Patents for H04L 25 - Baseband systems (55,083)
04/2013
04/24/2013CN101729468B IQ mismatch correction circuit
04/24/2013CN101729461B System and method for eliminating single-frequency interference and multi-frequency interference
04/24/2013CN101645743B Chaotic sequence-based packet M element spread spectrum communication method and device
04/24/2013CN101604985B Method and device for eliminating time-domain narrowband interference of direct sequence spread spectrum communication system
04/24/2013CN101562462B Method for constructing and distributing training sequence with zero interference window and channel estimator thereof
04/24/2013CN101515811B 信号处理装置 Signal processing means
04/24/2013CN101505288B Relay apparatus for wide band narrow band bi-directional communication
04/24/2013CN101444057B System and method for transmitting and receiving MIMO signal
04/24/2013CN101199177B Receiver apparatus for receiving a multicarrier signal
04/23/2013US8428472 High-speed transmission system for optical channels
04/23/2013US8428210 Apparatus and method for controlling a master/slave system via master device synchronization
04/23/2013US8428203 Integrated tunable RF notch filter
04/23/2013US8428196 Equalizing receiver
04/23/2013US8428191 DC offset suppression circuit for a complex filter
04/23/2013US8428186 Decision directed DC offset removal
04/23/2013US8428182 Communication method and radio communication apparatus
04/23/2013US8428180 Method and apparatus for correcting I/Q mismatch in a wireless communication signal
04/23/2013US8428179 Apparatus and method for crest factor reduction
04/23/2013US8428167 Method of estimating the symbols of a digital signal and receiver for implementing said method
04/23/2013US8428162 System and method for distributed input distributed output wireless communications
04/23/2013US8428155 Printed circuit board
04/23/2013CA2558557C Pilot transmission and channel estimation for miso and mimo systems
04/18/2013WO2013056257A1 Adaptive transmitter pre-distortion reusing existing receiver for feedback
04/18/2013WO2013055965A1 Changing settings for a transient period associated with a deterministic event
04/18/2013WO2013055510A1 Methods and apparatus for low power audio visual interface calibration
04/18/2013WO2013055268A1 Method and node related to channel estimation
04/18/2013WO2013054266A1 Generation and processing of a variable - band modulated ofdm signal with auxiliary signalling
04/18/2013WO2012170780A3 Zero sum signaling in a digital system environment
04/18/2013US20130094611 Digitally-controlled power amplifier with bandpass filtering/transient waveform control and related digitally-controlled power amplifier cell
04/18/2013US20130094610 Digital Multi-band Predistortion Linearizer with Nonlinear Subsampling Algorithm in the Feedback Loop
04/18/2013US20130094598 Apparatus, system, and method for detecting a foreign object in an inductive wireless power transfer system
04/18/2013US20130094556 Feedback Receiver for Antenna Tuner Calculations
04/18/2013US20130094555 Method and Apparatus for Optimizing Dynamic Range in DMT Modems
04/18/2013US20130094553 Apparatus and method for calibration of supply modulation in transmitter
04/18/2013US20130094550 Shared feedback for adaptive transmitter pre-distortion
04/18/2013DE19945273B4 Verfahren zur Messung mindestens einer Eigenschaft eines Übertragungskanals und Sende-/Empfangsstationen zur Durchführung des Verfahrens A method for measuring at least one characteristic of a transmission channel, and transmitting / receiving stations for carrying out the method
04/18/2013DE102012218454A1 Selbstsynchronisierendes datenkommunikationsverfahren und selbstsynchronisierende datenkommunikationsvorrichtung Data communication process self-synchronizing and self-timed data communication device
04/17/2013EP2582112A1 Robust and Low-Complexity Combined Signal Power Estimation for OFDM
04/17/2013EP2582111A1 Signal processing method and device for long term evolution (lte) base station side
04/17/2013EP2582107A2 Device and method for encoding bits to symbol for a communication system
04/17/2013EP2582106A1 Method, apparatus and system for data stream processing
04/17/2013EP2582105A1 Methods and apparatus for interference decrease/cancellation on downlink acquisition signals
04/17/2013EP2582104A1 Methods and apparatus for interference decrease/cancellation on downlink acquisition signals
04/17/2013EP2582056A1 Receiver for wireless communication network with extended range
04/17/2013EP2582055A1 Receiver for wireless communication network with extended range
04/17/2013EP2580898A1 Mimo transmission system with decentralized channel estimation and precoding
04/17/2013EP2580897A2 Method and apparatus for determining channel bandwidth
04/17/2013CN103053140A Adaptive receiver system and adaptive transceiver system
04/17/2013CN103051579A Vehicle-mounted wireless transmission system, vehicle-mounted wireless transmission method, transmitter, transmitting method, receiver and receiving method
04/17/2013CN103051578A Evaluating method of OFDM (orthogonal frequency division multiplexing) channel by iterative difference dispersion judgment with ICI (intersubcarrier interference) elimination
04/17/2013CN103051576A Modulation method for reducing Chirp signal slope frequency modulation mutual interference
04/17/2013CN103051574A Digital predistortion processing method and digital predistortion processing system
04/17/2013CN103051573A Interference signal eliminating module in GSM (global system for mobile communication) and implementation method thereof
04/17/2013CN103051572A Estimation method and device for LTE (long term evolution) channel
04/17/2013CN103051571A Doppler shift estimation method for TD-LTE (Time Division Long-Term Evolution) system
04/17/2013CN103051570A System for monitoring wireless positioning vehicle terminal
04/17/2013CN103051569A Method for estimating amplitude-to-noise ratio
04/17/2013CN102137518B Doherty power amplifier and multi-frequency band signal parameter adjusting device
04/17/2013CN102025457B Method and base station for cooperative communication
04/17/2013CN102025454B Method and device for generating precoding matrix codebook
04/17/2013CN102014098B Method and device for measuring and calculating maximum Doppler frequency offset
04/17/2013CN102014085B Physical-layer network coding detection method in bidirectional MIMO relay channel
04/17/2013CN101984562B Narrow-band signal gain estimation method
04/17/2013CN101958854B Channel estimation method, device and receiver
04/17/2013CN101841350B Doppler frequency shift estimation method based on stochastic resonance preprocessing
04/17/2013CN101789850B Merging pretreatment method of subcarriers in multi-input multi-output system
04/17/2013CN101783699B Signal emission method and device of down link in multi-user MIMO (Multiple Input Multiple Output) system
04/17/2013CN101764777B Method for obtaining optimal pilot frequencies of non-continuous orthogonal frequency division multiplexing system
04/17/2013CN101690057B Equipment for compensating emission power loss and method thereof
04/17/2013CN101606349B Clock/data recovery circuit
04/17/2013CN101529775B Forward error correction encoding for multiple link transmission compatible with 64b/66b scrambling
04/17/2013CN101330357B Method for feedback of channel condition information and net element equipment
04/16/2013US8422606 Method and system for pre-equalization in a single weight spatial multiplexing MIMO system
04/16/2013US8422591 System and method for high speed communications using digital signal processing
04/16/2013US8422568 Communication channel calibration for drift conditions
04/16/2013US8422567 Signal transmission apparatus and method
04/16/2013US8422544 Communication receiver with an adaptive equalizer
04/16/2013US8422539 Multi-carrier receiver, multi-carrier transmitter and multi-carrier transceiver system
04/16/2013US8422511 Systems and methods for multi-pair ATM over DSL
04/16/2013US8421727 Transmitter circuit, transmission circuit and driver unit
04/16/2013CA2410894C Flow cytometry-based hematology system
04/11/2013WO2013052818A1 Coherent transmission from distributed wireless transmitters
04/11/2013WO2013051677A1 Communication system, communication device, communication method, and communication parameter determining method
04/11/2013WO2013050351A1 Processing of channel coefficients of a network
04/11/2013WO2013024463A3 Systems methods circuits and apparatus for calibrating wireless communication systems
04/11/2013WO2012174047A3 Distributed antenna system architectures
04/11/2013US20130089162 Low complexity maximum likelihood detection of concatenated space codes for wireless applications
04/11/2013US20130089131 Wireless Transport Framework with Variable Equalizer Training
04/10/2013EP2579534A2 Single Carrier Transmission System, Communication Device, And Single Carrier Transmission Method Using For Them
04/10/2013EP2579530A1 Asynchronous protocol converter device
04/10/2013EP2579529A2 Apparatus and method for envelope detection
04/10/2013EP2577929A2 Apparatus and method for allocating channel state information-reference signal in wireless communication system
04/10/2013EP2577923A1 Apparatus, method and computer program product for selecting beam group and subset of beams in communication system
04/10/2013EP2577922A1 Employing reference signals in communications
04/10/2013CN202872826U A data communication circuit of an electric energy quality monitoring analyzer
04/10/2013CN103039047A A method for operating a secondary station
04/10/2013CN103039004A Heterogeneous physical media attachment circuitry for integrated circuit devices
04/10/2013CN103037425A Method for detecting uplink signals in mobile communication system through node base (NB) and NB
04/10/2013CN103036846A I or Q imbalance compensation control method applied to communication system receiver
04/10/2013CN103036844A Pilot design for OFDM systems with four transmit antennas
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