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Transceivers

Transceivers patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

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Pulse Or Digital Communications


Transceivers



Communications device with simultaneous transmit and receive and related methods
05/28/15 - 20150146765 - A communications device may include a transmit path, a receive path operable simultaneously with the transmit path and at a same frequency as the transmit path, and processing circuitry. The processing circuitry may be configured to generate a baseband signal for the transmit path, generate a feedforward signal based upon...

Use of multi-level modulation signaling for short reach data communications
05/28/15 - 20150146766 - A short reach communication system includes a plurality of communication SERDES that communicate data over a short reach channel medium such as a backplane connection (e.g., PCB trace) between, for example, chips located on a common PCB. A multi-level modulated data signal is generated to transmit/receive data over the short...

Method and apparatus for detecting a preamble in a received radio signal
05/21/15 - 20150139283 - A method for detecting a preamble in a received radio signal comprises demodulating a received radio signal based on a carrier derived from a local timing source to provide a digital signal comprising a sequence of bits oscillating at approximately a modulated data rate. A bit width of each successive...

Systems and methods for non-linear digital self-interference cancellation
05/21/15 - 20150139284 - A system and method for non-linear digital self-interference cancellation including a pre-processor that generates a first pre-processed digital transmit signal from a digital transmit signal of a full-duplex radio, a non-linear transformer that transforms the first pre-processed digital transmit signal into a non-linear self-interference signal according to a transform configuration,...

Compact floating point delta encoding for complex data
05/21/15 - 20150139285 - A method, apparatus, and system for compression of complex data signals within a telecommunications base station. The system may include a transmitter configured to determine a larger value of either real or imaginary components of a digital complex signal. The transmitter designates an exponent of an exponential representation of the...

Antenna driver with scalable output impedance
05/07/15 - 20150124858 - A system includes an antenna, a modulator, and a controller. The modulator may be operatively connected to the antenna. The modulator may be configured to send, a signal to a wireless device via the antenna. The modulator may have an output impedance. The controller may be connected to the output...

Antenna structures and methods
04/30/15 - 20150117502 - A communication device that incorporates the subject disclosure may include, for example, a conductive cover, an antenna structure, and a circuit. The antenna structure can comprise a first portion of the conductive cover having a first slot formed therein. The first portion can form a first antenna element for converting...

Mixer unit
04/23/15 - 20150110161 - A mixer unit (30) for frequency translating, based on an LO signal, an input signal having one or more input signal components is disclosed. The mixer unit has a signal processing path (50a-d, 60a-d) from each Input terminal (32+, 32−) to each output terminal (34_I+, 34_I−, 34_Q+,34_Q−) of the mixer...

Electrical transceiver for synchronous ethernet
04/23/15 - 20150110162 - Disclosed is an electrical transceiver for synchronous Ethernet, including: a first interface connected with a host; a second interface including a physical layer (PHY) transceiver connected with a serial link; and a processor connected with the first interface and the second interface, wherein the processor includes a timing control unit...

Radio frequency carrier generation architecture
04/16/15 - 20150103872 - A method of compensating carrier tone generation between duty cycles includes receiving a carrier frequency signal and a reference frequency signal, where the carrier frequency signal is mixed with a communication signal in a signal path. The method includes determining a first and second time differences between the carrier frequency...

Base station antenna and base station antenna feed network
04/09/15 - 20150098495 - Embodiments of the present invention relate to the field of communications technologies, and provide a base station antenna and a base station antenna feed network. The base station antenna includes a transceiver array, a first-level vector synthesis network, a second-level phase shifter array, a second-level vector synthesis network, and an...

Transmit energy leakage control in a receiver
04/02/15 - 20150092822 - Systems and methods for removing interference from a received signal. A model of a leakage path from a transmit section to a receive section is used to assist in designing a set of iterative filters to remove interference. Modeling the leakage path allows generation of the first approximation of the...

Modular radio transceiver
04/02/15 - 20150092823 - A modular Radio Frequency transceiver includes a frequency synthesizer module arranged to generate a local oscillator signal. At least one transmitter module and/or at least one receiver module are arranged adjacent to the frequency synthesizer module. Each transmitter module and receiver module is arranged to mix at least one respective...

Rfdac transmitter using multiphase image select fir dac and delta sigma modulator with multiple rx band ntf zeros
03/26/15 - 20150085902 - A transmitter includes a delta-sigma modulator characterized by a noise transfer function having a multitude of zeroes positioned substantially near a frequency band of a receive signal. The transmitter further includes, in part, a multi-phase digital-to-analog (DAC) converter converting an output signal of the delta-sigma modulator to an analog signal....

Wireless connectors
03/26/15 - 20150085903 - A wireless connector includes a plurality of printed circuit boards (PCBs) (901, 902) disposed within a housing of the electronic system. Each PCB comprises a plurality of transceivers (910a, 910b, 920a, 920b) configured to wirelessly transmit and receive modulated carrier signals (910, 920). Each transceiver in the system is configured...

Modular microwave backhaul outdoor unit
03/26/15 - 20150085904 - A microwave backhaul system may comprise a monolithic integrated circuit comprising an on-chip transceiver, digital baseband processing circuitry, and auxiliary interface circuitry. The on-chip transceiver may process a microwave signal from an antenna element to generate a first pair of quadrature baseband signals and convey the first pair of phase-quadrature...

Methods and apparatus for low power audio visual interface calibration
03/26/15 - 20150085905 - Methods and apparatus for calibration of interface operation of a display device. In one exemplary embodiment of the invention, an embedded DisplayPort (eDP) source element (such as a graphics processing unit (GPU)) configures itself to support the minimum requirements necessary to support a sink element (such as a screen display)....

Terminal apparatus and sequence assigning method
03/26/15 - 20150085906 - Provided is a sequence allocation method capable of reducing inter-cell interference of a reference signal when a ZC sequence is used as the reference signal in a mobile communication system. In the sequence allocation method, R×M sequences specified by a ZC sequence number r (r=1 to R) and a cyclic...

Flexible unified architecture for point-to-point digital microwave radios
03/19/15 - 20150078422 - A transceiver used in a radio unit for wireless communication, comprises: a circuitry board including a transmitter and a receiver; a first connector on a first side of the circuitry board, wherein the first connector is configured to be connected to an interface card; a second connector on a second...

Multi-carrier communication systems employing variable symbol rates and number of carriers
03/19/15 - 20150078423 - A multi-carrier communication system such as an OFDM or DMT system has nodes which are allowed to dynamically change their receive and transmit symbol rates, and the number of carriers within their signals. Changing of the symbol rate is done by changing the clocking frequency of the nodes' iFFT and...

Multi-carrier communication systems employing variable symbol rates and number of carriers
03/19/15 - 20150078424 - A multi-carrier communication system such as an OFDM or DMT system has nodes which are allowed to dynamically change their receive and transmit symbol rates, and the number of carriers within their signals. Changing of the symbol rate is done by changing the clocking frequency of the nodes' iFFT and...

Filtering high speed signals
03/12/15 - 20150071333 - A method for filtering a data signal includes transmitting the data signal from a transmitter to a receiver across a conductor disposed in an interposer, which interconnects the receiver and the transmitter. The data signal is low-passed with a filter, which includes a passive resistive element disposed within the interposer...

Fast detection/mitigation and recovery for severe emi conditions in automotive area networks
03/12/15 - 20150071334 - The device detects interference on the wired media that exceeds an interference threshold level. Upon the detection, the device enters a quiet mode during which no data is transmitted on the wired media. After exiting the quiet mode, the device enters an idle mode during which known data is transmitted...

Coordinate transmitter, coordinate receiver and coordinate transceiver
03/05/15 - 20150063429 - A coordinate transmitter, a coordinate receiver and a coordinate transceiver are provided. The coordinate transmitter includes a global positioning system (GPS) module, a processing unit and a communication module. The global positioning system module receives a global positioning system signal set. The processing unit captures a coordinate data string from...

Transceiver
03/05/15 - 20150063430 - The present invention provides a transceiver for a radio frequency identification (RFID) reader. The transceiver includes an RF front end, a transmitting component, a receiving component, a power divider and a micro control unit (MCU). The power divider has three terminals. The first terminal of the power divider is connected...

Communication device with beamforming and methods for use therewith
02/26/15 - 20150055689 - A radio frequency (RF) transceiver includes an RF transmitter that generates a transmit signal to a remote communication device based on outbound data. An RF receiver generates inbound data based on a received signal from the remote communication device. The RF receiver includes a channel equalizer and generates post equalization...

Multiuser time-reversal division multiple access uplink system with parallel interference cancellation
02/19/15 - 20150049792 - In a time-reversal wireless system, a transceiver receives a combined signal that includes signals from a plurality of devices, each device sending a signal to the transceiver through multiple wireless propagation paths. Signals sent from each of the devices are estimated based on the combined signal and a signature waveform...

Optimized data transfer utilizing optimized code table signaling
02/12/15 - 20150043621 - In various embodiments, a computer-implemented method for optimized data transfer utilizing optimized code table signaling is disclosed. In one embodiment, a computer-implemented method comprises receiving, by a processor, a digital bit stream and transforming, by the processor, the digital bit stream to an encoded digital bit stream. The encoded digital...

Transmitting / receiving circuit and transmitting / receiving system including the same
02/12/15 - 20150043622 - A transmitting/receiving circuit includes a transmitter suitable for transmitting a transmission signal to a channel, a receiver suitable for receiving a signal of the channel, a replica channel configured by replicating the channel, a replica transmitter suitable for transmitting the transmission signal to the replica channel, a replica receiver suitable...

Wireless transmission system, wireless communication device, and wireless communication method
02/12/15 - 20150043623 - A wireless transmission system includes: a communication unit for transmission; and a communication unit for reception. The communication units for transmission and reception are housed in a housing of the same electronic apparatus, or the communication unit for transmission is housed in a housing of first electronic apparatus and the...

Multi-systems integrated modulation module and communication device
02/05/15 - 20150036725 - The present disclosure illustrates a multi-systems integrated modulation module. The modulation module includes a first modulation circuit and a second modulation circuit. The first modulation circuit includes a high frequency oscillator and high frequency mixers. The second modulation circuit includes a low frequency oscillator and low frequency mixers. The second...

Beam forming and steering using lte diversity antenna
02/05/15 - 20150036726 - An antenna system, which is coupled to one or more first transceivers for processing signals according to one or more protocols, respectively, and to a second transceiver for performing a function in conjunction with at least one of the one or more protocols, is provided. The antenna system includes a...

Operating point setting of an amplifier
01/29/15 - 20150030056 - Embodiments related to the setting of an operating point of an amplifier are described and depicted....

System and method for providing a full fail-safe capability in signal transmission networks
01/29/15 - 20150030057 - Systems and methods for providing a full fail-safe capability in signal transmission networks are disclosed. For example, a system for providing a full fail-safe capability in signal transmission networks includes at least a first electronic circuit to transmit and receive signals or data, at least one driver unit coupled to...

Voltage regulator for a serializer/deserializer communication application
01/22/15 - 20150023398 - The voltage regulator device has a wide band amplifier having an input reference voltage, Vref and an input feedback voltage, Vfbk. The device has a source follower coupled to the wide band amplifier, the source follower coupled to an output of the wide band amplifier. The device has a VDD...

Signal filtering
01/15/15 - 20150016492 - A signal filter (100) comprises a first transferred impedance filter, TIF, (TIFA) having four differential signal paths (PA,1, PA,2, PA,3, PA,4) and a second TIF (TIFB) having four differential signal paths (PB,1, PB,2, PB,3, PB,4)−. A first differential signal port of the first TIF (32A) is coupled to a first...

Transceiver including a high latency communication channel and a low latency communication channel
01/08/15 - 20150010044 - Methods, systems, and apparatuses are described for reducing the latency in a transceiver. A transceiver includes a high latency communication channel and a low latency communication channel that is configured to be a bypass channel for the high latency communication channel. The low latency communication channel may be utilized when...

Systems and methods for equalization in radio frequency signal paths
01/01/15 - 20150003501 - The wireless communications device has a transmit signal path including a digital-to-analog converter and associated circuitry, a receive signal path including an analog-to-digital converter, and a magnitude detector sampling the transmit signal path and providing output to a signal controller. The signal controller is configured to determine amplitude distortion and...

N-order noise shaper
01/01/15 - 20150003502 - An n-order noise shaper has an order n≧3, wherein a first set of polynomial coefficients are optimized with respect to a useful band and wherein a second set of polynomial coefficients are optimized with respect to an optimization aim depending on an overall out of band noise and/or on a...

Transceiver suitable for io-link devices and related io-link device
01/01/15 - 20150003503 - A transceiver is connectable to a cable with at least three wires. The transceiver may include a controlled output stage including a high-side leg, having two P-type transistors coupled in series and having a common current terminal, coupled between an output pin and a positive supply pin. The P-type transistors...

Stable low power mode for multicarrier transceivers
01/01/15 - 20150003504 - A stable Low Power Mode (LPM) for multicarrier transceivers is described that at least provides transmit power savings while enabling receiver designs that can easily operate without the detrimental effects of fluctuating crosstalk. In one exemplary embodiment, the LPM achieves power savings by reducing the number of used subcarriers without...

Low complexity and accurate cluster of beams selection
12/25/14 - 20140376600 - A method at user equipment ‘UE’, the method comprising: determining one or more radio channel estimates from received signals; selecting a precoding index fulfilling an optimisation criterion based on the one or more radio channel estimates and a reduced precoding matrix, wherein the reduced precoding matrix comprises properties of a...

Adaptive time diversity and spatial diversity for ofdm
12/25/14 - 20140376601 - An adaptable orthogonal frequency-division multiplexing system (OFDM) that uses a multiple input multiple output (MIMO) to having OFDM signals transmitted either in accordance with time diversity to reducing signal fading or in accordance with spatial diversity to increase the data rate. Sub-carriers are classified for spatial diversity transmission or for...

Low power radio communication system
12/25/14 - 20140376602 - A method significantly reduces the average power for radio communication in a communication system, such as a system that has applications requiring low communication latency. The method may use a low power radio communication circuit (e.g., a non-heterodyne receiver) to wait for a communication request, taking advantage of the low...


12/18/14 - 20140369393 - A millimeter wave wireless (M2W2) interconnect is used for transmitting and receiving signals at millimeter-wave frequencies for short-range wireless communication with high data rate capability. The transmitter and receiver antennae may comprise an on-chip differential dipole antenna or a bond-wire differential dipole antenna. The bond wire differential dipole antenna is...

System and method for bit processing in a central network component
12/11/14 - 20140362893 - A central network component, a FlexRay-compatible central network component, and a method for bit processing in a central network component are described. In one embodiment, a central network component for facilitating communication among communication nodes includes a bit oversampling module configured to oversample bits received from a first communication node...

Systems and methods for transceiver communication
12/11/14 - 20140362894 - Systems and methods for transceiver communication are discussed herein. An exemplary system comprises a first transceiver and a second transceiver. The first transceiver may comprise an I/Q module and a PHY device. The I/Q module may receive a first complex signal and transform the first complex signal into bit words...

Built in self test and method for rf transceiver systems
12/04/14 - 20140355655 - Integrated circuit transceiver circuitry (2) includes a first resonant circuit (3A) coupled to a narrowband interface (6,7A,7B,21) between a first amplifier (3,20) and an interfacing circuit (4,8,9,44), including a programmable first reactive element (C) and a second reactive element (L). Amplitude sensing circuitry (42) senses a maximum amplitude of an...

Operation method of vehicle system
12/04/14 - 20140355656 - An operation method of a vehicle system, the vehicle system includes a host and cooperates with a mobile device. The operation method includes: connecting the mobile device and the host wirelessly. wherein the mobile device is detachably connected to the host; receiving a touch input at the mobile device to...

Transmitter system with digital phase rotator used for applying digital phase rotation to constellation data and related signal transmission method thereof
11/27/14 - 20140348217 - A transmitter system includes a digital phase rotator, a phase rotation controller, and a digital radio-frequency (RF) transmitter. The digital phase rotator receives a first constellation data, and applies a digital phase rotation to the received first constellation data to generate a second constellation data. The phase rotation controller configures...

Transmitter
11/20/14 - 20140341261 - Embodiments of the present invention provide a transmitter including a plurality of amplifier circuits, a plurality of antennas adapted to have different main transmit directions and a transformation unit. The transformation unit includes a plurality of inputs connected to the plurality of amplifier circuits and a plurality of outputs connected...

Synchronous data system and method for providing phase-aligned output data
10/30/14 - 20140321514 - Embodiments of a synchronous data system and method for generating phase-aligned output data are generally described herein. In some embodiments, the synchronous data system includes a plurality of transmitter-receiver (TX-RX) pairs, each associated with a delay-locked loop (DLL) and arranged to generate corresponding output data stream based on a high-speed...

Phase interpolator
10/30/14 - 20140321515 - A phase interpolator is provided. The phase interpolator includes a plurality of capacitors, a first input for a clock signal, a second input for a phase shifted clock signal, a reference input for a reference signal, and an output. The phase interpolator is configured to provide at its output an...

Harmonic data transfer in rotary wing aircraft
10/23/14 - 20140314130 - A rotary wing aircraft includes a rotor assembly includes a rotor sensor generating a rotor sensor time domain signal; a rotor transform module converting the rotor sensor time domain signal to a rotor sensor frequency domain signal; and a rotor transceiver for transmitting the rotor sensor frequency domain signal over...

Signal transceiver with enhanced return loss in power-off state
10/23/14 - 20140314131 - A signal transceiver with enhanced return loss in a power-off state includes a connector, a band-pass filter, a front-end module and an impedance transformation circuit. The impedance transformation circuit is coupled between the band-pass filter and the front-end module for transforming an input impedance of the signal transceiver, and includes...

Isolated serializer-deserializer
10/16/14 - 20140307759 - A first integrated circuit die receives input data from a plurality of input channels and combines the input data from the plurality of input channels into combined data. The first integrated circuit die transmits the combined data across an isolation communication channel. A second integrated circuit die that is coupled...

Universal platform module for a plurality of communication protocols
10/16/14 - 20140307760 - A communication system comprising a multi-protocol, multi-bearer sub-system is described herein. The sub-system is a universal platform module that can transmit and receive one or more information signals in one or more protocols using one or more bearer services. In one embodiment, the sub-system may form a portion of a...

Receiving circuit and communication circuit
09/25/14 - 20140286378 - 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...

Multicarrier transmission system with low power sleep mode and rapid-on capability
09/25/14 - 20140286379 - 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...

Radio frequency transmitter noise cancellation
09/18/14 - 20140269852 - 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...

Reusing a single-chip carrier aggregation receiver to support non-cellular diversity
09/18/14 - 20140269853 - 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...

Systems and methods for serial communication
09/18/14 - 20140269854 - 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....

Transmitter and receiver
09/18/14 - 20140269855 - 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...

Rf puck
09/18/14 - 20140269856 - 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...

Adaptive non-linear interference cancellation for intermodulation distortion
09/18/14 - 20140269857 - 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...

Transmitter noise cancellation in a multi transmitter-receiver system
09/18/14 - 20140269858 - 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...

Remote unit for communicating with base stations and terminal devices
09/18/14 - 20140269859 - 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...

Adaptive line equalizer for improving data communication over less than perfect power lines or transmission lines
09/18/14 - 20140269860 - 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....

Constellation map optimization for highly spectrally efficient communications
09/18/14 - 20140269861 - 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...

Wireless antenna system
09/18/14 - 20140269862 - 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...

Automatic compensation of transmit power of separate transmit chains in mimo communication
09/11/14 - 20140254639 - Systems and methods are disclosed for receivers of transmit chains of a MIMO system to receive transmit power information and to compute channel characteristics of the transmit chains to enable dynamic adjustment of the transmit power on the transmit chain to optimize an overall data throughput while meeting a maximum...

De-correlating training pattern sequences between lanes in high-speed multi-lane links and interconnects
09/11/14 - 20140254640 - Methods, apparatus and systems for de-correlating training pattern sequences for high-speed links and interconnects. The high-speed links and interconnects employs multiple lanes in each direction for transmitting and receiving data, and may be physically implemented via signal paths in an inter-plane board such as a backplane or mid-plane, or via...

Circuit and method for transmitting or receiving signal
09/11/14 - 20140254641 - A circuit, including a receiving path, for converting a first analog radio frequency (RF) input signal to a digital intermediate frequency (IF) input signal, wherein the first analog RF input signal includes a first signal component conforming to a first wireless transmission standard and a second signal component conforming to...

Methods and systems for high bandwidth chip-to-chip communications interface
09/11/14 - 20140254642 - Systems and methods are described for transmitting data over physical channels to provide a high bandwidth, low latency interface between integrated circuit chips with low power utilization. Communication is performed using group signaling over multiple wires using a vector signaling code, where each wire carries a low-swing signal that may...

Impulse noise management
09/11/14 - 20140254643 - A discrete multitone transceiver (DMT) includes a deinterleaver operable to de-interleave a plurality of bits. The DMT further includes: a forward error correction decoder operable to decode the plurality of bits, a module operable to determine, during Showtime, an impulse noise protection value, wherein the impulse protection value specifies a...

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