REGISTER now for FREE 
|
FREE patent keyword monitoring and additional FREE benefits. REGISTER now for FREE
|
|
|
Pulse Or Digital Communications > Transceivers TransceiversTransceivers patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.11/15/07 - 20070263706 - Variable state length initialization Through the use of a variable state length initialization, both the transmitter and the receiver can have control of the length of one or more initialization states. For example, a transmitter can send information, such as a message, to the receiver at the commencement of, during initialization or prior to ... 11/08/07 - 20070258513 - Digital signal transfer using integrated transformers with electrical isolation A digital logic signal isolator and method utilize a coupling module forming an integrated planar transformer having one common transfer channel. The coupling module has an input electrically coupled to a first coupling point and an output electrically coupled to a second coupling of the coupling module, the input being ... 10/18/07 - 20070242736 - Antenna adaptation comparison method for high mobility A system causes a scan angle of a directional antenna to change temporarily from a current scan angle to at least one trial scan angle during reception of predetermined portions of an information carrying signal. At the trial scan angle(s), a trial metric associated with each trial scan angle is ... 10/04/07 - 20070230549 - Periodic calibration for communication channels by drift tracking A method and system that provides for execution of a first calibration sequence, such as upon initialization of a system, to establish an operation value, which utilizes an algorithm intended to be exhaustive, and executing a second calibration sequence from time to time, to measure drift in the parameters and ... 10/04/07 - 20070230548 - Digital subscriber line noise mitigation techniques, and applications thereof The present invention provides digital subscriber line noise mitigation techniques, and applications thereof. In an embodiment, the present invention provides a toolbox of methods and techniques for mitigating the effects of noise in xDSL systems. These methods and techniques are controllable and locatable at one or both ends of a ... 10/04/07 - 20070230547 - Radio communication apparatus and radio communication method A radio communication apparatus for performing transmission and reception based on radio communication includes: a power suppressor for coupling loop interference signal for attenuating signal power of a received signal to suppress the coupling loop interference signal power of the received signal; and a transceiver having a coupling loop interference ... 09/13/07 - 20070211794 - Tranceiver non-linearity cancellation Embodiments of a method and apparatus for reducing non-linear transmit signal components of a receive signal of a transceiver signal are disclosed. The method includes the transceiver simultaneously transmitting a transmit signal, and receiving the receive signal. A non-linear replica signal of non-linear transmission signal components that are created in ... 08/30/07 - 20070201540 - Hybrid power line wireless communication network A hybrid power line wireless communication system may include an access controller and plurality of communication nodes that each may include a wireless access point coupled to a power line communication device. The wireless access points may provide wireless broadband communications to one or more user devices while the power ... 08/23/07 - 20070195870 - Wireless mesh data acquisition network A wireless, mesh data acquisition network utilizes a communication process and provides fault tolerant communication between large numbers of remotely located transducers and devices. ... 07/19/07 - 20070165709 - Time slicing techniques for variable data rate encoding The disclosure is directed, to a multi-channel encoder. The multi-channel encoder is configured to generate an encoded data stream. The multi-channel encoder includes a plurality of channel encoders, and a processor configured to allocate time slots in the encoded data stream to each of the channel encoders to vary the ... 07/19/07 - 20070165708 - Wireless transceiver with modulation path delay calibration Various embodiments are disclosed relating to wireless systems, and relating to wireless transceivers. In an example embodiment, the wireless transceiver may include a voltage controlled oscillator (VCO) that may be controlled by a phase-locked loop (PLL). A fractional-N divider may be coupled to a feedback loop of the PLL and ... 07/12/07 - 20070160122 - Wireless apparatus, wireless communication system, and transmission mode selecting method A wireless apparatus 1 receives reception quality information, propagation environment information, and block error rate detection information from a wireless apparatus of the other end of communication together with a data signal, and the target error rate selecting unit 7 selects any one of a plurality of tables in which ... 06/28/07 - 20070147485 - Communication device and communication method There is provided a communication device for selecting an optimal modulation method even when a propagation path condition is changed, thereby improving the transmission efficiency. In this device, a second communication device (200) has a transmission path condition estimation unit (210) for estimating the propagation path condition change speed in ... 06/14/07 - 20070133666 - Transmission system of a digital signal A transmission system for a digital signal includes a transmitter and a receiver connected thereto by a transfer bus. The transmission system includes at least one conductive line capacitively coupled with the transfer bus. ... 06/14/07 - 20070133665 - Network aware mobile devices and operations A network aware mobile device (12) includes a transceiver, which identifies one of a plurality of networks (18,20,22) with which the transceiver can communicate. Memory stores information associating networks with operations, which can be performed using the transceiver. Operations are executed when communication with one of the plurality of networks ... 05/31/07 - 20070121711 - Pll with programmable jitter for loopback serdes testing and the like In one embodiment of the invention, a phase-locked loop (PLL) can be programmably controlled to add jitter to its PLL output clock. Such a PLL can be used to programmably inject jitter into the outgoing serial data signal generated by a serializer/de-serializer (serdes) that can be operated in an internal ... 05/24/07 - 20070116105 - Multiple receiver rf integrated circuit architecture A receiver has a plurality of antennas, a voltage controlled oscillator (VCO), and a processor. Each antenna is coupled to a receiver channel. The voltage controlled oscillator is coupled to the receiver channels. The processor is coupled to the receiver channels and substantially continuously monitors and merges signals from the ... 05/17/07 - 20070110143 - Speed negotiation for serial transceivers An arrangement to enable automatic baud rate speed negotiation between transceivers having different operating speed characteristics is implemented. When an event indicative of a possible baud rate mismatch occurs, control signals are generated and used to trigger a baud rate negotiation procedure. In the baud rate negotiation procedure, a predetermined ... 05/17/07 - 20070110142 - Spread spectrum clock for usb A method, apparatus or system for generating a clock signal that includes determining a transmission frequency within a first frequency range for receiving or transmitting a data stream, locking a clock to the transmission frequency during a packet exchange and tuning the clock to one or more frequencies within a ... 05/10/07 - 20070104259 - System and method for concurrent wireless voice and data communications Unitary transceiving units employ a multiple carrier, time-division-multiple-access (TDMA), time-division-duplex (TDD protocol to conduct concurrent wireless voice and data communications wherein a first transceiving base station unit tethered to a network interface wirelessly communicates to a second, mobile transceiving unit. The mobile transceiving unit wirelessly transmits and receives packetized voice ... 05/03/07 - 20070098058 - Method and apparatus for compensating a signal for transmission media attenuation where f is signal frequency, n is an integer larger than 0, and coefficients K0, K0.5, and K1, K2 . . . Kn are adjustable. Coefficient K0 is adjusted to compensate for DC losses of the signal in the transmission media. Coefficient K0.5 is adjusted so that the term K0.5f0.5 ... 05/03/07 - 20070098057 - Wireless communications system and wireless digital receiver for use therein A base station 2 demodulates a wireless signal after downconverting the signal to a low-frequency signal whose center frequency is fi [Hz] and oversampling the signal. A mobile station 3 demodulates a wireless signal after downconverting the signal to a low-frequency signal whose center frequency is fd [Hz] and undersampling ... 04/26/07 - 20070091988 - Systems for communicating using multiple frequency bands in a wireless network Systems that communicate in a wireless network using a first and a second frequency band are described herein. The systems may use the first frequency band to transmit or receive a control signal, enabling subsequent communication using the second frequency band. ... 04/19/07 - 20070086514 - Integrated power supply and communication device An integrated power supply and communication device is presented. The integrated device provides power and communication access to an electronic appliance. The integrated device may be manufactured with a single power and communication input, reducing the amount of wiring and cabling often present with conventional modems. A plurality of electronic ... 03/29/07 - 20070071078 - Radio apparatus A radio apparatus includes a first radio-frequency unit configured to receive a reception signal transmitted from a communication partner, and configured to transmit a transmission signal to the communication partner, a second radio-frequency unit configured to receive a reception signal transmitted from the communication partner, configured to transmit a transmission ... 03/22/07 - 20070064779 - Precise dynamic hysteresis An analog comparator circuit with associated hysteresis logic operably disposed to provide a logic switching mechanism based upon an input voltage level includes a voltage comparator block operably disposed to receive a voltage input signal at a positive terminal of the voltage comparator block and a selected reference voltage at ... 03/22/07 - 20070064778 - Usb 2.0 fs/ls mode driver A USB 2.0 transceiver includes a legacy full speed and low speed (FS/LS) USB driver that includes multiple output stages. The multiple output stages are connected in parallel to an output terminal. By sequentially providing the USB data to the multiple output stages, the USB signal at the output terminal ... 03/15/07 - 20070058703 - Current mode phase shifter, mixer and amplifier An integrated circuit radio transceiver includes a phase shift block that is operable to produce a phase shifted current signal at an output of the phase shift block and a mixer with a low input impedance that is operable to produce a phase and frequency shifted output current signal based ... 03/15/07 - 20070058702 - Method and device for estimating iq imbalance A quadrature transmitter (200) and receiver (100) have configurable I and Q channel paths that facilitate the application of select test signals to determine gain and phase imbalance introduced by each of the transmitter (200) and receiver (100). In a first ‘normal’ configuration, each of the I and Q channels ... 02/22/07 - 20070041435 - Networking methods and systems A network system includes integrated radio transceivers and digitizers, integrated baseband processors and device controllers, digital interfaces there between, and architectures and partitions for same. Licensing methodologies are provided for implementing the features described herein, and for other products and services. ... 01/11/07 - 20070009017 - Residual echo reduction for a full duplex transceiver A hybrid circuit within a full-duplex transceiver transmits an outgoing signal outward on a communication channel at the same time it receives an incoming signal arriving via the communication channel, and the outgoing and incoming signals sum to form a combined signal. The hybrid circuit generates both the outgoing signal ... 01/11/07 - 20070009016 - Radio communication system, radio communication method, radio transmitter and radio receiver A radio transmitter includes an orthogonal transformation unit for carrying out an orthogonal transformation on pilot signals having orthogonal relation to each other between transmission antennas and a pilot multiplexing unit multiplexing the pilot signals and transmission data, and a radio receiver includes a channel estimation unit obtaining a channel ... 01/11/07 - 20070009015 - Adjustment of transmission data rate based on data errors and/or latency Aspects of the present disclosure are directed to providing flexible and efficient communication by dynamically adjusting a transmit data rate in response to data status feedback. Such feedback may include information regarding data errors and/or latency. A first communication node communicates with a second communication node and sends data at ... 01/04/07 - 20070002939 - Method and apparatus for testing a data path An apparatus includes a transmitter providing a training pattern on a selected one of n+1 data paths while communicating data on the remaining n of the n+1 data paths. A receiver having adjustment circuitry receives the n+1 data paths and provides n+1 adjusted data paths. The receiver selects a subset ... 12/28/06 - 20060291544 - Feedback of channel information in a closed loop beamforming wireless communication system A method for feeding back transmitter beamforming information from a receiving wireless communication device to a transmitting wireless communication device includes a receiving wireless communication device receiving a preamble sequence from the transmitting wireless device. The receiving wireless device estimates a channel response based upon the preamble sequence and then ... 12/21/06 - 20060285582 - Transmission device and gain control method An apparatus that can lower the possibility of failing reception modulation in communication where data is transmitted with and without directivity and prevent deterioration of transmission efficiency caused by retransmission. With this apparatus, a gain control signal multiplex section (203) time division multiplexes a directional transmission signal and a gain ... 12/14/06 - 20060280234 - Single amplifier presample processing circuitry An device and method for a pre-sampling processing is disclosed. The pre-sampling device includes a single amplifier having a virtual ground node, and a feed back circuit connected from an output of the amplifier to the virtual ground node. The feed back circuit includes a plurality of switches connected to ... 12/07/06 - 20060274824 - Non-intrusive transmit adjustment method In one embodiment, a first device for communicating over a digital-subscriber-line (DSL) line comprises a digital-subscriber-line transceiver to transmit and receive data over the DSL link. A set of one or more performance parameters are associated with the DSL link by which the quality of the DSL link can be ... 11/23/06 - 20060262839 - Data transmission system and link state managing method thereof A peripheral component interconnect express (PCIE) data transmission system and link state managing method thereof are disclosed. The PCIE data transmission system includes an upstream device, a downstream device and a link. When the link is in a first link state, the downstream device and the upstream device transmit data ... 11/23/06 - 20060262838 - Up / down conversion circuitry for radio transceiver A multi-channel RF receiver uses an image rejection mixer (e.g. double quadrature mixer) in the IF down conversion stage for image side band rejection (whereby use of an IF narrow band filter for image rejection may be omitted if desired) and comprises a simplified frequency synthesizer which generates both a ... 11/09/06 - 20060251158 - Apparatus for and method of detection of powered devices over a network A novel mechanism for detecting the presence of powered devices over a network. A unique, infinite pseudo-random sequence of pulses are generated and transmitted over the network to the link partner attached to the other end of the cable. At each time unit, the PSE decides whether or not to ... 11/02/06 - 20060245482 - Time-slot sequenced multi-band uwb communication system A system and method for transmission and receipt of multi-band communication according to their time slot sequence includes at a transmitting end: an encoder for encoding data according to a time slot position (s1, s2, s3, s4) for each frequency band; an RF modulator for modulating encoded data over a ... 10/26/06 - 20060239337 - Digital interface and related event manager for integrated circuits In one embodiment, the present invention includes a method for receiving at a transceiver from a baseband processor digital control information that includes both event and schedule information, storing the digital control information in a storage of the transceiver, and operating the transceiver according to the event and schedule information. ... 10/19/06 - 20060233227 - Systems and methods for a multi-carrier transceiver with radio frequency interference reduction A multi-carrier information transceiver that exhibits robustness against radio frequency interference (RFI) signals present in the communications channel. The transceiver includes a RFI mitigation technique that operates not only during the steady state operation of the transceiver but also during the training stage of the transceiver. That requires dynamically modifying ... 10/05/06 - 20060222061 - Transmitter-receiver module A transmitter-receiver module includes a first amplifier, a second amplifier, a detection unit, and a control unit. The first amplifier is configured to amplify a transmitter signal, the second amplifier is configured to amplify a receiver signal, the detection unit is configured to detect the receiver signal amplified by the ... 10/05/06 - 20060222060 - Transmission/reception signal conversion circuit and transmission/reception signal conversion method A transmission/reception signal conversion circuit, which can readily convert a signal level or a carrier frequency of a communication device without changing or adding an internal circuit of the communication device, is provided. The transmission/reception signal conversion circuit is connected between two communication devices, each of which communicates with each ... 10/05/06 - 20060222059 - System and method for protecting low voltage transceiver A transceiver module can share a common connector with a rechargeable battery connection. The transceiver module can be protected from the high voltages applied by a battery charger. Determining when the voltage applied at a connector exceeds a reference voltage and electrically decoupling the transceiver module from the connector when ... 09/21/06 - 20060209938 - Methods and circuits for power management in a transceiver A transceiver circuit having 10 mb and 100 mb transmit and receive circuitries using the power saving methods of the present invention is disclosed. The power consumption of the transceiver circuit can be significantly reduced by providing each defined subcircuit with its own power supply and means of activation and ... 09/21/06 - 20060209937 - Adaptive modulation transmission system, transmission device, reception device, and method thereof An adaptive modulation transmission system is disclosed that is capable of assigning a combination of a modulation parameter and a code multiplicity according to a user requirement and a propagation path condition between a transmission device and a reception device. The transmission device includes a signal modulation unit to modulate ... 09/14/06 - 20060203897 - Power-line carrier communication apparatus The invention provides a power-line carrier communication apparatus including a transmission unit with a signal point mapping device for mapping a plurality of bit streams produced from transmission data, a wavelet inverse transforming device for modulating the respective sub-carriers by wavelet waveforms which are orthogonal to each other for producing ... 09/14/06 - 20060203896 - Semi-digital duplexing The inventors have developed a DSL system that can employ digital duplexing for short loops while supporting communications over long loops. For short loops, the system aligns the data symbols at both ends and thereby performs two-way digital duplexing. For longer loops, the system performs semi-digital duplexing: the symbols are ... 09/07/06 - 20060198429 - Isolating circuit of transmitting and receiving paths in same frequency carrier An isolating circuit of transmitting and receiving paths in the same frequency carrier comprises a directional coupler, a phase adjuster, and a mixer. The directional coupler couples a transmitting signal on the transmitting path to the phase adjuster. There is a 90-degree phase difference between an output signal of the ... 08/31/06 - 20060193376 - Highly integrated asymmetric digital subscriber line (adsl) circuit An ADSL transceiver chip is provided that includes an analog front-end and a digital signal processor (DSP) integrated on the same substrate. A line driver for the ADSL transceiver can be located on a separate substrate. In embodiments of the invention, the transceiver chip is implemented in a CMOS process. ... 08/31/06 - 20060193375 - Transceiver for zigbee and bluetooth communications The invention provides a transceiver for Zigbee and Bluetooth communications integrating a Zigbee transceiver and a Bluetooth transceiver. The transceiver includes an RF processor 110, a variable bandpass filter 120, an FSK modulator/demodulator 130, a memory 140, a baseband processor 150, a main controller 160, and a channel selection/frequency hopping ... 08/24/06 - 20060188010 - Wireless communications with transceiver-integrated frequency shift control and power control Baseband processor and communication overloading can be relieved in a portable wireless communication terminal by decentralizing power control (38, 39) and frequency shift control (75) functions that are conventionally concentrated in the baseband processor. A timing sequencer (31) for power control can be integrated into a transceiver of the portable ... 07/27/06 - 20060165160 - Wireless event authentication system A wireless data acquisition and recording (DAR) system includes acquisition circuitry including a video camera and/or a microphone carried by an operator for capturing video and audio events viewed and/or heard by the operator. A wireless transmitter wirelessly transmits digital signals containing the video events captured by the video camera ... 07/27/06 - 20060165159 - Method for transmitting digital electrical signals The invention relates to methods for transmitting information, in particular to communication interfaces of electronic devices. The inventive method makes it possible to extend a communication distance and liability improving noise immunity by compensating a noise signal in both wires of a communication line. Said method consists in grounding the ... 07/13/06 - 20060153284 - Method and apparatus for a frequency agile variable bandwidth transceiver A new radio frequency transceiver architecture comprises a combination of direct digital synthesis and digital control functions to control dual switched capacitor filters in order to perform radio frequency conversion directly to and from baseband. ... 06/29/06 - 20060140260 - Power supply line communication modem and power supply line communication system A modem for power-line communications (20A) comprises input/output terminals (71a and 71b) and input/output terminals (72a to 72d). The input/output terminals (71a and 71b) are connected to a power line and perform input and output of power-line communications signals. The input/output terminals (72a to 72d) perform input and output of ... 06/22/06 - 20060133467 - Method and apparatus for generating a periodic training signal In a method for generating a periodic training signal comprising cyclically expanded training symbols for a transceiver which transmits data via a data transmission channel using a predetermined number N of modulated carrier signals an address pointer for addressing a starting address in a memory is calculated for each training ... 06/01/06 - 20060114975 - Techniques to manage latency for multiple receivers Method and apparatus to manage delay for multiple receivers for a wireless system are described. ... 05/25/06 - 20060109893 - Inphase/quadrature phase imbalance compensation A transceiver includes a transmitter, a receiver, and an electrical feedback line. The transmitter has a quadrature-modulator and is configurable to compensate inphase/quadrature phase imbalances produced by hardware of the transmitter. The quadrature-modulator is configured to quadrature-modulate a carrier wave. The receiver has a quadrature-demodulator and is configurable to compensate ... 05/11/06 - 20060098724 - Systems and methods for multicarrier transceiver with radio frequency interference reduction A multi-carrier information transceiver that exhibits robustness against radio frequency interference (RFI) signals present in the communications channel. The transceiver includes a RFI mitigation technique that operates not only during the steady state operation of the transceiver but also during the training stage of the transceiver. That requires dynamically modifying ... 05/11/06 - 20060098723 - Frequency agile transceiver for use in a multi-band handheld communications device A multi-band handheld communications device includes a transceiver including a transmitter having a transmit filter and a receiver having a receive filter, each of the transmit and receive filters having a bandpass region tunable across multiple bands, and a processor configured to select one of the multiple bands to operate ... 05/04/06 - 20060093023 - Multicarrier transceiver A multicarrier transceiver is disclosed that includes a digital signal processor with a plurality of memory locations, a direct memory, an encoder module coupled to receive data from the FIFO buffers, a decoder module coupled to receive data from the FIFO buffers, a Fourier transform module configured to perform an ... 03/30/06 - 20060067389 - Communication system, communication apparatus, and transmission controlling method The invention aims at determining a transmission power value or a data rate in transmission power control in a reception side apparatus. A communication apparatus (2) includes a modulation class controlling portion (14) for selecting one data rate, and transmits a communication signal having the selected one data rate to ... 03/30/06 - 20060067388 - Methods and apparatuses for detecting impulse noise in a multi-carrier communication system Embodiments of an apparatus, system, and method are described for a multi-carrier communication system that detects for impulse noise present on a transmission medium. Values of peak error samples may be measured to determine an approximate magnitude of the average peak error samples present on a transmission medium. An average ... 03/30/06 - 20060067387 - Transmit adaptive equalization using ordered sets In a communication system comprising first and second nodes, a transmit adaptive equalization technique is implemented utilizing ordered sets. The first and second nodes may communicate over a Fibre Channel link or other medium. The first and second nodes comprise respective transmitter and receiver pairs, with the transmitter of the ... 03/23/06 - 20060062286 - Data training in memory device For data training in a memory device, a selecting unit selects a subset of data bit patterns received from a controlling device. In addition, a storing unit comprised of memory cells of the memory device stores the selected subset of data bit patterns. Such stored data bit patterns are then ... 03/16/06 - 20060056498 - Reconfigurable transceiver architecture for frequency offset generation A first serial transceiver has a reference clock, a first transmitter, and a first receiver. The first receiver includes (i) a phase detector, and (ii) a phase rotator. The phase rotator is driven by the reference clock. A first multiplexer is coupled to the first receiver. The first multiplexer receives ... 02/16/06 - 20060034358 - Methods and transmitters for loop-back adaptive pre-emphasis data transmission A method of transmitting data can include pre-emphasizing data for transmission by a transmitter over a transmission line based on an error feedback signal provided to the transmitter from a receiver of the pre-emphasized data. ... 02/16/06 - 20060034357 - Method in frequency converter provided with voltage intermediate circuit, and frequency converter A method in a frequency converter provided with a voltage intermediate circuit in connection with interference in a network (5) to be supplied and a frequency converter (2), which comprises a network converter part (4) and an inverter part (3) and a DC intermediate circuit (7) between them. The method ... 02/16/06 - 20060034356 - Transmission/reception arrangement and method for reducing nonlinearities in output signals from a transmission/reception arrangement The invention proposes a transmission/reception arrangement (1) which contains a respective distortion unit (5, 6) for the transmission and reception paths (2, 3) and also a calibration apparatus (7). By sending a test signal in an operating mode for calibration and returning the test signal processed in the transmission path ... 02/16/06 - 20060034355 - Echo processing deives for single-channel or multichannel communication systems An echo processing technique for attenuating echo components of a direct signal X1n in a return signal Y2n. A receive gain Grn and a send gain Gen are calculated. The receive gain Grn is applied to the direct signal and an input signal X2n is produced and emitted into an ... 02/02/06 - 20060023777 - Signal transmission The invention relates to a system for contact-free signal transmission and energy transmission comprising a transmitter apparatus for the transmission of a digital signal which includes at least one measurement signal generated by means of a measuring device, in particular a measurement signal digitized by means of an A/D converter ... 01/26/06 - 20060018372 - Apparatus for controlling a digital signal processor for radio isolation and associated methods A method of operating a radio-frequency (RF) circuitry and a signal-processing circuitry in a mobile telephone apparatus includes at least partially disabling the signal-processing circuitry while transmitting or receiving signals. In one example, a processor is efficiently disabled by generating and servicing an interrupt of relatively high priority. One advantage ... 01/05/06 - 20060002455 - Millimeter wave communications system with grid amplifier A high data rate free space communication link operating at millimeter wave frequency ranges. A quasi-optical grid amplifier is used provide increased transmitter output power. In preferred embodiments that output power is greater than 1 watt. Links include two transceivers, the first transceiver transmitting at a first frequency range and ... 01/05/06 - 20060002454 - System and method for scrambling the phase of the carriers in a multicarrier communications system A system and method that scrambles the phase characteristic of a carrier signal are described. The scrambling of the phase characteristic of each carrier signal includes associating a value with each carrier signal and computing a phase shift for each carrier signal based on the value associated with that carrier ... 12/29/05 - 20050286618 - Transceiver using two or more antennas, and a transmitting-receiving method thereof A transceiver of a MIMO method communication system, and a transmitting-receiving method thereof are disclosed. The transceiver includes one or more antennas for receiving two or more signals transmitted using two or more transmission antennas, a channel estimating unit for estimating a channel of each of the signals, an error ... 12/29/05 - 20050286617 - Communication device and data transmission method between at least two communication devices A data transmission method between at least two mobile communication devices is provided, a communication device comprising a first and a second transceiver. The first transceiver communicates with a transceiver of another device with a data rate higher than that of the second transceiver, and the second transceiver communicates with ... 12/29/05 - 20050286616 - Integrated radio circuit having multiple function i/o modules An integrated radio circuit includes a receiver section, a transmitter section, an analog to digital converter section, a digital to analog converter section, a digital baseband processing module, a first dual function input/output (I/O) module, and a second dual function I/O module. The first dual function input/output (I/O) module is ... 12/15/05 - 20050276318 - Method of and system for determining the delay of digital signals A method of and system for determining the time required for a digital bit or bit stream to traverse a round-trip path from a source transceiver to at least one destination transceiver and back is disclosed. The relative timing of the transmitted bit or bit stream is compared to the ... 12/08/05 - 20050271127 - Upstream power cutback A system and method for optimizing the power level in the upstream direction in an ADSL communication system are disclosed. The system and method optimize the upstream signal power level by determining at least one system parameter related to the transmission of the input communications signal and modifying the bit ... 12/08/05 - 20050271126 - High-speed transmission apparatus A high-speed transceiver apparatus is connected between a USB controller of a host and a peripheral device. The transceiver apparatus has a dual-port memory with a first data port and a second data port, a DMA unit providing a data transmission between the second data port and the peripheral device, ... 12/08/05 - 20050271125 - Millimeter wave communications link A high data rate free space communication link operating at millimeter wave frequency ranges. Links include two transceivers, the first transceiver transmitting at a first frequency range and receiving at a second frequency range and a second transceiver transmitting at the second frequency range and receiving at the first frequency ... 11/17/05 - 20050254561 - Multi-standard transceiver for supporting wireless communications in 2.3-2.4 ghz band Disclosed herein is a multi-standard transceiver for supporting a plurality of time division deplexing wireless communication standards. The multi-standard transceiver has a Multi-Mode Modem (MMM), a frequency synthesizing unit, a transmission unit, a reception unit and a transmission/reception switch. The MMM selects a transmission standard and a transmission channel and ... 11/10/05 - 20050249271 - Methods and systems for transceiving chaotic signals A digital communication system based on the use of chaotic carriers is disclosed. For each symbol to be sent, the transmitter sends a reference chaotic signal followed by a transformed version of the reference chaotic signal. For different symbols, different transformations are performed. Also, the transformations are designed such that ... 11/03/05 - 20050243903 - Phy control module for a multi-pair gigabit transceiver A method for controlling operation of a multi-pair gigabit transceiver. The multi-pair gigabit transceiver comprises a Physical Layer Control module (PHY Control), a Physical Coding Sublayer module (PCS) and a Digital Signal Processing module (DSP). The PHY Control receives user-defined inputs from the Serial Management module and status signals and ... 10/27/05 - 20050238087 - Multiple simultaneous frequency and code acquisition for a code division multiple access (cdma) communication system A multiple stage matched filter for a wireless receiver comprises a receiver configured to develop a received signal, the received signal comprising a bit stream of signal samples, and a multiple stage matched filter configured to parallel process the received signal such that multiple codes are analyzed simultaneously to determine ... 10/06/05 - 20050220178 - Semi-distributed power spectrum control for digital subscriber line communications A semi-distributed method of managing the spectral power over multiple digital subscriber line communication loops (LP1, LP2) is disclosed. A central office (CO) DSL transceiver (10) and a remote terminal (RT) DSL transceiver (15) communicate with customer premises equipment (CPE) (121, 122) over separate twisted-pair wire loops (LP1, LP2) that ... 09/22/05 - 20050207481 - Transmit/receive filter and method for manufacturing same A transmit/receive filter includes a substrate, an antenna terminal, a transmit filter assembly arranged on a first substrate portion, an output of the transmit filter assembly being connected to the antenna terminal, a receive filter assembly arranged on a second substrate portion, and a discrete phase shifter arranged on a ... 09/22/05 - 20050207480 - Noise shaped interpolator and decimator apparatus and method Improved interpolator and decimator apparatus and methods, including 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 a ... 09/15/05 - 20050201451 - Method and device for determining transmission parameters The invention concerns a method and a device for determining parameters of a transmission link (2) which is connected to a transmission/reception device (1A; 1B) on the basis of an echo signal of a transmission signal which is transmitted onto the transmission link (2) with at least one individual pulse. ... 09/08/05 - 20050195891 - High frequency module board device The present invention relates to a high frequency module board device having a high frequency transmitting and receiving circuit for modulating and demodulating a high frequency signal. The high frequency module board device comprises a base board (2) whose main surface is formed as a build-up surface (2a) and a ... 09/08/05 - 20050195890 - Signal processor A signal processor for a mobile communication system including a plurality of function blocks for signal processing directed to facilitating debugging. A signal processor 100 includes primary function blocks such as an error correction coder block 102, a modulator block 104, a demodulator block 202, an error correction decoder block ... 08/04/05 - 20050169355 - Transceiver device with a transmit clock signal phase that is phase-locked with a receiver clock signal phase A transceiver system is disclosed that includes a plurality of transceiver chips. Each transceiver chip includes one or more SERDES cores. Each SERDES core includes one or more SERDES lanes. Each SERDES lane includes a receive channel and a transmit channel. The transmit channel of each SERDES lane is phase-locked ... 07/28/05 - 20050163203 - Communication channel calibration for drift conditions A method and system provides for execution of calibration cycles from time to time during normal operation of the communication channel. A calibration cycle includes de-coupling the normal data source from the transmitter and supplying a calibration pattern in its place. The calibration pattern is received from the communication link ... 07/28/05 - 20050163202 - Periodic calibration for communication channels by drift tracking A method and system that provides for execution of a first calibration sequence, such as upon initialization of a system, to establish an operation value, which utilizes an algorithm intended to be exhaustive, and executing a second calibration sequence from time to time, to measure drift in the parameter, and ... 07/21/05 - 20050157779 - Digital subscriber line communicating system and a transceiver in the system A digital subscriber line communicating system for communicating between a transmitting side and a receiving side through a communication line, comprising a hyperframe counter for periodically counting a predetermined number of continuous transmitting data symbols constituting a hyperframe synchronized with a timing signal, and a decoder for discriminating, based on ... 07/21/05 - 20050157778 - Orthogonal normalization for a radio frequency integrated circuit A radio frequency integrated circuit includes a transmitter section, and a receiver section. The receiver section includes a low noise amplifier, down conversion module, an orthogonal-normalizing module, and a baseband processor. The low noise amplifier is operably coupled to amplify the inbound RF signals to produce amplified inbound signals. The ... 07/14/05 - 20050152438 - Communications apparatus, communications system, and communications method A communications apparatus which ensures a predetermined communication quality even when an external environment changes dynamically, and enhances a throughput for overall system, thereby achieving favorable transmission efficiency. A communications apparatus having a receiver and a transmitter and carries out sending/receiving by use of a pulse train is provided with ... 06/30/05 - 20050141602 - Pulse signal generator for ultra-wideband radio transception and radio transceiver having the same Provided are a pulse signal generator for UWB radio transception and a radio transceiver having the same. The pulse signal generator includes: an envelope generator generating a plurality of envelope signals; a local oscillator array composed of a plurality of high frequency oscillators, each outputting two oscillation signals having a ... 06/30/05 - 20050141601 - Automatic impedance matching compensation for a serial point to point link An integrated circuit (IC) device that has an analog front end with an I/O buffer is reset. The I/O buffer has a driver circuit to transmit a stream of information over a serial point to point link, and a receiver circuit to receive a stream of information over the link. ... 06/16/05 - 20050129097 - Communication module and process for networking within and between powered communication devices over a multi-phase power distribution system or subsystem This invention allows the communication of mission critical data to devices that communicate within the same, or a separately connected, power distribution system. Devices operate by being connected to a power distribution system, subsystem, and or different but connected power system. Each device has a specific similar or different communication ... 06/02/05 - 20050117633 - Clock generation systems and methods A low power reconfigurable processor core includes one or more processing units, each unit having a clock input that controls the performance of the unit; a wireless transceiver transmitting and receiving at a frequency based on a wireless clock input; and a controller having a plurality of clock outputs each ... ### FreshPatents.com Support |