Patents for H04L 25 - Baseband systems (55,083)
05/2011
05/25/2011CN101141206B Signal-to-interference ratio measuring device and its implementing method for TD-SCDMA
05/25/2011CN101072213B Multi antenna multiplexing interpolation device
05/25/2011CN101072062B Apparatus and method for transmitting/receiving a signal in a communication system using multiple input multiple output scheme
05/25/2011CN101069362B Apparatus, methods and computer program products for delay selection in a spread-spectrum receiver
05/24/2011US7949070 Method and apparatus for executing MIMO eigenmode transmission
05/24/2011US7949061 Scattered pilot pattern and channel estimation method for MIMO-OFDM systems
05/19/2011WO2011059767A2 A method and an apparatus for adaptively learning a sparse impulse response of a continuous channel
05/19/2011WO2011059667A1 Monitoring instability and resetting an equalizer
05/19/2011WO2011058715A1 Interface circuit, and interface system
05/19/2011WO2011058714A1 Driver circuit, receiver circuit, and method for controlling communication system including those circuits
05/19/2011WO2011058291A1 Mimo wireless communication systems
05/19/2011WO2011058067A1 Method for measuring the angles of multiple paths by means of a two-way receiver
05/19/2011WO2011024129A3 Joint demodulation and interference suppression using serial localization with indecision
05/19/2011WO2011024128A3 Equalization using serial localization with indecision
05/19/2011WO2011024127A3 Demodulation using serial localization with indecision
05/19/2011WO2010005639A3 Inter -cell interference cancellation
05/19/2011US20110116573 Methods and Systems for Adaptive Communication
05/19/2011US20110116531 Removal of multiplicative errors in frequency domain channel estimation for wireless repeaters
05/19/2011US20110116388 Communication method, and transmitting apparatus and receiving apparatus using that communication method
05/19/2011CA2777484A1 Monitoring instability and resetting an equalizer
05/18/2011EP2323325A1 Method and system for receiver adaptation based on knowledge of wireless propagation environments
05/18/2011EP2323279A1 Mobile unit and method implemented in a mobile unit
05/18/2011EP2323277A1 Wireless communication apparatus relaying either soft information or hard decoded bits
05/18/2011EP2323275A1 Method and device for uplink signals transmission and channel estimation in wireless access network
05/18/2011EP2321938A1 Reuse of training sequence between frequency-adjacent radio signals
05/18/2011EP2235897B1 Mimo/transmit diversity channel estimation
05/18/2011CN201839289U High-efficiency digital optical-fiber CDMA (code division multiple access) repeater
05/18/2011CN1905541B Coding and decoding packet data
05/18/2011CN1819569B Merging and normalizing method and device with down channel estimation in default distributing mode
05/18/2011CN1771704B Transmitter circuit, receiver circuit, clock out circuit, data transfer method and data transfer system
05/18/2011CN1652486B Method for preventing and overcoming phase reversal in communication system
05/18/2011CN1630201B ASK demodulation device and wireless device using the same
05/18/2011CN102067645A Improving scrambling under an extended physical-layer cell identity space
05/18/2011CN102067543A Method and apparatus for adaptive timing synchronization in a communication network
05/18/2011CN102067539A Adaptive thresholding for OFDM channel estimation
05/18/2011CN102067538A Transmitter and method for transmitting soft pilot symbols in a digital communication system
05/18/2011CN102067537A Wireless communication unit and method for DC offset estimation
05/18/2011CN102067508A A high speed data transmission method and corresponding devices
05/18/2011CN102067473A Method for the dynamic compensation of a relative movement of a communicating entity
05/18/2011CN102065043A Frequency domain parallel demodulation method in high-speed communication system
05/18/2011CN102065042A Digital pre-distortion device and method
05/18/2011CN102065041A Method, device and system for inhibiting local oscillator leakage
05/18/2011CN102065040A Adjustment method of terminal frequency offset, terminal and TDD (Time Division Duplexing) system
05/18/2011CN102065039A High-speed interface circuit adaptive equalization method and circuit therefor
05/18/2011CN102065038A Reconstruction method and device for realizing interference cancellation in wireless communication system
05/18/2011CN102065037A CO-OFDM (COherent light-Orthogonal Frequency Division Multiplexing) system channel estimation method based on channel impulse response filtering
05/18/2011CN102065036A Simple device for estimating signal-to-noise ratio of communication signal
05/18/2011CN102065035A Channel estimation method of multi-band orthogonal frequency-division multiplexing ultra-wideband system
05/18/2011CN102065034A Time delay multi-address system and time delay multi-address access method thereof
05/18/2011CN102065033A Repeater with ICS function and implementation method thereof
05/18/2011CN102065032A Mobile communication system and method based on high altitude platform semi-regeneration signal processing
05/18/2011CN102065031A Intercell interference processing method and equipment
05/18/2011CN102065030A Transmission line driver and driving method
05/18/2011CN102065029A TD-SCDMA system channel estimation method
05/18/2011CN102064915A Distributed differential space-time code transmission method suitable for fast fading channel
05/18/2011CN102064871A Method and device for beamforming
05/18/2011CN102064848A Method and apparatu for movable station and base station in a multi-subzones broadband wireless system
05/18/2011CN101567778B Receiver circuit
05/18/2011CN101478509B Orthogonal wavelet transform and time diversity technique fused blind equalizing method
05/18/2011CN101453300B Control system for space payload channel encoding
05/18/2011CN101364962B Method for compensating nonlinearity of high power amplifier
05/18/2011CN101331723B Differential signal transmission device and differential signal receiving apparatus
05/18/2011CN101237472B Wireless sensor network channel estimation method based on amplification forward collaboration transmission
05/18/2011CN101228704B Method and apparatus for scaling parameter estimation in parametric generalized RAKE receivers
05/18/2011CN101090380B Systems and methods for linear envelope eliminating and recovering transmitters
05/18/2011CN101060510B A serial interference eliminated multiple cell channel estimation method and its device
05/17/2011US7945009 Jitter measurement
05/17/2011US7944989 Quadrature modulation apparatus, method, program, and recording medium
05/12/2011WO2011056852A2 High performace lvds driver for scalable supply
05/12/2011WO2011055611A1 Signal transmission circuit device, semiconductor device, method and apparatus for inspecting semiconductor device, signal transmission device, and motor drive apparatus using signal transmission device
05/12/2011WO2011055607A1 Monitor/control system
05/12/2011WO2011055024A1 Method for transmitting pre-equalized digital data, and transmitting base implementing such a method
05/12/2011WO2011054857A1 Method and device for mono- and multi-antenna reception for alamouti-type links
05/12/2011WO2011054762A1 Channel estimation in ofdm receiver equipment
05/12/2011WO2011054369A1 Multi-standard communication
05/12/2011WO2011054225A1 Baseband circuit structure for realizing dual-frequency global positioning system (gps) satellite signal receiver and method thereof
05/12/2011WO2011054156A1 Method, device and system for correcting microwave signal
05/12/2011WO2011054144A1 Method and apparatus for antenna calibration in tdd wireless communication system based on coordinated multi-point (comp)
05/12/2011WO2011004353A3 Reduced complexity equalisation in cdma with impulse response shortening
05/12/2011WO2010007379A8 Communication system for short range reliable information transfer
05/12/2011US20110110465 Fsk receiver
05/12/2011US20110110403 Methods and apparatus using precoding matrices in a mimo telecommunications system
05/12/2011US20110110355 Communication method, and transmitting apparatus and receiving apparatus using that communication method
05/12/2011CA2778642A1 System and method for single frequency dual cell high speed downlink packet access
05/11/2011EP2320613A2 System and method for un-interrupted operation of communications during interference
05/11/2011EP2320594A2 Scattered pilot pattern and channel estimation method for MIMO-OFDM systems
05/11/2011EP2319217A2 Method and apparatus for receiving numerical signals transmitted by coded frequency division multiplexing for transmission systems, in particular of the spatial diversity type
05/11/2011EP1768288B1 Demodulation device, diversity reception device, and demodulation method
05/11/2011EP1757000B1 Frequency domain equalization of frequency-selective mimo channels
05/11/2011EP1530857B1 Demodulation of a cpfsk signal by a calculation of the passes through zero and a viterbi algorithm
05/11/2011EP1467508B1 Pilot multiplex method in ofdm system and ofdm receiving method
05/11/2011CN201830205U TD-SCDMA (Time Division-Synchronization Code Division Multiple Access) digital predistortion power amplifier
05/11/2011CN1918870B Method and apparatus to reduce crosstalk in a mimo communication system
05/11/2011CN1708936B Multi-mode terminal in a wireless MIMO system
05/11/2011CN102057639A System and method of an in-band modem for data communications over digital wireless communication networks
05/11/2011CN102057602A Method and apparatus for controlling preamble length in discontinuous transmissions
05/11/2011CN102057597A System and method of an in-band modem for data communications over digital wireless communication networks
05/11/2011CN102056230A Method, device and equipment for extracting and quantizing wireless channel reciprocity information
05/11/2011CN102055716A Carrier phase correcting method for QAM modulation
05/11/2011CN102055715A Soft-decision method and signal receiving system thereof