generating a residual block by inverse-quantizing the quantized block using... Agent:
20140294079 - Motion vector processing device for clustering motion vectors and method of processing the same: A motion vector processing device includes a motion vector detection unit, a transforming unit, and a clustering processing unit. The motion vector detection unit detects motion vectors from a current image frame and a reference image frame. The transforming unit transforms the detected motion vectors into corresponding points in a... Agent: Samsung Electronics Co., Ltd.
20140294081 - Video signal predictive interpolation: A method of enhancing picture quality of a video signal is disclosed. The method comprises the steps of generating an interpolated base frame image: receiving a first previously decoded difference picture; receding a second previously decoded difference picture; generating a combined motion compensated difference surface; and generating a temporally interpolated... Agent: Video 264 Innovations, LLC
20140294089 - Hybrid transform-based compression: A system implements a hybrid coding mode. The hybrid coding mode may implement a transform to decompose an input stream into frequency components. The frequency components may include frequency bands such as those resulting from a wavelet transform. The frequency components may have associated coefficients which may be determined via... Agent:
20140294090 - Method and apparatus for arranging pixels of picture in storage units each having storage size not divisible by pixel size: A data arrangement method includes following steps: obtaining pixel data of a plurality of first N-bit pixels of a picture; and storing the obtained pixel data of the first N-bit pixels in a plurality of M-bit storage units of a first buffer according to a block-based scan order of the... Agent: Mediatek Inc.
20140294091 - Method of and apparatus for compression encoding a picture in a picture sequence: The present invention relates to a method of and apparatus for compression encoding of a picture in a picture sequence. In particular, the invention relates to a method of and apparatus for compression encoding of a picture in a picture sequence so as to maintain a good picture quality while... Agent: Telefonaktiebolaget L M Ericsson (publ)
20140294092 - Rtp payload format designs: A device for processing video data includes a memory; a receiver configured to real-time transport protocol (RTP) packets; and one or more processors configured to: receive a first real-time transport protocol (RTP) packet comprising a first network abstraction layer (NAL) unit, and in response to a transmission mode for the... Agent: Qualcomm Incorporated
20140294093 - Rtp payload format designs: A device for processing video data includes a memory, a receiver configured to real-time transport protocol (RTP) packets, and one or more processors configured to receive a first aggregation packet according to a real-time transfer protocol (RTP), wherein the first aggregation packet comprises a payload header and one or more... Agent: Qualcomm Incorporated
20140294094 - Custom data indicating nominal range of samples of media content: A media processing tool adds custom data to an elementary media bitstream or media container. The custom data indicates nominal range of samples of media content, but the meaning of the custom data is not defined in the codec format or media container format. For example, the custom data indicates... Agent: Microsoft Corporation
20140294097 - Device and method for scalable coding of video information: An apparatus configured to code (e.g., encode or decode) video information includes a memory unit and a processor in communication with the memory unit. The memory unit is configured to store video information associated with a reference layer and an enhancement layer, the enhancement layer comprising an enhancement layer (EL)... Agent: Qualcomm Incorporated
20140294100 - Dual channel encoding and detection: Methods and systems for dual channel encoding and detection are described. In one embodiment, Auxiliary data may be encoded in an audio portion of one or more frames of a content signal based on an audio encoding technique. The auxiliary data may be encoded in a video portion of the... Agent:
20140294098 - Image processor: In the multi mode, the software processing unit notifies the hardware processing unit by batch of multiple settings information sets about multiple output pictures before the hardware processing unit starts to encode an input picture, and the hardware processing unit performs continuous encoding for the output pictures, based on the... Agent: Megachips Corporation
20140294101 - Method and apparatus for encoding video based on scanning order of hierarchical data units, and method and apparatus for decoding video based on scanning order of hierarchical data units: A video decoding method and apparatus and a video encoding method and apparatus based on a scanning order of hierarchical data units are provided. The decoding method includes: receiving and parsing a bitstream of an encoded video; extracting from the bitstream information about a size of a maximum coding unit... Agent: Samsung Electronics Co., Ltd.
20140294095 - Moving picture data comparing method and apparatus: A method comprises extracting a picture type and size per picture frame from encoded first moving picture data, calculating a first characteristic quantity per picture frame and a first variation point indicating a variation point of the first characteristic quantity on the basis of the extracted picture type and size,... Agent: Fujitsu Limited
20140294096 - Video image data delivery device, method and system: When a delivery device has been instructed to switch to delivery of video image encoded data with one or more different encoding parameters, in cases in which the video image has been segmented into plural segments, out of replacement target frame images for a predetermined consecutive portion in each of... Agent: Fujitsu Limited
20140294099 - Video quality of sevice management and constrained fidelity constant bit rate video encoding systems and methods: A constrained variable rate coding technique limits the number of bits used in an encoding process. A quality setting indicates a maximum level of quality to be used in the encoding process which limits the number of bits used in the encoding process. A bandwidth reclamation factor which indicates an... Agent:
20140294102 - Intelligent msi-x interrupts for video analytics and encoding: Video analytics may be used to assist video encoding by selectively encoding only portions of a frame and using, instead, previously encoded portions. Previously encoded portions may be used when succeeding frames have a level of motion less than a threshold. In such case, all or part of succeeding frames... Agent:
20140294103 - Data communication over power supply lines of an electronic system: Disclosed are various embodiments for communicating information between various electronic components. A local device may comprise a transmitter to convert communication signals into modulated signals. Modulated signals are injected into a shared power supply line. The remote device may comprise a receiver for identifying the injected signal, demodulating the injected... Agent: Broadcom Corporation
20140294104 - Communicating over a desired tone in the presence of interference having an unknown magnitude that is substantially constant: Methods and systems are disclosed for transmitting data over a desired frequency tone in the presence of an interference that has an unknown magnitude that is substantially constant. In general, data symbols are transmitted in a null space of the desired frequency tone. The null space of the desired frequency... Agent:
20140294105 - Generation and processing of a variable - band modulated ofdm signal with auxiliary signalling: A method for generating a variable-band modulated signal (x) where the modulating digital signal (X) of the modulated signal (x) includes at least one component (C, S, P); the digital information (r) about the variable band is repeatedly or periodically superimposed on the at least one component (C, S, P)... Agent:
20140294107 - Apparatus for multi-user multi-antenna transmission based on double codebook and method for the same: Double codebook-based multi-user, a multi-antenna transmission apparatus and a transmission method are started. A transmission apparatus includes an effective channel information reception unit configured to receive an effective channel matrix for a transmission channel, a zero-forcing precoding unit configured to receive data streams and perform zero-forcing precoding to null inter-user... Agent: Electronics And Telecommunications Research Institute
20140294111 - Channel sounding and estimation strategies in mimo systems: In a system having a first communication device with a first plurality of radio-frequency (RF) chains coupled to a first plurality of antennas and a second communication device with a second plurality of RF chains coupled to a second plurality of antennas, the second communication device receives consecutive training packets... Agent:
20140294108 - Extrapolating channel state information (\"csi\") estimates from multiple packets sent over different antennas to generate a combined csi estimate for a mimo-ofdm system: A method for extrapolating channel state information (“CSI”) estimates from multiple packets sent over different antennas to generate a combined CSI estimate for a MIMO-OFDM system is disclosed. Packets are received on m×ni×W channel configurations, wherein m is the number of receive antennas used to receive the packets, ni is... Agent:
20140294106 - Implementing mimo in mmwave wireless communication systems: A system and method are provided to increase data rates available in mmWave wireless communication systems by adapting a multiple-input multiple-output (MIMO) in a next generation mmWave wireless communication system. The system and method advantageously employ the characteristics of mmWave antenna arrays, including multiple antenna elements in each antenna array,... Agent:
20140294110 - Method and apparatus for opportunistic interference alignment (oia) in multi-user multiple-input multiple-output (mu-mimo) transmission: A method and apparatus for opportunistic interference alignment (OIA) in multi-user multiple-input multiple-output (MU-MIMO) transmission, the method including broadcasting a random beam, receiving, from a terminal, feedback information determined based on the random beam, selecting at least one terminal to which data is to be transmitted from among terminals based... Agent: Electronics And Telecommunications Research Institute
20140294109 - Method and apparatus for opportunistic interference alignment (oia) in single-user multiple-input multiple-output (su-mimo) transmission: A method and apparatus for opportunistic interference alignment (OIA) in single-user multiple-input multiple-output (SU-MIMO) transmission, the method including selecting an interference space, broadcasting information on the selected interference space, selecting a user terminal to be assigned a transmission opportunity for each subchannel based on leakage of interference (LIF) information when... Agent: Electronics And Telecommunications Research Institute
20140294112 - Method and arrangement for adapting a multi-antenna transmission: A method in a first node for adapting a multi-antenna transmission to a second node over a wireless channel is provided. The wireless channel has at least three inputs and at least one output. The first node and the second node are comprised in a wireless communication system. The method... Agent:
20140294113 - Method for single stream beamforming with mixed power constraints: System and method for calculating a transmitter beamforming vector related to a channel vector h under per-antenna power constraints combined with total power constraint, under per-antenna power constraints combined with overall line of site (LOS) effective isotropic radiated power (EIRP) and under all three constraints. Calculating a transmitter beamforming vector... Agent:
20140294114 - Methods and apparatus for reducing interference effect on data transmitted over a communication channel: In one example embodiment, a method for reducing an effect of an interference signal on data being transmitted over a communication channel is disclosed. The method includes determining, by a processor, a code vector representing data based on an information vector and an interference vector, the information vector representing the... Agent: Alcatel-lucent Usa Inc.
20140294115 - Method and apparatus for configuring transmission mode: Embodiments of the present invention provide a method and an apparatus for configuring a transmission mode, where the method includes: obtaining channel matrix information, where the channel matrix information is any one of the following: a precoding matrix indicator which most matches a current uplink channel matrix of a terminal,... Agent:
20140294116 - Systems and methods for implementing receiver transparent q-mode: In a receiver transparent Q-mode, i.e., a Q-mode that is only implemented by a transmitter, the receiver is unaware of the Q-mode state of the transmitter. In this type of Q-mode configuration, the transmitter could enter and exit Q-mode as desired while the receiver, could, for example, continue to function... Agent:
20140294118 - Apparatus and method for transmitting data using fountain code in wireless communication system: An apparatus and a method for transmitting data using a fountain code are provided. The method for transmitting data includes determining a degree distribution of a fountain code based on erasure rate information regarding at least one receiving end, performing fountain encoding according to the degree distribution, and transmitting symbols... Agent: Samsung Electronics Co., Ltd.
20140294117 - Spurious frequency attenuation servo: A spurious frequency attenuation servo is provided. The spurious frequency attenuation servo includes a first function generator that generates a first signal at a first frequency and at a spurious frequency; a second function generator that generates a second signal in-phase with the first signal and at the spurious frequency;... Agent: Honeywell International Inc.
20140294119 - System and method for distortion-power adapted adaptive pre-distortion: A method of generating Nth order product predistortion coefficients for use by a linearizer in a non-linear communications system comprising receiving an input signal by a processor, applying, by the processor, a frequency domain-based adaptation algorithm by measuring Nth order products of an output signal of the system and iteratively... Agent:
20140294120 - Dual loop digital predistortion for power amplifiers: A method of predistorting an input signal (902) for an amplifier is disclosed (FIG. 9). The method includes predistorting the input signal with a first set of parameters (FDPD) and a second set of parameters (CDPD) at a first time (904). The first set of parameters is updated at a... Agent: Texas Intsruments Incorporated
20140294121 - Method and apparatus for transmitting and receiving signal: Modulation is performed on a first input signal and a second input signal to be transmitted based on symbol mapping. Phase values of the first and second modulated input signals are selectively adjusted. Angle modulation is performed on the first input signal and the second input signal having selectively adjusted... Agent: Electronics And Telecommunications Research Insti
20140294122 - Method and a device for determining an extrinsic information: A device for detecting an estimated value for a symbol at a given time, which is supplied to a phase modulation and transmitted via a transmission channel with a time-variable phase, provides a unit for determining log weighting factors in a forward recursion, a unit for determining complex coefficients in... Agent: Rohde & Schwarz Gmbh & Co. Kg
20140294123 - Channel estimation in ofdm transmission system and method: A system and method is provided for estimating the channel in OFDM transmission with inter-carrier interference (ICI). A channel in a data subcarrier in a subchannel shared between pilot subcarriers and data subcarriers can be estimated by performing interpolation based on estimated channels in pilot subcarriers in the same OFDM... Agent: Situne Corporation
20140294125 - Receiver: Appropriate reception processing is performed using a CRS-based estimation method for a covariance matrix RI+N. An IRC receiver 10 according to the present invention includes: a covariance matrix estimation unit 12/13 configured to estimate a covariance matrix RI+N based on a CRS; a missing element insertion unit 14 configured to... Agent: Ntt Docomo, Inc.
20140294124 - Transmitter and method of transmitting and receiver and method of detecting ofdm signals: A transmitter transmits payload data using Orthogonal Frequency Division Multiplexed (OFDM) symbols. The first OFDM symbol is a first type having a number of sub-carriers which is less than or equal to the number of sub-carriers of the one or more second OFDM symbols of a second type and a... Agent: Sony Corporation
20140294126 - Methods and apparatus for reducing interference effect on data transmitted over a communication channel: In one example embodiment, a method for reducing an effect of an interference signal on data being transmitted over a communication channel includes determining, by a processor, a code word based on at least an information vector and an interference vector, the information vector representing the data, the interference vector... Agent: Alcatel-lucent Usa Inc.
20140294127 - Method, apparatus, receiver, computer program and storage medium for joint detection: The present invention relates a method, apparatus, receiver, computer program for joint detection. In the method, it is firstly determined if whether a number of original active codes is beyond a predefined threshold or not, and when the number of the original active codes is beyond the predefined threshold and... Agent: Ericsson Modems Sa
20140294128 - Receiver and synchronization correcting method: A receiver includes a transformation part configured to convert a time domain received signal to a frequency domain signal, a known signal extraction part configured to extract a known signal from the frequency domain signal, an estimation part configured to estimate a channel characteristic based upon the extracted known signal,... Agent: Fujitsu Limited
20140294129 - Slope detecting receiver: A receiver for receiving digital data after transmission through a channel which produces inter-symbol interference or other distortion. In one embodiment, a received signal is differentiated before being digitized to form an output digital bit stream, to reduce the effects of inter-symbol interference and other distortion in the channel. The... Agent: Samsung Display Co., Ltd.
20140294130 - Receiver and signal processing method: A receiver includes a detector to detect an interfered-with carrier from a received and demodulated signal, a fast Fourier transform computation part to perform fast Fourier transform to convert a time domain signal to a frequency domain signal and adjust an output power level of a desired carrier wave contained... Agent: Fujitsu Limited
20140294131 - Clock determination for a sensor: A method for determining a clock for a sensor signal which has a synchronization signal, which method involves a control unit measuring the period between a first edge and a second edge of the synchronization signal, wherein both edges are either rising or falling, and the control unit taking the... Agent:
20140294132 - Clock phase interpolator, data transmission and reception circuit, and method of clock phase interpolation: A clock phase interpolator includes: a phase interpolation processing circuit configured to generate an interpolated clock signal whose phase is interpolated from a plurality of operation clock signals having different phases; a band adjustment element coupled to the phase interpolation processing circuit, and configured to adjust an operational frequency band... Agent: Fujitsu Limited
20140294133 - Low-cost port synchronization method in multiport ethernet devices: A method for frequency synchronization of a multiport device may include recovering a clock frequency of a master port of a first device that is linked to the multiport device at a slave port of the multiport device. A clock frequency of the slave port may be locked to the... Agent: Broadcom Corporation09/25/2014 > 94 patent applications in 40 patent subcategories.
20140286377 - Dynamic assignment of frequency hopping sequences in a communication network: In one embodiment, a management device determines a topology of nodes in a network. Based on the topology, frequency hopping sequences are assigned (and notified) to the nodes such that each particular node of a certain set of the nodes is assigned a frequency hopping sequence on which to transmit... Agent: Cisco Technology, Inc.
20140286379 - Multicarrier transmission system with low power sleep mode and rapid-on capability: A multicarrier transceiver is provided with a sleep mode in which it idles with reduced power consumption when it is not needed to transmit or receive data. The full transmission and reception capabilities of the transceiver are quickly restored when needed, without requiring the full (and time-consuming) initialization commonly needed... Agent:
20140286378 - Receiving circuit and communication circuit: A receiving circuit includes: an interpolation circuit that generates, by using an interpolation coefficient, output data including a data point and a boundary point from pieces of input data that are input in chronological order; a detection circuit that outputs a detection signal when the detection circuit detects a phase... Agent: Fujitsu Limited
20140286380 - Wireless communication subsystem with a digital interface: Systems and methods are disclosed which provide wireless communication systems implementing subsystems adapted for flexible deployment configurations and to resist the introduction of interference. Preferred embodiments of the present invention provide a wireless communication system configuration in which an ODU subsystem is coupled to an IDU subsystem using a fiber... Agent: Netgear, Inc.
20140286381 - Receiver circuit and semiconductor integrated circuit: In a receiver circuit which can correct a deviation of phase between an input signal and a clock, a sampler detects an amplitude level of the input signal at timing indicated by the clock, a first comparison circuit compares a first and a second amplitude level detected by the sampler... Agent: Fujitsu Limited
20140286382 - Computing i/q impairments at system output based on i/q impairments at system input: Systems and methods for measuring transmitter and/or receiver I/Q impairments are disclosed, including iterative methods for measuring transmitter I/Q impairments using shared local oscillators, iterative methods for measuring transmitter I/Q impairments using intentionally-offset local oscillators, and methods for measuring receiver I/Q impairments. Also disclosed are methods for computing I/Q impairments... Agent: National Instruments Corporation
20140286383 - Selectable-tap equalizer: A signaling circuit having a selectable-tap equalizer. The signaling circuit includes a buffer, a select circuit and an equalizing circuit. The buffer is used to store a plurality of data values that correspond to data signals transmitted on a signaling path during a first time interval. The select circuit is... Agent: Rambus Inc.
20140286388 - Configurable multi-dimensional driver and receiver: Embodiments of the invention are generally directed to a configurable multi-mode driver and receiver. An embodiment of a communication system includes a communication channel, and a first device and a second device coupled with the communication channel. The first device includes a driver apparatus to drive data signals on the... Agent:
20140286386 - Interference reduction of multiple signals: The present invention reduces the degradation in performance of one or more radio signals that are co-transmitted with a first radio signal from the same transmitting antenna in the same frequency channel and received by the same antenna due to multipath or other shared interference, where the one or more... Agent:
20140286384 - Method for equalizing filterbank multicarrier (fbmc)modulations: A method for equalizing the received signal in communications based on filterbank multicarrier modulations and, more particularly, to such a method and system especially advantageous in situations where the channel frequency selectivity is exceptionally high. The method significantly improves the performance of traditional filterbank equalization algorithms based on finite impulse... Agent:
20140286387 - Rank-order equalization: For digital data transmitted using a vector signaling encoding, a rank-order equalizer cancels various channel noise such as inter-symbol interference. Further, rank-order units may be cascaded to achieve improved equalization over successive sample vector signals in a rank-order equalizer. Multiple rank-order equalizers further operate in parallel in a feed forward... Agent:
20140286385 - Systems and methods for multi-dimensional signal equalization: Embodiments are related to systems and methods for data processing, and more particularly to systems and methods for equalizing a data signal.... Agent: Lsi Corporation
20140286389 - Multiphase receiver with equalization circuitry: An integrated circuit device includes a sense amplifier with an input to receive a present signal representing a present bit. The sense amplifier is to produce a decision regarding a logic level of the present bit. The integrated circuit device also includes a circuit to precharge the input of the... Agent: Rambus Inc.
20140286390 - Encoder controller graphics processing unit and method of encoding rendered graphics: An encoder controller graphics processing unit (GPU) and a method of encoding rendered graphics. One embodiment of the encoder controller GPU includes: (1) an encoder operable to encode rendered frames of a video stream for transmission to a client, and (2) an encoder controller configured to detect a mark embedded... Agent: Nvidia Corporation
20140286397 - Frame-compatible full-resolution stereoscopic 3d video delivery with symmetric picture resolution and quality: A high resolution 3D image may be encoded into a first multiplexed image frame and a second multiplexed image frame in a base layer (BL) video signal and an enhancement layer (EL) video signal. The first multiplexed image frame may comprise horizontal high resolution image data for both eyes, while... Agent: Dolby Laboratories Licensing Corporation
20140286395 - Method and apparatus for encoding video by using block merging, and method and apparatus for decoding video by using block merging: Provided are a method and apparatus for encoding a video by using block merging and a method and apparatus for decoding a video by using block merging. The method of encoding includes: determining an encoding mode indicating a current data unit for encoding of a picture and an encoding method... Agent: Samsung Electronics Co., Ltd.
20140286394 - Method and apparatus for encoding video, and method and apparatus for decoding video: A method of decoding an image includes obtaining information that indicates an intra prediction mode of a current block to be decoded, from a bitstream, the intra prediction mode indicating a particular direction among a plurality of directions, the particular direction being indicated by one of dx number of pixels... Agent: Samsung Electronics Co., Ltd.
20140286392 - Method and apparatus for encoding/decoding image by using adaptive loop filter on frequency domain using conversion: A video encoding method for reducing encoding error by using a loop filter is provided, the method including: generating a reconstructed image from encoded data of an original image; determining one or more regions on which the loop filter is applied in the reconstructed image; transforming the original image and... Agent: Sk Telecom Co., Ltd.
20140286396 - Method for encoding and decoding images based on constrained offset compensation and loop filter, and apparatus therefor: Provided are a method and apparatus for encoding and decoding images based on constrained offset compensation and a loop filter. The image decoding apparatus: receives, from an encoder, a first indicator indicating whether a sequence, a picture, a frame, a slice, a coding unit (CU), a prediction unit (PU), and/or... Agent: Electronics And Telecommunications Research Instit
20140286393 - Picture coding method and picture decoding method: In a picture coding method for generating a coded signal corresponding to each picture by coding a plurality of coded signals, a switching picture which is capable of switching a plurality of coded signals and subsequent pictures of the switching picture can refer to only a group of pictures of... Agent:
20140286391 - Sample adaptive offset (sao) processing apparatus reusing input buffer and operation method of the sao processing apparatus: A sample adaptive offset (SAO) processing apparatus reusing an input buffer and an operation method of the SAO processing apparatus may include a SAO parameter parser to parse SAO parameter information from a bitstream; a SAO parameter adjuster to extract SAO type information and offset information from the parsed SAO... Agent: Samsung Electronics Co., Ltd.
20140286405 - Compressing image data: Methods, systems, and computer programs for encoding and decoding image are described. In some aspects, an input data block and a prediction data block are accessed. A projection factor is generated based on a projection of the input data block onto the prediction data block. A scaled prediction data block... Agent:
20140286404 - Filtering method for performing deblocking filtering on a boundary between an intra pulse code modulation block and a non-intra pulse code modulation block which are adjacent to each other in an image: A filtering method is for performing deblocking filtering on the boundary between an IPCM block and a non-IPCM block adjacent to each other in an image and including: determining a first quantization parameter for the non-IPCM block; determining a second quantization parameter for the IPCM block, using the first quantization... Agent:
20140286401 - Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding-decoding apparatus: An image coding method includes: generating a predicted block; calculating a residual block; calculating quantized coefficients by performing transform and quantization on the residual block; calculating a coded residual block by performing inverse quantization and inverse transform on the quantized coefficients; generating a temporary coded block; determining whether or not... Agent:
20140286398 - Image quantization parameter encoding method and image quantization parameter decoding method: An image quantization parameter encoder includes: a prediction unit 11 for generating a predicted quantization parameter from a past reconstructed quantization parameter; a computing unit 12 for generating a delta quantization parameter from a quantization parameter and the predicted quantization parameter; and a quantization parameter encoding unit 13 for binary... Agent:
20140286400 - Intra prediction modes for lossy coding when transform is skipped: A video coder applies a residual differential pulse code modulation technique to a residual data of a block coded using lossy coding. The block may be coded without application of a transform to the residual data.... Agent: Qualcomm Incorporated
20140286406 - Method for determining quantization parameters on basis of size of conversion block, and device for same: Provided are a method and apparatus for determining quantization parameter for a quantization and an inverse quantization performed during a video encoding and decoding. The quantization parameter determination method includes determining transformation units of at least one size included in a coding unit; determining a default quantization parameter of the... Agent: Samsung Electronics Co., Ltd.
20140286402 - Moving picture coding device, moving picture coding method, and moving picture coding program, and moving picture decoding device, moving picture decoding method, and moving picture decoding program: In a moving picture coding device that codes moving pictures in units of a block by partitioning a first block, which is obtained by partitioning each picture of the moving pictures into predetermined sizes, into one or a plurality of second blocks, a quantization parameter calculation unit calculates a quantization... Agent: Jvc Kenwood Corporation
20140286403 - Moving picture coding device, moving picture coding method, and moving picture coding program, and moving picture decoding device, moving picture decoding method, and moving picture decoding program: In a moving picture coding device that further divides a first block acquired by dividing each picture of a moving picture into a predetermined size into one or a plurality of second blocks and codes the moving picture in units of blocks, a quantization parameter calculation unit calculates a quantization... Agent:
20140286399 - Pyramid vector quantization for video coding: An apparatus and corresponding method are provided for pyramid vector quantization of video data, including receiving the video data in the frequency domain; and pyramid vector quantizing at least one group of pictures (GOP) from the received video data in accordance with a potentially varying bandwidth, the GOP comprising key... Agent:
20140286407 - Resilient signal encoding: A system and method for resilient signal encoding provide for encoding a data signal to reduce bandwidth required to transmit the encoded signal while mitigating the impact of frames lost or corrupted during transmission. A first frame of the data signal is encoded as an independently decodable frame and is... Agent: Qnx Software Systems Limited
20140286417 - Data encoding and decoding: A data coding apparatus in which a set of ordered data is encoded includes: an entropy encoder encoding the ordered data, wherein each data item is split into respective data subsets that are encoded by first and second encoding systems so that for a predetermined quantity of encoded data generated... Agent: Sony Corporation
20140286413 - Disabling sign data hiding in video coding: A video coder may determine that sign data hiding is disabled for a current block if the current block is generated using lossy coding without application of a transform to residual data and the current block is intra predicted using an intra prediction mode in which a residual differential pulse... Agent: Qualcomm Incorporated
20140286409 - Enhanced reference region utilization for scalable video coding: Techniques to identify one or more candidate reference blocks used to generate a prediction block to encode a current coding block. The candidate reference blocks can be in the same layer as the current coding block or a different layer. In addition, the candidate reference blocks do not have to... Agent:
20140286408 - Inter-layer pixel sample prediction: Systems, devices and methods are described including performing scalable video coding using inter-layer pixel sample prediction. Inter-layer pixel sample prediction in an enhancement layer coding unit, prediction unit, or transform unit may use reconstructed pixel samples obtained from a base layer or from a lower enhancement layer. The pixel samples... Agent:
20140286412 - Intra dc prediction for lossless coding in video coding: A video coder may generate a predictive block. As part of generating the predictive block, the video coder may use at least one of a losslessly reconstructed sample to left of a current sample in a current row of a predictive block and a losslessly reconstructed sample for a row... Agent: Qualcomm Incorporated
20140286411 - Method and apparatus for scalable video encoding and method and apparatus for scalable video decoding: Provided are scalable video encoding and decoding methods. The scalable video encoding method includes: obtaining a peripheral pixel of an enhancement block based on a peripheral pixel of a base layer block corresponding to the enhancement layer block to be prediction-encoded, and performing intra prediction on the enhancement layer block... Agent: Samsung Electronics Co., Ltd.
20140286416 - Method and device for transmitting image information, and decoding method and device using same: An image decoding method according to the present invention comprises the steps of: acquiring information to form a reference picture set of a current picture by entropy decoding the received bitstream information; and performing prediction on a prediction block inside the current picture by using a reference picture list which... Agent: Lg Electronics Inc. A Corporation
20140286414 - Moving picture encoding device, moving picture encoding method and moving picture encoding program, and moving picture decoding device, moving picture decoding method and moving picture decoding program: In inter prediction that is performed by partitioning a first block, which is obtained by partitioning each picture, into one or more second blocks, a spatial merge candidate generating unit derives a spatial merge candidate without referring to a block included in a first block that includes a second block.... Agent:
20140286410 - System and method for non-uniform video coding: A method and system for video coding by integrating frame data and time data may be described. The method and system can include a video coding non-transitory storage media that integrates reference data and time data. More specifically, the video coding non-transitory storage media can produce one or more luma... Agent:
20140286415 - Video encoding/decoding method and apparatus for same: According to the present invention, a video decoding method comprises: a step of decoding a first bitstream corresponding to a base layer image based on first decoding information corresponding to the image that belongs to the view which is different from the view to which the base layer image belongs;... Agent:
20140286419 - Method and apparatus for encoding and decoding image by using large transform unit: An apparatus for decoding an image, the apparatus including an entropy decoder that performs entropy-decoding to obtain quantized transformation coefficients of at least one transformation unit in a coding unit of the image, a decoder that determines a prediction mode of at least one prediction unit in the coding unit... Agent: Samsung Electronics Co., Ltd.
20140286418 - Method and apparatus for encoding video, and method and apparatus for decoding video: Disclosed is a method of encoding a video, the method including: splitting a current picture into at least one maximum coding unit; determining a coded depth to output a final encoding result according to at least one split region obtained by splitting a region of the maximum coding unit according... Agent: Samsung Electronics Co., Ltd.
20140286420 - Skip macroblock coding: Various techniques and tools for encoding and decoding (e.g., in a video encoder/decoder) binary information (e.g., skipped macroblock information) are described. In some embodiments, the binary information is arranged in a bit plane, and the bit plane is coded at the picture/frame layer. The encoder and decoder process the binary... Agent: Microsoft Corporation
20140286432 - Apparatus for decoding motion information in merge mode: Disclosed is an apparatus for decoding motion information in merge mode for reconstructing a moving picture signal coded at a low data rate while maintaining a high quality of an image. The apparatus for decoding motion information in merge mode discloses the position of a merge mode candidate and the... Agent:
20140286423 - Disparity vector derivation in 3d video coding for skip and direct modes: A video decoder performs a neighboring-block based disparity vector (NBDV) derivation process to determine a disparity vector or performs a NBDV refinement (NBDV-R) process to determine the disparity vector. The video decoder uses the disparity vector as a disparity vector for a current block without using a median filtering process... Agent: Qualcomm Incorporated
20140286421 - Disparity vector refinement in video coding: A video coding device performs a disparity vector derivation process for a current block of multi-view video data. The current block is in a current view. An availability value indicates that a disparity vector for the current block is unavailable when the disparity vector derivation process is unable to derive... Agent: Qualcomm Incorporated
20140286433 - Hierarchical motion estimation for video compression and motion analysis: Systems and methods for hierarchical motion estimation are described. The hierarchical motion estimation may provide motion information and pixel correlation among temporal pictures at different resolutions, which may be utilized in motion related video processing applications such as video coding, motion compensation based denoising, interpolation, and others to improve the... Agent: Dolby Laboratories Licensing Corporation
20140286425 - Image decoding device and method thereof using inter-coded predictive encoding code: An image encoding device and corresponding decoding device are disclosed for achieving a high rate of compression. The encoding device includes an image conversion module that converts the direction of the images using right-left symmetry mode convention or up-down symmetry mode conversion. Encoding modules are used to encode both the... Agent: Hitachi Consumer Electronics, Co. Ltd.
20140286434 - Image-encoding method and image-decoding method: The present invention relates to an image-encoding method, to an image-decoding method, and to an apparatus using same. The image-encoding method according to the present invention comprises the following steps: determining the location of a corresponding sample in a reference layer; restoring a sample of a reference unit in the... Agent:
20140286426 - Method and apparatus for encoding video by motion prediction using arbitrary partition, and method and apparatus for decoding video by motion prediction using arbitrary partition: A method of decoding a video including parsing AMP information indicating whether partition types include asymmetric partition types, from a bitstream of an encoded image, determining at least one coding unit included in a maximum coding unit by using split information parsed from the received bitstream, determining at least one... Agent: Samsung Electronics Co., Ltd.
20140286428 - Method and apparatus for encoding video by using block merging, and method and apparatus for decoding video by using block merging: Provided are a method and apparatus for encoding a video by using block merging and a method and apparatus for decoding a video by using block merging. The method of encoding includes: determining an encoding mode indicating a current data unit for encoding of a picture and an encoding method... Agent: Samsung Electronics Co., Ltd.
20140286430 - Method and apparatus for encoding video by using block merging, and method and apparatus for decoding video by using block merging: Provided are a method and apparatus for encoding a video by using block merging and a method and apparatus for decoding a video by using block merging. The method of encoding includes: determining an encoding mode indicating a current data unit for encoding of a picture and an encoding method... Agent: Samsung Electronics Co., Ltd.
20140286431 - Method and apparatus for encoding video by using block merging, and method and apparatus for decoding video by using block merging: Provided are a method and apparatus for encoding a video by using block merging and a method and apparatus for decoding a video by using block merging. The method of encoding includes: determining an encoding mode indicating a current data unit for encoding of a picture and an encoding method... Agent: Samsung Electronics Co., Ltd.
20140286427 - Moving picture coding device, moving picture coding method, and moving picture coding program, and moving picture decoding device, moving picture decoding method, and moving picture decoding program: A motion vector predictor candidate generating unit makes a prediction based on a motion vector of one of coded neighboring blocks that are neighboring to a coding target block in space or time and generates a plurality of motion vector predictor candidates. A motion vector predictor redundant candidate removing unit... Agent:
20140286429 - Moving picture coding device, moving picture coding method, and moving picture coding program, and moving picture decoding device, moving picture decoding method, and moving picture decoding program: A merging motion information calculating unit calculates motion information of a plurality of coded neighboring blocks located at predetermined positions neighboring to a coding target block in space as spatial motion information candidates of the coding target block, in a case where there are spatial motion information candidates having the... Agent:
20140286422 - Video coding apparatus and method: A video coding apparatus includes a processor that executes a procedure. The procedure includes: (c) classifying each of a plurality of groups into either a full evaluation group or into a partial evaluation group; (d) determining the prediction mode to use as generating the predicted image of a coding target... Agent: Fujitsu Limited
20140286424 - Video encoding system for dynamically managing energy, rate and distortion and surveillance system using the same: A video encoding system for dynamically managing energy, a data rate and data distortion is disclosed. The video encoding system for dynamically managing the energy, the data rate and the data distortion includes one or more sensors, an encoder configured to encode a signal obtained by the one or more... Agent: Center For Integrated Smart Sensors Foundation
20140286436 - Image processing apparatus and image processing method: The present disclosure relates to an image processing apparatus and an image processing method in which a deterioration of an image quality of a color difference signal due to the quantization can be suppressed. The image processing apparatus in the present disclosure includes an offset setting unit that sets an... Agent: Sony Corporation
20140286435 - Image processor: The image processor includes a ⅓ multiplier circuit that approximately multiplies an input value X by ⅓. The ⅓ multiplier circuit includes a loop operation circuit that repeatedly perform a predetermined operation by loops, and a setting circuit that sets a required number of loops in the loop operation circuit.... Agent: Megachips Corporation
20140286437 - Methods and devices for data compression using context-based coding order: A method is presented for entropy coding data using an entropy coder to encode an input sequence. A context model is used to determine the context of each symbol and a probability estimation is made for each symbol. A method is presented for revising the coding order to be context-based,... Agent: Blackberry Limited
20140286439 - Apparatus for transmitting image data: An image data transmitting apparatus is disclosed, the apparatus being configured to receive a right image and a left image and transmit the received right image and left image to a host system using a USB method, such that a depth image and a color image can be compressed in... Agent: Lg Innotek Co., Ltd.
20140286438 - Quality of service management server and method of managing streaming bit rate: A quality of service (QoS) management server and a method of managing a streaming bit rate. One embodiment of a QoS management server includes: (1) an encoder operable to encode a video stream at a current bit rate for transmission via a network interface controller (NIC) and (2) a processor... Agent: Nvidia Corporation
20140286440 - Quality of service management system and method of forward error correction: A quality of service (QoS) management system and a method of forward error correction (FEC). One embodiment of the QoS management system includes a QoS management server including: (1) an encoder operable to forward error correction (FEC) encode a video stream at a current redundancy level for transmission via a... Agent: Nvidia Corporation
20140286441 - Video quality measurement: A particular implementation receives a bitstream and derives parameters from the bitstream. The parameters include quantization parameters, content unpredictability parameters, ratios of lost blocks, ratios of propagated blocks, error concealment distances, motion vectors, durations of freezing, and frame rates. Using these parameters, a compression distortion factor, a slicing distortion factor,... Agent:
20140286442 - Apparatus and method for in-loop filtering based on largest coding unit for reducing external memory access bandwidth: An apparatus and method for in-loop filtering based on a largest coding unit (LCU) to reduce an external memory access bandwidth. An in-loop filter may include an external memory to store decoded frames, an internal memory to store pixels in use for deblocking filtering and sample adaptive offset filtering, a... Agent: Samsung Electronics Co., Ltd.
20140286443 - Signal adaptive filtering method, signal adaptive filter and computer readable medium for storing program therefor: A signal adaptive filtering method for reducing blocking effect and ringing noise, a signal adaptive filter, and a computer readable medium. The signal adaptive filtering method capable of reducing blocking effect and ringing noise of image data when a frame is composed of blocks of a predetermined size includes the... Agent: Samsung Electronics Co., Ltd.
20140286445 - Transmitter, communications system and method for transmitting data signals: A transmitter for transmitting data signals to at least one communications device over a wired network on a plurality of carriers is provided, wherein the carriers are located in frequencies being allocated by one or more radio services, wherein each of the radio services is allocated to one or a... Agent: Sony Corporation
20140286444 - Wi-fi/bpl dual mode repeaters for power line networks: A method and apparatus for maintaining network connectivity over power lines is disclosed. Such network connectivity is maintained even if various customers are covered by different power line networks or if one or more power lines in a network are unavailable to transmit data. More particularly, in order to bridge... Agent: At&t Intellectual Property Ii, L.p.
20140286446 - Receiver and semiconductor integrated circuit having the same: A receiver includes a positive pulse determination circuit and a negative pulse determination circuit. The positive pulse determination circuit outputs a first L-level between when a pulse signal having a negative amplitude is detected and when neither a pulse signal having a positive amplitude nor a pulse signal having a... Agent: Renesas Electronics Corporation
20140286447 - Peak to average power ratio suppression: A transmitter may comprise a first domain translation circuit, a first PAPR suppression circuit, and a descriptor generation circuit. The first domain translation circuit may convert a plurality of frequency-domain symbols of a first OFDM symbol to a corresponding plurality of first time-domain signals. The first PAPR suppression circuit may... Agent: Maxlinear, Inc.
20140286448 - System and method for transmitting a quadrature amplitude modulation (qam) waveform to a receiver: An encoder can convert a stream of data into three or four synchronized 4-PSK signals, for 64-QAM and 256-QAM, respectively. Three or four mixers can combine the three or four synchronized PSK signals with a common local oscillator signal to form three or four respective amplifiable signals, which can all... Agent: Raytheon Bbn Technologies Corp.
20140286452 - Codebook subsampling for pucch feedback: A method in a mobile communication terminal includes holding a definition of a sub-sampled codebook identifying precoding matrices to be used for providing precoding feedback by the terminal The precoding matrices in the sub-sampled codebook are selected from a master codebook that is made-up of a long-term sub-codebook and a... Agent:
20140286450 - Multi-antenna transmitter for multi-tone signaling: Embodiments of a communication circuit are described. This communication circuit includes an input node to receive a set of data symbols and a partitioner coupled to the input node. This partitioner is to divide the set of data symbols into M irregular subgroups of data symbols, a given one of... Agent: Rambus Inc.
20140286451 - Precoding method, transmitting device, and receiving device: A transmission scheme for transmitting a first modulated signal and a second modulated signal in the same frequency at the same time. According to the transmission scheme, a precoding weight multiplying unit multiplies a precoding weight by a baseband signal after a first mapping and a baseband signal after a... Agent:
20140286449 - Wireless link apparatus: A wireless link apparatus includes a plurality of antennas; a signal detector configured to calculate SNR based on a signal received from at least one of the plurality of antennas; and a mode selector configured to determine the number of an antenna to be used in modulation method and signal... Agent: Electronics And Telecommunications Research Institute
20140286453 - Satellite communication having distinct low priority information broadcast into adjacent sub-regions: A satellite communication system using hierarchical modulation to transmit a plurality of modulated signals to sub-regions within a region. Each modulated signal includes high priority content and low priority content. The system includes a satellite equipped with a plurality of satellite transmitters coupled to a plurality of antenna elements, e.g.... Agent: Delphi Technologies, Inc.
20140286454 - Distortion compensation device and distortion compensation device method: A distortion compensation device includes: a memory configured to store a first and second table, different addresses being assigned to the first and second table respectively, each of the addresses being related to a distortion compensation coefficient to compensate for a non-linear distortion, a first address in the first table... Agent: Fujitsu Limited
20140286455 - Method and apparatus of generating pilot sequence: A method of transmitting pilots id disclosed. The method of transmitting pilots includes transmitting pilots over N orthogonal frequency division multiplexing (OFDM) symbols, wherein a pilot at subcarrier k for OFDM symbol n is determined to have time varying characteristic, thereby to prevent the cause of spectral lines.... Agent:
20140286456 - Device and method for removing direct current offset using randomized control pulse: A device and method for solving problems of the prior art in which channel information as well as a DC offset is removed when removing the DC offset using a feedback signal of a baseband amplifier is provided. The device includes a DC offset correcting unit for removing the DC... Agent: Samsung-ro, Yeongtong-gu
20140286457 - Receiver circuit and method for controlling receiver circuit: A receiver circuit includes: a data interpolation switched capacitor circuit which samples a data signal and outputs a voltage value interpolated from a sampled voltage value in correspondence with an interpolation code indicating an interpolation ratio; a comparator which performs comparison between the voltage value outputted from the data interpolation... Agent: Fujitsu Limited
20140286461 - Communication system, communication device and communication method that can improve frequency use efficiency: A communication device receives a reception signal including at least a first reception signal and a second reception signal, where the first reception signal is a signal to be transmitted using a first set of subcarriers and the second reception signal is a signal to be transmitted using a second... Agent:
20140286459 - Multi-mode orthogonal frequency division multiplexing receiver for highly-spectrally-efficient communications: A receiver may comprise a sequence estimation circuit and operate in at least two modes. In a first mode, the sequence estimation circuit may process OFDM symbols received on a first number of data-carrying subcarriers to recover a number of mapped symbols per OFDM symbol that is greater than the... Agent: Magnacom Ltd.
20140286458 - Receiving apparatus and receiving method: An RF-LSI receives a first signal transmitted with a first system frequency and a second signal transmitted with a second system frequency. In the RF-LSI 50, a frequency converter 55 performs frequency conversion on the received first signal (i.e., a master-received signal) and the received second signal (i.e., a slave-received... Agent: Fujitsu Limited
20140286460 - Symbol detection for alleviating inter-symbol interference: A receiver is configured to perform symbol detection based on a total frequency domain received signal that comprises contribution from a block of time domain symbols. The receiver is configured to divide the block into plural sub-blocks, and for each sub-block to jointly detect the symbols of the sub-block while... Agent: Optis Cellular Technology, LLC
20140286462 - Reducing electromagnetic interference in a received signal: Disclosed are various embodiments for reducing the amount of electromagnetic interference (EMI) that may be present in a received signal. A frequency component for the received component is generated. An EMI frequency, an EMI phase, and an EMI amplitude present in the frequency component are tracked. Cancelling data is generated... Agent: Broadcom Corporation
20140286464 - Efficient method for determining a preferred antenna pattern: Aspects of the present disclosure propose a method for determining preferred transmit and receive antenna patterns of a wireless device with respect to another wireless device. The method generally includes determining the beamforming or calibrating coefficients corresponding to the preferred transmit and receive antenna patterns of a wireless device iteratively.... Agent:
20140286463 - Phase noise estimation for mimo communication: The system and method of the present disclosure exploit the fact that an undesired phase offset between signals up-converted and transmitted by transmitters of at least two transceivers is correlative with a phase offset between signals received and down-converted by receivers of the at least two transceivers. Such correlation occurs... Agent:
20140286465 - Wideband digital spectrometer: A processor, comprising a first data input configured to receive a stream of samples of a first signal having a spectral space, the stream having a data rate of at least 4 GHz; a second data input configured to receive a stream of samples of a second signal; a multitap... Agent: Hypres, Inc.
20140286466 - Multi-wire open-drain link with data symbol transition based clocking: A method, an apparatus, and a computer program product are described. The apparatus generates a receive clock signal for receiving data from a multi-wire open-drain link by determining a transition in a signal received from the multi-wire open-drain link, generating a clock pulse responsive to the transition, delaying the clock... Agent: Qualcomm Incorporated
20140286467 - Noise shaped interpolator and decimator apparatus and method: Interpolator and decimator apparatuses and methods are improved by the addition of an elastic storage element in the signal path. In one exemplary embodiment, the elastic element comprises a FIFO which advantageously allows short term variation in sample clocks to be absorbed, and also provides a feedback mechanism for controlling... Agent: Stmicroelectronics, N.v.
20140286468 - Method and apparatus for compensating for variable symbol timing using cyclic prefix in non-synchronized ofdm system: Disclosed are a method and apparatus for estimating symbol timing in a non-synchronized OFDM system. The present invention includes synchronizing a frame of a received signal, estimating the symbol timing of each symbol of the frame based on the synchronization, compensating for the symbol timing using a phase difference attributable... Agent: Electronics And Telecommunications Research Institute
20140286469 - Reception circuit and semiconductor integrated circuit: A burst mode CDR detects an edge from a data signal superimposed with a clock, and generates a recovered clock by means of a voltage controlled oscillator whose oscillation operation is reset based on a timing when the edge is detected. A phase adjustment unit adjusts the phase of a... Agent: Fujitsu Limited
20140286470 - Phase locked loop and clock and data recovery circuit: A clock and data recovery circuit includes: a first current source configured to supply a charge current through a first signal line; a second current source configured to supply a discharge current through a second signal line; a loop filter configured to convert the charge current into a first voltage... Agent: Sony Corporation09/18/2014 > 193 patent applications in 67 patent subcategories.
20140269841 - Ultra-wideband frequency position modulation using nonlinear compressed sensing: A Frequency Position Modulation system for encoding signals for transmission. A signal's discrete frequency support is used to represent symbols. The signal can be non-uniformly spread over many GHz of instantaneous bandwidth, resulting in a communications system that is resilient to interference and difficult to intercept. The FPM symbols are... Agent:
20140269842 - Low energy signaling scheme for beacon fencing applications: Systems, methods, and devices of the various embodiments provide modified frequency hopping patterns that enable synchronization of a wireless tracking device with a beacon signal that defines a predetermined area (i.e., beacon fence). In an embodiment, a beacon may transmit a beacon signal according to a modified frequency hopping pattern... Agent: Qualcomm Incorporated
20140269843 - Chirp spread spectrum system and method: A radio frequency communication system. The system includes a radio frequency transmitter and a radio frequency receiver, wherein the radio frequency transmitter includes a modulation circuit and an RF modulator, wherein the radio frequency transmitter maps each block of K information bits into a block of N transmit symbols, transforms... Agent: Digi International Inc.
20140269844 - Apparatus for correcting signal, transmission apparatus, method of correcting signal, and transmission system: An apparatus for correcting a signal, includes a correction value calculator that determines a transmission distance of a transmission path through which a timing signal is propagated, the timing signal having a periodically changing frequency, and determines a deviation between a frequency of the timing signal and a frequency of... Agent: Fujitsu Limited
20140269845 - Systems/methods of transmitting information via baseband waveforms comprising agility in frequency content and an orthogonality therebetween: Communications systems and/or methods are disclosed that may be used to convey information by forming, and then using, a plurality of frequency agile baseband waveforms, wherein any two different waveforms of the plurality of frequency agile baseband waveforms comprise an orthogonality therebetween. The systems/methods disclosed can convey information by mapping... Agent: Eices Research, Inc.
20140269846 - Receiver for use in an ultra-wideband communication system: In an ultra-wideband (“UWB”) receiver, a received UWB signal is periodically digitized as a series of ternary samples. The samples are continuously correlated with a predetermined preamble sequence to develop a correlation value. When the value exceeds a predetermined threshold, indicating that the preamble sequence is being received, estimates of... Agent: Decawave Limited
20140269849 - Method and apparatus for collecting and processing interference information: A system that incorporates the subject disclosure may perform, for example, a method for receiving interference information from each of the plurality of communication devices detecting interference information in a plurality of segments of a radio frequency spectrum, correlating the interference information of the plurality of communication devices to generate... Agent: Isco International, LLC
20140269850 - Method and apparatus for mitigating signal interference in a feedback system: A system that incorporates the subject disclosure may include, for example, a process that includes adjusting a filter in electrical communication between an input terminal and a demodulator. The filter is applied to an information bearing signal, e.g., to mitigate interference, received at the input terminal, resulting in a filtered... Agent: Isco International, LLC
20140269848 - Spread-spectrum apparatus for voltage regulator: Described is an apparatus for providing spread-spectrum to a clock signal. The apparatus comprises: an oscillator to generate an output clock signal, the oscillator to receive an adjustable reference signal to adjust frequency of the output clock signal; a first circuit to provide a first signal indicative of a center... Agent:
20140269847 - Symbol-level equalization using multiple spreading factors: Techniques are described herein that perform symbol-level equalization using multiple spreading factors. The techniques may allow for symbol-level equalization to be performed between a serving cell and a non-serving cell(s) for WCDMA and HSDPA protocols, for example. A serving cell operates using a first spreading factor, and a non-serving cell(s)... Agent: Broadcom Corporation
20140269851 - Systems, methods, and devices for improving signal detection in communication systems: Systems, devices, and methods to improve signal detection of a receiver in communication systems, including receiving a signal having one or more distorted versions of a predetermined waveform as well as processing the received signal with a plurality of eigenfilters generated from eigenvectors of a covariance matrix of the predetermined... Agent: Motorola Solutions, Inc.
20140269860 - Adaptive line equalizer for improving data communication over less than perfect power lines or transmission lines: Systems and methods for improving data communication over less than perfect power lines or transmission lines are described. The systems and methods allow for pushing out electrically any null within a frequency range of interest and/or for lossless transmission by providing impedance matching between communication devices and the transmission line.... Agent: Dockon Ag
20140269857 - Adaptive non-linear interference cancellation for intermodulation distortion: A wireless communication device including two or more aggressor transmitters and a victim receiver that is adversely affected by intermodulation distortion (IMD) components associated with the signals transmitted by the two or more aggressor transmitters. Because the aggressor transmitters and the victim receiver are located on the same device, the... Agent:
20140269861 - Constellation map optimization for highly spectrally efficient communications: A method and system for optimizing symbol mapping in partial response based communications that are based on use of pulse-shaping that incorporates a predetermined amount of inter-symbol interference (ISI). Optimizing symbol mapping symbol mapping may comprise configuring optimized constellation mapping for use in mapping and/or de-mapping data communicated using the... Agent: Magnacom Ltd.
20140269852 - Radio frequency transmitter noise cancellation: Transmitter noise cancellation may be applied on a channel by channel basis to active channels of an incoming radio frequency signal received at a receiver. A noise cancellation filter may be provided for each active channel in a predetermined signal band. Applying noise cancellation on a per active channel basis... Agent: Analog Devices Technology
20140269859 - Remote unit for communicating with base stations and terminal devices: A remote unit of a distributed antenna system is disclosed that can communicate analog RF signals with both base stations and terminal devices in a coverage zone serviced by the remote unit. In some aspects, the remote unit can include a signal processing module and a transceiver. The transceiver can... Agent: Andrew LLC
20140269853 - Reusing a single-chip carrier aggregation receiver to support non-cellular diversity: A wireless communication device configured for receiving multiple signals is described. The wireless communication device includes a single-chip carrier aggregation receiver architecture. The single-chip carrier aggregation receiver architecture includes a first antenna, a second antenna, a third antenna, a fourth antenna and a transceiver chip. The transceiver chip includes multiple... Agent: Qualcomm Incorporated
20140269856 - Rf puck: An RF module including transmitting, receiving, and processing elements, capable of operating in a standalone mode or as part of an array of similar or identical modules. The RF module includes a radiator (205), transmit-receive circuitry (165), a digital receiver-exciter (160), a processor (100), and a data interface (150). The... Agent: Raytheon Company
20140269854 - Systems and methods for serial communication: This disclosure includes a point-to-point two-lineserial interface (TSI) suitable for use in a wireless communications device as well as in other applications. The TSI may employ a protocol providing multiple frame formats to achieve delivery of one type of message with a reduced latency and other messages at increased latencies.... Agent: Qualcomm Incorporated
20140269855 - Transmitter and receiver: A multicarrier transmitter has a first mode, in which the transmitter is configured to transmit a first component carrier signal modulated onto a first carrier by using a first LO signal, and a second mode, in which the transmitter is configured to transmit the first component carrier signal modulated onto... Agent:
20140269858 - Transmitter noise cancellation in a multi transmitter-receiver system: In a multi transmitter-receiver system, transmitter noise cancellation may be applied selectively for certain transmitters by exploiting asymmetries of the system. Hence, observation receiver(s) numbering less than the number of transmitters may be provided saving space and cost. Each observation receiver may selectively couple to a transmitter path and estimate... Agent: Analog Devices Technology
20140269862 - Wireless antenna system: A wireless antenna system for a terminal comprises an antenna structure and frontend ports for connecting to transmit and/or receive circuitry of the terminal. The antenna system is operable in a first radiation mode and a second radiation mode, wherein the modes are orthogonal. The circuitry is arranged to map... Agent: Option Nv
20140269864 - Transmit leakage cancellation: A transceiver for reducing transmit signal leakage is described. The transceiver includes a downconverter that downconverts a receive signal to produce a feedback signal. The transceiver also includes a weight learning module that correlates the feedback signal with a transmit signal to obtain a weight. The transceiver further includes a... Agent: Qualcomm Incorporated
20140269863 - Transmitter lo leakage calibration scheme using loopback circuitry: A method and apparatus for estimating and compensating TX LO leakage using circuitry on a loopback path connecting the transmitter and receiver are provided. The TX LO leakage may be estimated by measuring the DC signal on the receiver, measuring the phase difference between the received LO signal and the... Agent: Analog Devices, Inc.
20140269865 - Analog baseband interface between transceiver and modem: A wireless device for interfacing between a transceiver and a modem is described. The wireless device includes the transceiver. The transceiver generates a combined signal. The combined signal includes a first signal band from a first received signal and a second signal band from a second received signal at offset... Agent: Qualcomm Incorporated
20140269868 - Adaptive filter bank for dynamic notching in powerline communication: An adaptive filter bank can be implemented on a PLC device to dynamically adapt to variations in notching requirements and the performance of the PLC medium. The PLC device can apply filter coefficients to one or more filter elements of the adaptive filter bank to generate one or more notched... Agent: Qualcomm Incorporated
20140269866 - Apparatus and methods for loss of signal detection: Apparatus and methods for loss of signal detection are provided. In one embodiment, a detection circuit for monitoring an input includes a small signal boost circuit, a rectifier circuit, a low-pass filter, and one or more comparators. The small signal boost circuit can generate an amplified signal by providing a... Agent: Analog Devices, Inc.
20140269867 - Burst triggered signal analysis: An apparatus can include a detector configured to detect a burst event for a selected frequency of a digital input signal having a predetermined bandwidth. The detector can provide a burst trigger, in response to detecting the burst event relative to a threshold, and provide other burst data for the... Agent: Cisco Technology, Inc.
20140269869 - Method using equalization data to determine defects in a cable plant: A method of estimating a defect location within a network is provided. Information of pre-equalization coefficients of an adaptive pre-equalizer of a terminal network element on the network is received. A total amount of equalization applied by a negative delay portion of the adaptive pre-equalizer relative to a main tap... Agent: General Instrument Corporation
20140269870 - System and method for testing a radio frequency multiple-input multiple-output data packet transceiver while forcing fewer data streams: In accordance with the presently claimed invention, a system and method are provided for testing multiple-input, multiple-output wireless radiofrequency (RF) packet data signal transceivers while operating in such ways as to communicate their signals using various combinations or permutations of packet data streams without requiring termination or re-establishment of communication... Agent:
20140269871 - System and method for testing radio frequency wireless signal transceivers using wireless test signals: A method of facilitating wireless testing of multiple radio frequency (RF) signal transceiver devices under test (DUTs). Using multiple antennas within a shielded enclosure containing the DUTs, multiple wireless RF test signals radiated to the DUTs can have their respective signal phases controlled to maximize the direct-coupled signals to their... Agent:
20140269872 - Receiver circuit, semiconductor integrated circuit, and test method: A receiver circuit includes a CDR circuit, a jitter generator unit, a test pattern generator unit, and a comparator unit. The jitter generator unit generates jitter having first characteristics (frequency and amplitude). The test pattern generator unit generates a test pattern to which the jitter is added, and supplies the... Agent: Fujitsu Semiconductor Limited
20140269873 - Adjusting multi-carrier modulation and transmission power properties: A tone map includes physical layer transmission properties for a multi-carrier communications channel. The physical layer transmission properties indicate modulation mode and transmission power to be used on one or more frequencies (i.e. “tones”). The transmission power may be reduced on a first frequency having a high signal-to-noise ratio (SNR)... Agent: Qualcomm Incorporated
20140269876 - Detecting faults affecting communications links: A modem or associated computing or testing device is configured to detect the presence of one or more faults that affect DSL communications, and upon their detection, generate, for example, an indication, communication or message that recommends corrective action. In this context, a fault is generally caused by one or... Agent: Aware, Inc.
20140269875 - Systems, methods, and devices for electronic spectrum management: Systems, methods, and devices enable spectrum management by identifying, classifying, and cataloging signals of interest based on radio frequency measurements. In an embodiment, signals and the parameters of the signals may be identified and indications of available frequencies may be presented to a user. In another embodiment, the protocols of... Agent:
20140269874 - Variable line cycle adaptation for powerline communications: Line cycle adaptation periods having variable duration are disclosed. A powerline cycle may be segmented into a plurality of line cycle adaptation periods having variable duration based upon signal-to-noise (SNR) characteristics measured at various times throughout the powerline cycle. The line cycle adaptation periods may include at least two periods... Agent: Qualcomm Incorporated
20140269877 - Systems, methods, and devices for electronic spectrum management: Systems, methods, and devices enable spectrum management by identifying, classifying, and cataloging signals of interest based on radio frequency measurements. In an embodiment, signals and the parameters of the signals may be identified and indications of available frequencies may be presented to a user. In another embodiment, the protocols of... Agent: Dgs Global Systems, Inc.
20140269879 - Digital transmitter: An equalizer provided in a digital transmitter compensates for attenuation in a signal channel to a digital receiver. The equalizer generates signal levels as a logical function of bit history to emphasize transition signal levels relative to repeated signal levels. The preferred equalizer includes an FIR transition filter using a... Agent: Massachusetts Institute Of Technology
20140269878 - Wireless communication system with signal processing mechanism and method of operation thereof: A method of operation of a wireless communication system includes: receiving a received signal; generating concurrently a first modulation data and a second modulation data from the received signal; calculating an error energy for the first modulation data and the second modulation data; and removing a residual Direct Current (DC)... Agent: Samsung Electronics Co., Ltd.
20140269881 - Adaptive backchannel equalization: Techniques for adaptive backchannel equalization. A total equalization value is determined over a preselected training period. A total balance equalization value is determined over the preselected training period. A transmitter equalization coefficient is determined based on the total equalization value and the total balance equalization value. Data is transmitted over... Agent:
20140269880 - Communication system and method using subspace interference cancellation: A receiver performs interference mitigation under blind or semi-blind conditions using diversity present in the signal of interest or in the interferer. A first path interference mitigation procedure extracts training information from received signals, performs interference mitigation on the training information and estimates the channel. The second path interference mitigation... Agent:
20140269882 - Block time domain channel estimation in ofdm system: An OFDM receiver receives OFDM symbols in the frequency domain and comb filters and then punctures the OFDM symbols to leave symbols with actual pilot information and with null values at the data symbols. The receiver provides the punctured OFDM symbols to an OFDM symbol queue. A virtual pilot interpolator... Agent:
20140269887 - Equalizer and detector arrangement employing joint entropy-based calibration: An equalizer configured to receive a data signal from a channel. The detector is coupled to the equalizer, and a calibration unit is coupled with the equalizer and the detector. The calibration unit is configured to jointly calibrate the equalizer and the detector using a metric subject to an entropy-preserving... Agent: Seagate Technology LLC
20140269885 - Method for reducing equalizer complexity in communication links: The present invention relates to a method of reducing equalizer complexity in communication systems, which also provides for reduced power dissipation. The method consists of reducing the number of channel responses expected by the equalizer by averaging sub-groups of all of the possible the channel responses chosen in a particular... Agent:
20140269884 - Method, apparatus, and system for sliding matrix scoreboard utilized in auto feedback closed loops: Requests are identified for equalization coefficients and a plurality of coefficient selections are tracked relating to the requests. A matrix is maintained within a grid space that is to represent the coefficients, the matrix representing one or more of the coefficient selections. The matric is adjusted within the grid space... Agent:
20140269883 - Non-linear time domain channel estimation in ofdm systems: An OFDM receiver generates an initial channel impulse response in response to a received OFDM signal. The receiver determines the time span within the initial channel impulse response in which significant paths are present. An intermediate channel impulse response estimator identifies paths within the initial channel impulse response and generates... Agent:
20140269886 - Wireless power transfer in-band communication system: A wireless charging in-band communication system includes a channel encoding for message error correction and detection. A modulation module performs biphase modulation for DC balanced signals and impedance switching to change reflected impedance seen by the source. A synchronization module prepends the message with a synchronization sequence having Golay complementary... Agent:
20140269888 - Adaptive continuous time linear equalizer: An apparatus comprising an equalizer circuit, a converter circuit and an adaptation circuit. The equalizer circuit may be configured to generate an intermediate signal in response to an input signal and a gradient value. The converter circuit may be configured to generate a digital signal comprising a plurality of symbol... Agent: Lsi Corporation
20140269891 - Combined turbo decoding and turbo equalization techniques: Techniques are disclosed for turbo decoding orthogonal frequency division multiplexing OFDM symbols. Techniques for combined turbo decoding and equalization are disclosed. The disclosed techniques can be implemented in receivers that receive wired or wireless OFDM signals and produce data and control bits by decoding the received signals.... Agent:
20140269890 - Digital equalizer adaptation using on-die instrument: Systems and methods are provided for adjusting gain of a receiver. Adaptation circuitry is operable to identify, based on a matrix representation of a receiver's output generated from horizontal and vertical sweeps of the receiver's output, an eye opening of the receiver's output. The adaptation circuitry is also operable to... Agent: Altera Corporation
20140269889 - Power and area efficient receiver equalization architecture with relaxed dfe timing constraint: An exemplary receiver equalizer includes a first decision feedback equalizer (DFE) sampler coupled to a summer, the first DFE to latch an equalized output of the summer. The first branch includes a second DFE sampler coupled to the first DFE sampler, the second DFE to latch an output of the... Agent:
20140269892 - Apparatus and method for a digital transmitter architecture with outphasing power amplifier: System and method embodiments are provided for improving power efficiency in an outphasing amplifier with a non-isolating combiner. Some embodiments include a circuit comprising a signal decomposer configured to receive an input signal, a non-isolating combiner coupled to the signal decomposer and configured to provide an amplified output signal corresponding... Agent: Futurewei Technologies, Inc.
20140269893 - Generating a plurality of streams: A device can include a stream builder configured to encode media data at a plurality of different coding rates and to generate a plurality of streams encapsulating the encoded media data. Each of the plurality of streams can have an associated protection level that corresponds to an ability of packet... Agent: Hbc Solutions, Inc.
20140269894 - Method and a system for a receiver design in bandwidth constrained communication systems: The present invention relates to a method of improving the performance in bandwidth constrained communication systems while reducing the complexity of the equalizer used for information retrieval, as well as to improving the capacity of communication systems. The said properties are achieved by appropriate information encoding, prior to signal shaping... Agent:
20140269895 - Integrated downscale in video core: Implementations include video image processing systems, methods, and apparatus for integrated video downscale in a video core. The downscaler computes and writes a display frame to an external memory. This frame may have the same resolution as a target display device (e.g., mobile device). The target display device then reads... Agent: Qualcomm Incorporated
20140269897 - Adaptive sampling filter process for scalable video coding: A sampling filter process is provided for scalable video coding. The process provides for re-sampling using video data obtained from an encoder or decoder process of a base layer (BL) in a multi-layer system using adaptive phase shifting to improve quality. Examples of a multi-layer encoder or decoder process are... Agent: General Instrument Corporation
20140269900 - Encoding and decoding an image or image sequence divided into pixel blocks: A method and apparatus are provided for coding an image or a sequence of images, generating a data stream including data representative of pixel groups, referred to as blocks, in one of the images. The method includes: grouping blocks in a cluster of blocks according to the proximity of their... Agent: France Telecom
20140269899 - Image coding method and device for buffer management of decoder, and image decoding method and device: Provided are methods and apparatuses for encoding and decoding an image. The method of encoding includes: determining a maximum size of a buffer to decode each image frame by a decoder, a number of image frames to be reordered, and latency information of an image frame having a largest difference... Agent: Samsung Electronics Co., Ltd.
20140269896 - Multi-frame compression: A system and method for compressing data is provided. An embodiment comprises building an adaptive global codebook for each scene in a sequence of video frames. Each frame in the sequence of frames is encoded based on a different encoding order that facilitates an efficient codebook update. Context models for... Agent: Futurewei Technologies, Inc.
20140269898 - Simplifications on disparity vector derivation and motion vector prediction in 3d video coding: A video coder can be configured to perform texture first coding for a first texture view, a first depth view, a second texture view, and a second depth view; for a macroblock of the second texture view, locate a depth block of the first depth view that corresponds to the... Agent: Qualcomm Incorporated
20140269902 - Apparatuses and methods for providing quantized coefficients for video encoding: Apparatuses and methods for optimizing rate-distortion costs in a signal are disclosed herein. An apparatus may comprise a quantization block that may be configured to serially receive a plurality of coefficients and to generate a plurality of candidates for each of a plurality of coefficients. The quantization block may further... Agent: Magnum Semiconductor, Inc.
20140269901 - Method and apparatus for perceptual macroblock quantization parameter decision to improve subjective visual quality of a video signal: Examples of methods and apparatuses for improving subjective video quality of a video signal are described herein. An example apparatus may include an encoder. The encoder may be configured to receive a video signal and to generate a saliency score for a macroblock of the video signal. The encoder may... Agent: Magnum Semiconductor, Inc.
20140269907 - Method and apparatus for signal encoding realizing optimal fidelity: Methods of optimal encoding of signals to be compatible with characteristics of target receivers while meeting constraints pertinent to sizes of encoded signals or capacities of paths communicating signals to the target receivers are disclosed. The methods are based on analytical modeling of the encoding process guided by experimental data... Agent: Ecole De Technologie Superieure
20140269903 - Method of bit allocation for image & video compression using perceptual guidance: A video processing system is provided to create quantization data parameters based on human eye attraction to provide to an encoder to enable the encoder to compress data taking into account the human perceptual guidance. The system includes a perceptual video processor (PVP) to generate a perceptual significance pixel map... Agent: General Instrument Corporation
20140269909 - Method of deriving motion information: Provided is a method extracts a merge index from a bit stream, constructs a merge candidate list using available spatial and temporal merge candidates, selects a merge predictor among merge candidates using the merge index, and sets motion information of the merge predictor as motion information of the current prediction... Agent:
20140269908 - Method of generating quantized block: Provided is a method that derives an intra prediction mode of a prediction unit, selects an inverse scan pattern of a current transform unit among a diagonal scan, a vertical scan and a horizontal scan based on the intra prediction mode and a size of the transform unit, and generates... Agent:
20140269906 - Moving image encoding apparatus, method for controlling the same and image capturing apparatus: There is provided a moving image encoding apparatus configured to perform encoding using motion compensation and quantization. A first dividing unit divides a coding target image into a plurality of first block images. A second dividing unit divides the first block image into a plurality of second block images. A... Agent: Canon Kabushiki Kaisha
20140269905 - Rate control method and system: An example method to perform rate control in a parallel encoding system including a plurality of parallel encoders is disclosed. The method may comprise determining a quantization parameter for one of the plurality of parallel encoders based on a measure of parallelism of the plurality of parallel encoders. The method... Agent: Quanta Computer, Inc.
20140269904 - Vc-2 decoding using parallel decoding paths: Methods, devices and systems that perform VC-2 decoding are disclosed. In an embodiment, a VC-2 decoder includes three parallel data paths including top-band, current-band and bottom-band data paths. The top-band data path performs variable length decoding (VLD), inverse-quantization (IQ) and inverse-DC-prediction (IDCP) processing of a top compressed data-band. The current-band... Agent: Intersil Americas LLC
20140269910 - Method and apparatus for user guided pre-filtering: A method and apparatus for user guided pre-filtering of video content comprising modifying one or more parameters of a pre-filter coupled to a video encoder based on feedback from a user of a device displaying the video content, applying the pre-filter to video content based on the modified parameters and... Agent: Sri International
20140269911 - Batch compression of photos: Embodiments are provided for batch compression of photos. In some embodiments, first and second images are selected, each image comprising a plurality of individual blocks and each individual block is defined by at least one matrix whose values are indicative of pixel data within the individual block. For each individual... Agent: Dropbox Inc.
20140269915 - Method and apparatus for encoding/decoding image: A method for decoding an image, according to the present invention, comprises the steps of: receiving image information that corresponds to a block to be decoded; performing entropy-decoding with respect to the image information that is received; deciding a transform skip mode of the block to be decoded from a... Agent: Kt Corporation
20140269913 - Method and apparatus for loop filtering: A method and apparatus for loop processing of reconstructed video in an encoder system are disclosed. The loop processing comprises an in-loop filter and one or more adaptive filters. The filter parameters for the adaptive filter are derived from the pre-in-loop video data so that the adaptive filter processing can... Agent:
20140269914 - Method and apparatus of deriving intra predicion mode: Provided is a method that constructs an MPM group including three intra prediction modes, determines the intra prediction mode of the MPM group specified by the prediction mode index as the intra prediction mode of the current prediction unit if the mode group indicator indicates the MPM group, and derives... Agent: Infobridge Pte. Ltd.
20140269912 - Resampling and picture resizing operations for multi-resolution video coding and decoding: Techniques and tools for high accuracy position calculation for picture resizing in applications such as spatially-scalable video coding and decoding are described. In one aspect, resampling of a video picture is performed according to a resampling scale factor. The resampling comprises computation of a sample value at a position i,j... Agent: Microsoft Corporation
20140269916 - Method and apparatus for video encoding/decoding using improved merge: A video encoding apparatus includes an inter predictor to check for availability of merge candidates configured from neighboring blocks of a current block, add into a merge candidate set, as one of the merge candidates, a combined bi-predictive motion parameter with respect to an unavailable block, the combined bi-predictive motion... Agent: Sk Telecom Co., Ltd.
20140269918 - Client side frame prediction for video streams with skipped frames: A method for delivering video over a network includes encoding, by a server, a sequence of video frames as a compressed video stream comprising an initial I-frame followed by a plurality P-frames, the sequence having a skipped frame which is not encoded. The compressed video stream is transmitted over a... Agent: Ol2, Inc.
20140269925 - Encoding and decoding an image or image sequence divided into pixel blocks: A method and apparatus are provided for coding an image or a sequence of images, generating a data stream including data representative of pixel groups, referred to as blocks, in one of the images. The method includes: grouping blocks in a cluster of blocks according to the proximity of their... Agent: France Telecom
20140269922 - Encoding apparatus, encoding method, and computer product: An encoding apparatus includes a processor that calculates and stores, an evaluation value for each candidate vector, based on a given block to be encoded among blocks formed by dividing an image, and a reference block on a reference image represented by each candidate vector that is a candidate motion... Agent: Fujitsu Limited
20140269921 - Method and apparatus for determining motion between video images: Systems and methods of determining motion vectors, such as for video encoding, are disclosed. In one example, motion vectors are determined for a current frame, using sampled pixel information from a reference frame. Sampled pixel information is obtained using a sampling pattern. The sampling pattern, in one example, includes subsampling... Agent: Imagination Technologies Limited
20140269926 - Method of decoding video data: Provided is a method derives a reference picture index and a motion vector of a current prediction unit, generates a prediction block of the current prediction unit using the reference picture index and the motion vector, generating a residual block by inverse-scan, inverse-quantization and inverse transform, and generates reconstructed pixels... Agent:
20140269923 - Method of stabilizing video, post-processing circuit and video decoder including the same: To stabilize video (an image sequence), reconstructed block data and decoding information of a video frame are received by unit of macroblock from a decoding circuit. Global affine parameters are determined and provided based on the reconstructed block data and the decoding information, and the global affine parameters represent an... Agent:
20140269924 - Methods and apparatuses for encoding and decoding video: Provided are methods and apparatuses for performing motion estimation encoding and decoding on a video. A method of encoding a video includes splitting a picture by using a maximum coding unit; splitting the maximum coding unit into prediction units, according to a split mode indicating a split form of the... Agent: Samsung Electronics Co., Ltd.
20140269920 - Motion estimation guidance in transcoding operation: In one embodiment, a transcoding system, comprising: a memory encoded with logic; and a processor configured to execute the logic to, dependent on a defined operation of the system, either perform a first set of steps of a motion estimation operation using one or more reference pictures of a picture... Agent:
20140269917 - Recovery from packet loss during transmission of compressed video streams: A method for delivering video over a network includes encoding, by a hosting service, a moving picture which includes a sequence of video frames as a primary compressed video stream and a secondary compressed video stream comprising a subset of the primary compressed video stream. The primary and secondary compressed... Agent: Ol2, Inc.
20140269919 - Systems and methods for guided conversion of video from a first to a second compression format: Converting video information from a first compression format to a second compression format, including receiving data for a sequence of pictures in the first compression format, the received data including a video stream corresponding to a video program and including for a picture that is inter coded motion vectors and... Agent:
20140269928 - Method and apparatus for determining a context model for transform coefficient level entropy encoding and decoding: Provided are a method and apparatus for determining a context model for entropy encoding and decoding of a transformation coefficient. According to the method and apparatus, a context set index ctxset is obtained based on color component information of a transformation unit, a location of a current subset, and whether... Agent: Samsung Electronics Co., Ltd.
20140269927 - Systems, methods, and media for transcoding video data using metadata: Methods, systems, and computer readable media for transcoding video data based on metadata are provided. In some embodiments, methods for transcoding video data using metadata are provided, the methods comprising: receiving a first plurality of encoded images from a storage device; decoding the first plurality of encoded images based on... Agent: Sonic Ip, Inc.
20140269929 - Byte alignment device and byte alignment method: Byte alignment on a bit stream includes replacing adjustment coefficient sequences, that are high-frequency components within quantized block coefficient sequences with predetermined base coefficient sequences. A bit quantity that is to be increased for byte alignment is calculated based on code amount of a bit stream that has been acquired... Agent: Gnzo Inc.
20140269930 - Efficient compositing of multiple video transmissions into a single session: A plurality of different video transmissions may be sent over a network in a reduced definition mode which may be encoded on macroblock domains. The reduced definition video transmissions may be assembled into a composite having numerous thumbnails of reduced definition video transmissions on macroblock boundaries, without decoding the reduced... Agent: Comcast Cable Communications, LLC
20140269931 - Method and system to improve the transport of compressed video data: A method comprises determining a plurality of time intervals Tp and Tn within a variable bit rate (VBR) representation of an image sequence. The time intervals Tp are those in which a number of blocks of information per unit time is greater than a baseline value. The time intervals Tn... Agent: At&t Intellectual Property I, L.p.
20140269932 - Codec techniques for fast switching: A video streaming method for transitioning between multiple sequences of coded video data may include receiving and decoding transmission units from a first sequence of coded video data. In response to a request to transition to a second sequence of coded video data, the method may determine whether a time... Agent:
20140269935 - System and method for transmission, processing, and rendering of stereoscopic and multi-view images: A digital image processing system takes color plus Z channel data as input, preprocesses, decimates, and codes the Z channel in-band as digital watermark data embedded within the color data prior to encoding and transmission. A second digital image processing system receives, decodes, and extracts the decimated Z channel data... Agent: SpinellaIPHoldings, Inc.
20140269934 - Video coding system with multiple scalability and method of operation thereof: A method of operation of a video coding system includes: receiving a video bitstream; extracting a video syntax from the video bitstream; extracting a high efficiency video coding (HEVC) extension flag from the video syntax; extracting a video usability information (VUI) extension layer structure from the video syntax based on... Agent: Sony Corporation
20140269933 - Video synchronization techniques using projection: Examples of video synchronization techniques are described. Example synchronization techniques may utilize projection on convex spaces (POCS). The use of POCS may reduce complexity and may speed up synchronization in some examples. Projection on convex spaces generally involves projection (e.g. through summation, averaging, and/or quantization) of samples corresponding to a... Agent: Magnum Semiconductor, Inc.
20140269939 - Device and method for scalable coding of video information: An apparatus configured to code video information comprises a memory unit and a processor in communication with the memory unit. The memory unit is configured to store video information associated with a reference layer (RL) and an enhancement layer (EL). The EL comprises an EL video unit and the RL... Agent: Qualcomm Incorporated
20140269941 - Encoding device and method, decoding device and method, editing device and method, recording medium, and program: The present invention relates to an encoding device and a method, a decoding device and a method, an editing device and a method, a storage medium, and a program which can perform encoding and decoding so that buffer failure does not occur. Information, such as a minimum bit rate, a... Agent: Sony Corporation
20140269938 - Method for decreasing the bit rate needed to transmit videos over a network by dropping video frames: An aspect of the disclosure is directed to transmitting a reduced stream of encoded video frames. An original stream of encoded video frames is analyzed, a plurality of frames are removed without re-encoding encoded video frames to generate the reduced stream of encoded video frames, and the reduced stream and... Agent: Qualcomm Incorporated
20140269940 - Picture delimiter in scalable video coding: The use of a picture delimiter that is contained in a NAL unit type value that is reserved in the current AVC or SVC specification. The present invention provides the scalability information for the H.264/AVC base layer in such a manner that bitstreams remain decodable with H.264/AVC decoders. In addition,... Agent: Nokia Corporation
20140269937 - Systems and methods for multiple stream encoded digital video: The digital video communications device includes a scalable video coding (SVC) controller including an encoder and associated block equalizer. The encoder is configured to receive digital video, and encode received digital video into a plurality of related streams including a base layer having a first modulation type, and scaled enhancement... Agent: Harris Corporation
20140269936 - Use of objective quality measures of streamed content to reduce streaming bandwidth: A method includes encoding video at a first bitrate to produce first encoded sections, and at a second bitrate that is less than the first bitrate to produce second encoded sections. The method further includes measuring levels of objective quality, indicative of perceptual quality, of the first and second encoded... Agent: Sonic Ip, Inc.
20140269942 - Concurrent decompression of multiple video streams with constrained decompression resources: A method and system for gracefully reducing demands for shared decompression resources required to present multiple video streams concurrently such that their streaming video content is simultaneously available for further processing or display. In particular, it relates to the use of presentation time stamps for incoming frames with reference to... Agent: Jupiter Systems
20140269944 - Method and apparatus for vision and network guided prefiltering: A method for modifying bit-rate comprising receiving bandwidth information about a network, modifying one or more parameters of a pre-filter coupled to a video encoder based on the received bandwidth information, applying the pre-filter to video content based on the modified parameters and encoding the pre-filtered video content to have... Agent: Sri International
20140269943 - Selective perceptual masking via downsampling in the spatial and temporal domains using intrinsic images for use in data compression: An automated, computerized method for processing a video is provided. The method includes providing a video file depicting a video, in a computer memory; generating an intrinsic video corresponding to the video; filtering the intrinsic video to provide a filtered intrinsic video; and compressing the filtered intrinsic video to provide... Agent: Tandent Vision Science, Inc.
20140269945 - Enhanced mobile device audio performance: A mobile device includes a processing device that converts a digital input signal to an analog output signal and a memory device that stores a plurality of gain tables, each including values associated with processing the digital input signal. The mobile device further includes at least one filter and at... Agent: Cellco Partnership (d/b/a Verizon Wireless)
20140269946 - System and method for a baseband nearfield magnetic stripe data transmitter: A system for a baseband near field magnetic stripe data transmitter includes a mobile phone and a magnetic stripe transmission (MST) device. The mobile phone transmits a stream of pulses including magnetic stripe data of a payment card. The magnetic stripe transmission (MST) device includes a wave shaper, a driver... Agent:
20140269948 - Method and apparatus for multi-carrier modulation (mcm) packet detection based on phase differences: A method is disclosed for detecting packet at a receiving system in a Multi-Carrier Modulation (MCM) system. The method starts with receiving a signal at the receiving system. Then a deviation value of the signal is computed, where the deviation value is computed at least partially based on phase differences... Agent: Echelon Corporation
20140269949 - Method and apparatus for phase-based multi-carrier modulation (mcm) packet detection: A method is disclosed for detecting packet at a receiving system in a Multi-Carrier Modulation (MCM) system. The method starts with receiving a signal at the receiving system. Then during the plurality of symbol durations, a set of phases of the signal for each symbol duration is obtained, where each... Agent: Echelon Corporation
20140269947 - Method and device for reducing vectoring-enhanced noise in copper telephone loops: A method and a corresponding device for reducing enhanced noise generated as a result of applying vectoring to signals transmitted and subsequently received over a plurality of copper telephone loops involve receiving a set of intermediate values, which correspond to estimates of the transmitted signals. The intermediate values are generated... Agent: Telebyte, Inc.
20140269951 - Portable audio networking system: A portable audio networking system is provided that includes master devices and slave devices in communication over cables adapted to simultaneously transport a digital audio signal, DC power, and a data signal. Master devices are configured to receive a digital audio signal, distribute power, and transceive a data signal, and... Agent:
20140269950 - Power line communication device that is resilient to cross-band interference: A Power Line Communication (PLC) device that is resilient to cross-band interference. The PLC device is configured to communicate on AC power wiring in the frequency range of 9 kilohertz to 500 kilohertz and does not use automatic gain control prior to analog-to-digital conversion. The PLC device includes an over-sampled... Agent:
20140269953 - Power line communication system: A disclosed PLC system includes a PLC modem electrically connected to a transmission medium that transmits or carries medium or high voltage without electrical isolation. The PLC system further includes a voltage divider that draws power from the transmission medium to the PLC modem, thereby eliminating a need of a... Agent: Itron, Inc.
20140269952 - Powerline communication adapter for powerline communication systems: A powerline communication adapter may couple powerline communication signals between a network device and a powerline communication network. The powerline communication adapter may comprise of a first electrical connector including an electrical socket and a second electrical connector including an electrical plug. The powerline communication adapter may include a coupling... Agent: Qualcomm Incorporated
20140269954 - Methods and apparatus for scrambling symbols over multi-lane serial interfaces: Methods and apparatus for scrambling symbols over multi-lane serial interfaces in order to improve undesired electromagnetic emissions. In one embodiment the scrambling is based on a seed value associated with each lane. In a second embodiment, the scrambling values are selected from various taps of a scrambling component, where the... Agent: Apple, Inc.
20140269955 - System and method for estimating an amplifier operating point using measurements at a receiver: An apparatus includes a receiver component, a first signal processing component and a second signal processing component. The receiver component can receive a transmission signal, wherein the received transmission signal reflects an encoded and modulated initial source signal, amplified via a source transmitter, and transmitted over one or more channels... Agent: Hughes Network Systems, LLC
20140269957 - Dynamic bandwidth allocation in ofdm communication systems: Various embodiments of a mechanism of dynamic allocation of bandplan are provided. In one aspect, a communication device utilizes a bandplan during initialization in a digital communication system. The communication device modifies the bandplan after one or more channel estimations to optimize data rates of communications in a downstream direction... Agent: Metanoia Communications Inc.
20140269956 - Efficient noise canceling circuit for receivers: The disclosed embodiments provide a system that tracks and compensates for input signal noise at a receiver of a data communication channel. In particular embodiments, the receiver of the data communication link receives an input signal which comprises two signal levels. Next, for each of the two signal levels, the... Agent:
20140269958 - Uplink power control for distributed wireless communication: A method and apparatus for power control for distributed wireless communication is disclosed including one or more power control loops associated with a wireless transmit/receive unit (WTRU). Each power control loop may include open loop power control or closed loop power control. A multi-phase power control method is also disclosed... Agent: Interdigital Patent Holdings, Inc.
20140269959 - Apparatus and method for symbol mapping in wireless communication system using multi tone frequency quadrature amplitude modulation: A method of operating a base station in a wireless communication system supporting Frequency-Quadrature Amplitude Modulation (FQAM) and Multi-Tone FQAM (MT-FQAM) is provided. The method includes determining a modulation scheme of data to be transmitted, and modulating the data according to the determined modulation scheme, wherein if at least one... Agent: Samsung Electronics Co., Ltd.
20140269960 - Transmitting method, receiving method, transmitter and receiver: D-dimensional vectors that each have D real-valued symbols as elements are converted into D-dimensional rotated vectors that each have D real symbols as elements. The conversion is performed by multiplying each of the D-dimensional vectors by a D×D orthogonal matrix. A complex symbol sequence including NC=NS/2 complex symbols is generated... Agent:
20140269966 - Distributed antenna system for mimo communications: A method and apparatus for determining placement of a plurality of antennas of a distributed antenna system for handling MIMO signals includes, at a first location, simulating the communication of a first MIMO signal by a first remote unit over an air interface in an environment and, at a second... Agent: Andrew LLC
20140269963 - Diversity reception and transmission in lte communication systems: A communication system is disclosed that includes a communication transmitter that converts various information signals that collectively occupy a large signal bandwidth into various signals that individually occupy small signal bandwidths for transmission to a communication receiver. The communication receiver converts these various signals that individually occupy the small signal... Agent: Broadcom Corporation
20140269968 - Method and apparatus using a base codebook structure for beamforming: Techniques for a precoding scheme for wireless communications are described. A method and apparatus may comprise a first device for a communications system to determine a beamforming structure for a closed loop transmit beamforming scheme using channel information, one or more scaling factors and one or more integers to represent... Agent:
20140269964 - Smart antenna array configuration for multiple-input multiple-output communications: An access point can include an array of antennas and a smart antenna selector. The smart antenna selector is configured to select a subset of antennas from the antenna array for use in multi-user multiple-input multiple-output (MU MIMO) data transmissions. Stations that are communicatively coupled to the access point can... Agent: Qualcomm Incorporated
20140269961 - Systems and methods for optimizing sounding interval: Systems and methods are disclosed for optimizing the sounding interval in a MIMO communications system. Following a channel sounding protocol, net throughput may be estimated over time. The sounding interval may correspond to the period of time between the end of the sounding protocol and a time when the estimated... Agent: Qualcomm Incorporated
20140269962 - Systems and methods for scheduling su and mu mimo traffic: Systems and methods are disclosed for scheduling SU and MU traffic in a MIMO communications system. Net goodput may be estimated for a station using a plurality of MIMO modes and a transmission to the station may be scheduled using one of the MIMO modes based, at least in part,... Agent: Qualcomm Incorporated
20140269965 - Transmitting spread signal in communication system: A method for receiving Acknowledgement/Negative acknowledgement (ACK/NACK) information in a mobile communication system includes receiving a first signal including first spread ACK/NACK information and second spread ACK/NACK information from a first antenna set of a transmitting end in an orthogonal frequency division multiplexing (OFDM) symbol; receiving a second signal including... Agent: Lg Electronics Inc.
20140269967 - Wireless transmission method, and wireless transmitter and wireless receiver: A wireless transmission method capable of transmitting a data stream by a wireless transmitter having a plurality of transmitting antennas, the wireless transmission method includes at the wireless transmitter, changing the number of candidates of selectable transmission beams to be formed for transmitting the data stream according to the number... Agent: Fujitsu Limited
20140269969 - Transpositional modulation systems and methods: Systems and methods for transpositional modulation and demodulation are provided. One such method for generating a signal includes the steps of providing a look-up table having a plurality of quarter-cycle waveforms, each of said quarter-cycle waveforms associated with a respective input level; receiving an input signal; and outputting quarter-cycle waveforms... Agent: Medusa Scientific, LLC
20140269970 - All digital transmitter noise correction: An all digital model of nonlinear transmitter signal distortion in signals received at a receiver of a transmitter-receiver may be used to estimate distortion. The estimated distortion may then be cancelled from the received signals to improve signal quality of the received signal. The digital nonlinear model may be part... Agent: Analog Devices Technology
20140269972 - Low-power, noise insensitive communication channel using logarithmic detector amplifier (lda) demodulator: A method is provided for communicating signals at a low power level in an electromagnetic interference (EMI) environment. A first device transmits a modulated signal having a first carrier frequency, including the encoded information via a hardwire transmission medium. In one aspect, the power level of the modulated signal can... Agent: Dockon Ag
20140269973 - Method and apparatus for adjusting pre-distortion coefficient: A pre-distortion coefficient corresponding to a transmit power currently set by a transmitting end is adjusted. A signal received quality report which is obtained according to the pre-distortion coefficient before adjustment is analyzed and fed back by a receiving end and a signal received quality report that is obtained according... Agent:
20140269971 - System and method of enhancing signal integrity: A signal processing method is disclosed. The method includes identifying a preferred loss profile for a plurality of signal transmission channels and generating a filter transfer function corresponding to each of the plurality of signal transmission channels, where each filter transfer function is configured to produce a filtered signal with... Agent:
20140269974 - Signal level decision device and method: The present invention discloses a signal level decision device to determine the level of a source signal. Said source signal comprises a plurality of source messages along a time axis; each source message corresponds to one of a plurality of normal levels; and each normal level is equivalent to at... Agent: Realtek Semiconductor Corporation
20140269979 - All digital zero-voltage switching: Power efficiency is an important design requirement of power amplifiers. To improve power efficiency, a solution proposed in this present disclosure includes an all-digital zero-voltage switching apparatus for directly driving a switching power amplifier through a desired current pulse shape. The apparatus includes a digital engine and a digital-to-analog converter... Agent: Analog Devices, Inc.
20140269975 - Digital feed forward noise cancelling regulator: An apparatus comprising a circuit configured to determine whether a data sequence comprises a pre-defined data pattern, regulate an output current based on the pre-defined data pattern, and feed the output current to a transmitter configured to transmit a bitstream comprising the data sequence. Also an apparatus for data transmission... Agent: Futurewei Technologies, Inc.
20140269978 - Interleaved multipath digital power amplification: In one embodiment, a power amplification system of a radio-frequency transmitter includes a digital signal source that provides a digital input signal to an interleaved-bit-stream generator, which outputs a digital switching signal to a switching power amplifier. The interleaved-bit-stream generator has an eight-path interleaving architecture that helps reduce the effective... Agent: Lsi Corporation
20140269980 - Look-up table based digital filter array using digital transmitter: Disclosed are structures and methods for slicing a broadband signal into multiple, narrower bandwidth sub-bands through the use of a look-up table (LUT). An input broadband signal is first loaded by a pre-defined LUT. The LUT is designed with multiple parallel outputs, wherein each output is one individual sub-band.... Agent: Nec Laboratories America, Inc.
20140269976 - Radio frequency digital to analog converter: A RF digital to analog converter has a first capacitor arrangement, a first common node, and a first controller. The first capacitor arrangement has multiple switchable capacitor paths arranged in parallel. Respective switchable capacitor paths have a switchable element and a capacitor coupled in series. The first common node is... Agent:
20140269981 - Transmitters, receivers and methods of transmitting and receiving: A receiver comprises a demodulator configured to detect a signal representing the OFDM symbols and to generate a sampled digital version of the OFDM symbols in the time domain. A Fourier transform processor is configured to receive the time domain digital version of the OFDM symbols and to form a... Agent: Sony Corporation
20140269982 - Transmitters, receivers and methods of transmitting and receiving: The receiver comprises a demodulator configured to detect a signal representing the OFDM symbols and to generate a sampled digital version of the OFDM symbols in the time domain. A Fourier transform processor is configured to receive the time domain digital version of the OFDM symbols and to form a... Agent: Sony Corporation
20140269977 - Wireless device and method for antenna selection: Embodiments, such as apparatus or techniques may include circuitry for a portable wireless device. In an embodiment, a tissue proximity detection circuit may be configured to provide information indicative of a presence or absence of human tissue within a specified range of a first antenna, and an antenna control circuit... Agent:
20140269983 - Apparatus for improved communication and associated methods: An apparatus includes a transmitter adapted to transmit encoded information to a communication link. The transmitter includes a DC balance skew generator. The DC balance skew generator is adapted to skew a DC balance of the information before information is provided to the communication link.... Agent: Altera Corporation
20140269987 - Combined multi-stage crest factor reduction and interpolation of a signal: Methods, systems, and apparatuses are described for performing combined crest factor reduction and interpolation on a signal to be transmitted on a wireless channel. A sample based on a signal to be transmitted on a wireless channel may be received at each stage of a plurality of cascaded stages in... Agent: Qualcomm Incorporated
20140269985 - Dc bias estimation of a radio frequency mixer: Apparatus and methods for estimating a direct current offset in an upconverter are disclosed. Samples of a first signal are received. Values of a compensation signal are retrieved. For example, the compensation signal can be a component in a modified baseband signal, wherein the modified baseband signal is upconverted, downconverted,... Agent: Analog Devices Technology
20140269989 - Energy efficient distributed estimation using nonlinear amplifiers: Some embodiments include a distributed estimation system. Other embodiments of related systems and methods are also disclosed.... Agent: Arizona Board Of Regents, A Body Corporate Of The State Of Arizona, Acting For And On Behalf Of
20140269986 - Method for envelope tracking multiple transmissions through a single power amplifier: In one example, a method is performed on an integrated circuit, for generating a composite envelope reference voltage for a plurality of transmit signals. The method includes, generating a composite baseband signal from a plurality of baseband signals, wherein the plurality of baseband signals represent a corresponding plurality of different... Agent: Motorola Mobility LLC
20140269984 - Methods and systems for crest factor reduction in multi-carrier multi-channel architectures: Crest factor reduction (CFR) can be performed on the various carriers of a multi-carrier multi-channel signal prior to modulation and/or beamforming operations in order to improve signal-to-noise ratios (SNRs) in the resulting wireless communication. More specifically, clipping noise is introduced into each of the individual carrier signals prior to application... Agent: Futurewei Technologies, Inc.
20140269988 - Radio frequency domain digital pre-distortion: Digital pre-distortion (DPD) systems are often used to improve the linearity of a power amplifier in transmitters. These DPD systems are typically implemented in baseband (prior to modulation). However, ever increasing signal bandwidth requirements limits the practicality of DPD systems implemented in baseband. A DPD system in the radio frequency... Agent: Analog Devices, Inc.
20140269990 - Baseband digital pre-distortion architecture: An amplifier may include a predistorter receiving an input signal to generate a predistortion signal, a first converter receiving the predistortion signal to generate a preamplified signal, a power amplifier receiving the preamplified signal to generate an output signal based on the preamplified signal and the input signal, and a... Agent: Analog Devices Technology
20140269991 - Transmit (tx) interference canceller and power detector: A method for Tx interference cancellation and power detection in a wireless device is described. A portion of a Tx output signal is down-converted to generate a feedback signal. A reconstructed interference signal and a weight are generated based on the feedback signal. A Tx power level is detected based... Agent: Qualcomm Incorporated
20140269992 - Method and apparatus for encoding and decoding for frequency and quadrature-amplitude modulation in wireless communication system: An apparatus and a method for operating a transmission end in a wireless communication system that supports Frequency and Quadrature-Amplitude Modulation (FQAM) are provided. The method includes dividing an information bit stream into a plurality of portions, encoding each of the plurality of portions using different encoding schemes, and generating... Agent: Samsung Electronics Co., Ltd.
20140269993 - Method and apparatus for generating a plurality of modulated signals: A method and an apparatus provide a plurality of modulated signals by frequency shifting an output signal of a carrier signal generation circuit for obtaining a first carrier signal and a second carrier signal, and by modulating the first and second carrier signals.... Agent:
20140269995 - Method and apparatus for switching between low-power, single-chain listen and multiple-chain demodulation: A single receive chain of a MIMO receiver is activated during a low power listen mode. Upon detecting a legacy short training field (L-STF) in a received packet, the single receive chain performs a first frequency estimation, and activates one or more additional receive chains of the MIMO receiver. The... Agent:
20140269997 - Multi-band lo selectable wideband lnb using pll: The present invention relates to a low noise frequency converter capable of oscillating various frequencies according to the user's selection. The user selects at least one or more frequencies from among a plurality of frequencies. The low noise frequency converter receives a control signal from the user, and oscillates a... Agent: Intellian Technologies Inc.
20140269996 - Multi-current harmonized paths for low power local interconnect network (lin) receiver: A LIN receiver includes a single, low power structure for both sleep and silent modes, with a single comparator for detecting LIN signaling during both sleep and silent modes as well as during active mode. In some embodiments, full receiving capability is implemented with a current as low as 5... Agent: Microchip Technology Incorporated
20140269994 - Systems and methods for antenna management using per-packet channel information: A wireless device that operates in accordance with the IEEE 802.11 standard receives the preamble of a packet with the highest number of receive chains enabled, thereby obtaining the highest gain, detection sensitivity and range. The wireless device determines a signal-to-noise ratio (SNR) in response to two different short training... Agent: Qualcomm Incorporated
20140269999 - Polar receiver signal processing apparatus and methods: A method of generating inphase and quadrature signals from a polar receiver providing a phase derivative signal and an envelope magnitude signal comprising receiving an estimated phase derivative signal; generating an estimated phase signal; mapping the estimated phase signal to an angular value; converting the estimated phase signal to an... Agent: Innophase, Inc.
20140269998 - System and method for internal ac coupling with active dc restore and adjustable high-pass filter for a pam 2/4 receiver: A receiver termination circuit includes an internal AC coupling capacitor and an adjustable resistor forming an adjustable high-pass filter (HPF) at a receiver side of a transmission medium, and a digital-to-analog converter (DAC) coupled to the adjustable HPF, the DAC configured to provide a signal having a low-pass filter response... Agent:
20140270000 - Computation of reliability values: There are disclosed systems and methods for computing a reliability value for a bit of a received symbol value y associated with a constellation. In one embodiment, the method comprises computing the reliability value by obtaining a first minimum distance value, the first minimum distance value being a function of... Agent: Research In Motion Limited
20140270001 - Quadrature error detection and correction: In an example, there is disclosed a system and method for detecting and correcting error in a quadrature receiver (QR). The QR may include a receiver channel operable to divide a received RF signal into I and Q channels. The receiver channel may include error sources, such as (in sequence)... Agent: Analog Devices, Inc.
20140270002 - System and method quadrature error detection and correction: In an example, there is disclosed a system and method for detecting and correcting error in a quadrature receiver (QR). The QR may include a receiver channel operable to divide a received RF signal into I and Q channels. The receiver channel may include error sources, such as (in sequence)... Agent: Analog Devices, Inc.
20140270003 - Polar receiver architecture and signal processing methods: Compressing a variable phase component of a received modulated signal with a second harmonic injection locking oscillator, and generating a delayed phase-compressed signal with a fundamental injection locking oscillator, and combining the phase-compressed signal and the delayed phase-compressed signal to obtain an estimated derivative of the variable phase component, and... Agent: Innophase, Inc.
20140270004 - Method and apparatus for compensating for frequency errors between base station and mobile station: Methods and apparatuses for compensating for frequency mismatch between a base station and mobile station are disclosed. At a first oscillator, a fixed reference oscillation signal is generated. At a second oscillator, a baseband oscillation signal is generated. A frequency divided version of the baseband oscillation signal is locked to... Agent: Spreadtrum Communications Usa Inc.
20140270005 - Sharing hardware resources between d-phy and n-factorial termination networks: A termination network for a receiver device is provided to support both D-PHY signaling and N-factorial signaling. The first end of each of a plurality dynamically configurable switches is coupled to a common node. A first end of each of a plurality of resistances is coupled to a second end... Agent: Qualcomm Incorporated
20140270006 - Enhanced low power active radio reception: A method and system for offline processing alert messages (AR) on a digital radio broadcast receiver is described. A digital radio broadcast signal is received at the digital radio broadcast receiver. AR receivers will constantly look for AR alerts at a periodic interval by monitoring the station information service (SIS)... Agent:
20140270010 - Method and apparatus for soft-decision detection in 2x2 mimo system: m
20140270007 - Noise-based gain adjustment and amplitude estimation system: Methods and systems for amplitude estimation and gain adjustment using noise as a reference are described. An example receiver can include an antenna and a front end amplifier coupled to the antenna. The receiver can also include a detector circuit coupled to the front end amplifier. The receiver can be... Agent: Lockheed Martin Corporation
20140270011 - Pseudorandom sequence generation for ofdm cellular systems: In one embodiment, a transmitter includes a binary sequence generator unit configured to provide a sequence of reference signal bits, wherein the sequence is an inseparable function of a cell identification parameter, a cyclic prefix mode corresponding to the transmitter and one or more time indices of the sequence. The... Agent: Texas Instruments Incorporated
20140270009 - Turbo decoding techniques: Techniques are disclosed for turbo decoding orthogonal frequency division multiplexing (OFDM) symbols. Techniques for combined turbo decoding and equalization are disclosed. The disclosed techniques can be implemented in receivers that receive wired or wireless OFDM signals and produce data and control bits by decoding the received signals.... Agent:
20140270008 - Wireless audio receiver system and method: A wireless audio receiver system and method is provided that is capable of receiving one or more radio frequency (RF) signals containing audio signals modulated by analog and/or digital modulation schemes, operating in full diversity mode or switched diversity mode, demodulating the RF signals, and outputting analog audio signals and... Agent:
20140270013 - Channel detector implementation with postcoder: A signal detector/decoder is implemented in multiple stages. The beginning stage is configured to input channel data bits and to output hard data bits based on the channel bits and a maximum likelihood (ML) path. The next stage includes a postcoder coupled to receive channel domain information from the first... Agent: Seagate Technology LLC
20140270012 - Demapper for rotated qam constellations: Techniques are described for quadrature amplitude modulation (QAM) processing in a rotated QAM constellation. In the techniques, one or more processors determine points within the rotated QAM constellation around a vector location of a received symbol based on a probability density function applied to the vector location. The one or... Agent: Qualcomm Incorporated
20140270014 - Method and apparatus for performing soft demapping in rotated quadrature amplitude modulation (qam) based communication system: A soft demapping apparatus and method thereof includes a pre-processing unit to pre-process a reception signal obtained from a symbol representing bits. A candidate selection unit selects two candidates from among constellation points included in a constellation for each of the bits. A distance calculation unit calculates a Euclidean distance... Agent: Samsung Electronics Co., Ltd.
20140270015 - Inter-carrier interference phase noise compensation based on phase noise spectrum approximation: An approach is provided to compensate for inter-carrier interference caused by phase noise in a transmitted or received signal. The approach involves causing an estimation of one or more phase noise spectrum taps that cause inter-carrier interference in a received signal. The approach also involves causing an approximation of an... Agent:
20140270020 - Adaptive data decoding: This application presents a direct data recovery from subspaces or parameters subranges of a received OFDM signal preidentified as corresponding to specific data symbols, by applying adaptive data decoding (ADD) method for reversing both original data coding and deterministic and random distortions introduced by a transmission channel, wherein both reversals... Agent:
20140270018 - Circuit architecture for i/q mismatch mitigation in direct conversion receivers: An electrical circuit includes a local oscillator configured to generate a first reference signal and a second reference signal having a predetermined phase shift with the first reference signal, an I-channel mixer configured to inject the first reference signal to an incoming signal and generate a first output, a compensation... Agent: Analog Devices Technology
20140270017 - Device and method for computing a channel estimate: An apparatus includes selection logic configured to select a first subset of a first set of samples stored at a first set of registers. The first subset includes a first sample stored at a first register of the first set of registers and further includes a second sample stored at... Agent: Qualcomm Incorporated
20140270019 - Dynamic low-if frequency for interference mitigation: A method of operating a receiver in a communications system is disclosed. The receiver receives a radio-frequency (RF) data signal and converts the RF data signal to an intermediate frequency. The receiver then determines whether a blocker image interferes with the received data signal, and selectively adjusts the intermediate frequency... Agent:
20140270016 - Methods and systems for beam steering crest factor reduction (cfr) clip noise: Signal-to-noise ratios (SNRs) and/or amplifier performance can be improved in crest factor reduction (CFR) applications by steering clipping noise in a different direction than the data signal achieving upon reception. Indeed, using clipping noise signals that have a different amplitude-phase relationship than the input/baseline signal causes the clipping noise signal... Agent:
20140270022 - Data signal correction circuit, receiver, and data signal correction method: A data signal correction circuit includes a channel characteristic calculator unit configured to calculate a channel characteristic estimate value of a received data signal on the basis of a pilot signal, a path detector unit configured to determine a delay quantity of multipath propagation of the received data signal on... Agent: Fujitsu Semiconductor Limited
20140270021 - Multimode receiver with complex filter: One aspect of the present invention includes a radio frequency (RF) receiver having a first mixer and a second mixer. The first mixer may be an I-mixer and the second mixer a Q-mixer for downconverting the received RF signal. An impedance circuit is disposed between the first mixer and the... Agent: Mstar Semiconductor, Inc.
20140270023 - Low-complexity estimation of qam symbols and constellations: Disclosed are methods and structures for soft symbol and variance estimation for QAM constellations including a big-flipping framework and efficient methods for soft symbol estimation and variance estimation for QAM. Disclosed are efficient Gray mapping which provides a much lower complexity, i.e., log N for N-QAM for both squared and... Agent: Nec Laboratories America, Inc.
20140270024 - Apparatus and method for detection of time tracking failure: According to an example embodiment of this application, a method may include calculating a timing offset estimate based on a received reference signal; accumulating consecutive timing offset estimates to generate a cumulative timing offset estimate; comparing the cumulative timing offset estimate against a threshold; and determining whether a time tracking... Agent: Nokia Corporation
20140270025 - Communication system with charge pump mechanism and method of operation thereof: A method of operation of a wireless communication system includes: synthesizing an incoming clock reference by differentiating an even cycle signal and an odd cycle signal; commutating a pair of resistors (R1, R2) based on the even cycle signal and the odd cycle signal; and controlling an amplifier output by... Agent: Samsung Electronics Co., Ltd.
20140270026 - Multi-wire single-ended push-pull link with data symbol transition based clocking: System, methods and apparatus are described that facilitate transmission of data over a multi-wire data communications link, particularly between two devices within an electronic apparatus. A sequence of data bits is converted into M transition numbers, which are then converted into a sequence of symbols. The sequence of symbols is... Agent: Qualcomm Incorporated
20140270027 - Protection control apparatus: A protection control apparatus includes a control-signal output circuit configured to generate a sampling signal in synchronization with a 1PPS signal and output, as a control signal, data numbers cyclically counted up every time the sampling signal is generated and the sampling signal and a data output unit configured to... Agent: Mitsubishi Electric Corporation
20140270028 - Spdif clock and data recovery with sample rate converter: A system and a technique for recovering data from an input data stream without synchronization of an input sampling circuit to the input data stream determines a count of incoming samples (or frames) without generating a signal that is frequency-locked to the input data stream. A first clock is generated... Agent: Avnera Corporation
20140270029 - Apparatus and method for supporting device to device communication: A method for operating a device in a wireless communication system supporting Device to Device (D2D) communication system includes receiving a reference signal from each of at least one transmitting device, estimating a frequency offset between the reference signals and a comparison reference signal corresponding to the reference signals, and... Agent: Samsung Electronics Co., Ltd.
20140270030 - Eye width measurement and margining in communication systems: Generally, this disclosure describes eye width measurement and margining in communication systems. An apparatus may be configured to: decouple a phase detector from a CDR loop filter of a receiver under test in response to synchronizing a margining clock signal to a receiver clock signal; apply a margining input to... Agent:
20140270031 - Phase interpolator with linear phase change: Some embodiments relate to a phase interpolator. The phase interpolator includes a control block to provide a plurality of phase interpolation control signals which are collectively indicative of a phase difference between a first clock and a second clock. The phase interpolation control signals define different phase step sizes by... Agent: Taiwan Semiconductor Manufacturing Co., Ltd.
20140270033 - Method and apparatus for clock recovery: An integrated circuit device may have an internal oscillator for generating a system clock, a trimming logic with a trimming register for adjusting an oscillation frequency of the internal oscillator; a serial data receiver, wherein a serial data stream includes a synchronization signal. The synchronization signal is operable to indicate... Agent:
20140270032 - Phase detection and correction for non-continuous local oscillator generator: Techniques for detecting and correcting phase discontinuity of a local oscillator (LO) signal are disclosed. In one design, a wireless device includes an LO generator and a phase detector. The LO generator generates an LO signal used for frequency conversion and is periodically powered on and off. The phase detector... Agent:Previous industry: Thermal measuring and testing
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