Patents for H04L 25 - Baseband systems (55,083)
06/2012
06/19/2012USRE43478 Method and apparatus for compensating reproduced audio signals of an optical disc
06/19/2012US8204161 Configurable all-digital coherent demodulator system for spread spectrum applications
06/19/2012US8204158 Method and apparatus to reduce undesired amplitude modulation
06/19/2012US8204155 Symbol de-mapping methods in multiple-input multiple-output systems
06/19/2012US8204154 DC offset calibration
06/19/2012US8204140 Subscriber unit and method for variable forward error correction (FEC) decoding
06/19/2012US8204138 Symbol-based signaling device for an electromagnetically-coupled bus system
06/19/2012US8204135 Digital broadcasting transmission/reception system utilizing mull packet and TRS code to improve receiving performance and signal processing method thereof
06/19/2012US8203978 Multi-mode terminal in a wireless MIMO system
06/19/2012US8203930 Method of processing a signal and apparatus for processing a signal
06/19/2012US8203653 Integrated analog video receiver
06/14/2012WO2012077155A1 Parallel difference-encoding circuits
06/14/2012WO2012076320A1 Transmission apparatus and method using pre-distortion
06/14/2012WO2012075808A1 Method and device for estimating maximum doppler frequency shift
06/14/2012WO2012075785A1 Digital predistortion processing system and method
06/14/2012US20120148000 Bicm decoding in the presence of co-channel interference
06/14/2012US20120147993 Method and system for baseband predistortion linearization in multi-channel wideband communication systems
06/14/2012US20120147991 Distortion compensation device, distortion compensation method and wireless apparatus
06/14/2012US20120147984 Systems and methods for enhanced channel estimation in wireless communication systems
06/14/2012US20120147978 Cable reduction
06/14/2012US20120147931 Frequency Converter and Wireless Repeater Using the Same, and Wireless Repeating System Using the Same
06/14/2012DE19510631B4 Halbleiterbauelement Semiconductor device
06/13/2012EP2464185A1 Mobile terminal device, wireless base station device, and wireless communication method
06/13/2012EP2464073A2 Pulse signal receiving apparatus and transmission system
06/13/2012EP2464072A1 Frequency reuse in wireless point-to-point communication systems
06/13/2012EP2464071A1 Method and apparatus for filtering noisy estimates to reduce estimation errors
06/13/2012EP2464070A1 Method and apparatus for filtering noisy estimates to reduce estimation errors
06/13/2012EP2464069A2 Digital coherent optical receiver, adaptive equalizer, and digital coherent optical communication method
06/13/2012EP2464009A2 Differential signal termination circuit
06/13/2012EP2462727A2 Hierarchical feedback of channel state information for wireless communication
06/13/2012EP2462726A2 Equalization for ofdm communication
06/13/2012EP1935130B1 Interference suppression in bit-serial data streams
06/13/2012EP1844561B1 Interference estimation in the presence of frequency errors
06/13/2012EP1774736B1 Adaptive pilot insertion for a mimo-ofdm system
06/13/2012EP1717954B1 Bit rate determination circuit based on low bit rate signal
06/13/2012EP1647119B1 Receivers for cycle encoded signals
06/13/2012EP1495538B1 Equalizer mode switch
06/13/2012EP1378089B1 Joint turbo decoding and equalization for MIMO transmission with intersymbol interference
06/13/2012EP1068704B1 Filter for impulse response shortening, with additional spectral constraints, for multicarrier transmission
06/13/2012CN202276359U 削峰装置及移动通信系统 Clipping device and a mobile communication system
06/13/2012CN1771671B Joint detection method and system in CDMA communications system
06/13/2012CN102497347A Time delay adjusting method and system for wireless communication system
06/13/2012CN102497342A Convergence discrimination method for adaptive digital predistortion
06/13/2012CN102497341A Method and system for local oscillator leakage calibration
06/13/2012CN102497340A Time frequency door processing method based on superposition window suppression algorithm
06/13/2012CN102497339A Frequency deviation estimating method in QAM (quadrature amplitude modulation) communication system
06/13/2012CN102497338A Pre-equalization method and device used for training and based on time-domain random sequence
06/13/2012CN102497337A Compressed sensing wireless communication channel estimation method based on sparsity self-adapting
06/13/2012CN102497336A Differential signal bypass collecting device and method
06/13/2012CN102497222A Adaptive switching method of SU-MIMO mode and MU-MIMO mode and adaptive switching apparatus thereof
06/13/2012CN101594327B Multichannel digital predistortion processing device and predistortion processing method
06/13/2012CN101582866B Method of coding data packets and coding system
06/13/2012CN101582865B Direct-current offset compensation method and device of digital self-adapting mobile TV
06/13/2012CN101478523B Adaptive pre-distorter in OFDM system and pre-distortion method
06/13/2012CN101374034B Down and up multi-user multi-input multi-output pre-coding method
06/13/2012CN101361335B Method and apparatus for deriving a channel impulse response estimate for a wireless channel
06/13/2012CN101010883B Interference canceller with fast phase adaptation and method therefor
06/12/2012US8201045 System and method for trellis decoding in a multi-pair transceiver system
06/12/2012US8200099 Demodulation of an optical carrier
06/12/2012US8199863 Multiple-antenna space multiplexing system using enhancement signal detection and method thereof
06/12/2012US8199859 Integrating receiver with precharge circuitry
06/12/2012US8199854 Modulating apparatus, mobile communication system, modulating method, and communication method
06/12/2012US8199849 Data transmitting device, data receiving device, data transmitting system, and data transmitting method
06/12/2012US8199848 Precoding device and method in wireless communication system
06/12/2012US8199842 Time-domain transmit and receive processing with channel EIGEN-mode decomposition for MIMO systems
06/12/2012US8199632 Systems and method for orthogonal frequency divisional multiplexing
06/07/2012WO2012074583A1 Adaptive covariance matrix conditioning for a linear equalizer with receive diversity
06/07/2012WO2012074360A1 A system-on-chip for baseband processing
06/07/2012WO2012073809A1 Data transmission method and display
06/07/2012WO2012072286A1 Circuit arrangement for transmitting a digital signal with an optocoupler
06/07/2012WO2012072228A1 Detection process for a receiver of a wireless mimo communication system
06/07/2012WO2012038834A3 A receiver for use in an ultra-wideband communication system
06/07/2012US20120140849 Frequency reuse in wireless point-to-point communication systems
06/07/2012US20120140848 Transmitting Terminal and Transmit Antenna Selecting Method Thereof
06/07/2012US20120140810 Method and apparatus for generating a precoding matrix codebook group
06/07/2012US20120140664 Random access for wireless multiple-access communication systems
06/06/2012EP2461638A1 Sending a channel quality indication via a shared channel
06/06/2012EP2461530A1 Channel estimation in an OFDM transmission system
06/06/2012EP2461509A1 Detection method using yi algorithm and yi detector
06/06/2012EP2460329A2 Soft bit value generation in a sequence estimator
06/06/2012EP2460328A2 Adaptive transmissions in coordinated multiple point communications
06/06/2012EP2460327A1 System and method for transmission and detection of frame including bursts of pulses
06/06/2012EP2460282A1 Methods and apparatus for blind interference reduction techniques
06/06/2012EP2460276A2 Encoding and decoding of information
06/06/2012EP2260595B1 System and method for dual speed passive optical networks
06/06/2012DE102011087203A1 Vereinfachter adaptiver Filteralgorithmus zur Beseitigung von Sender-induzierten Intermodulationsprodukten gerader Ordnung Simplified adaptive filtering algorithm to eliminate transmitter-induced intermodulation products of even order
06/06/2012DE102010062310A1 Schaltungsanordnung zur Übertragung eines Digitalsignals mit einem Optokoppler Circuitry for transmitting a digital signal to an optocoupler
06/06/2012CN202268909U 一种相位均衡电路 A phase equalization circuit
06/06/2012CN202268884U 用于有线电视前端光通信平台的光发射模块预失真电路 CATV optical transmitter module for optical communication platform predistortion circuit
06/06/2012CN102487373A Channel estimation in OFDM transmission system
06/06/2012CN102487368A Design method and realization device of Per-tone equalizer (PTEQ)
06/06/2012CN102487367A Adaptive amplifying digital baseband pre-distortion method
06/06/2012CN102487366A Frequency offset estimation method and device
06/06/2012CN102487365A RFID reverse signal reception method based on adaptive backward difference algorithm
06/06/2012CN102487364A Channel estimation method and apparatus thereof
06/06/2012CN102487313A Communication method based on combination of space-time block code (STBC) and fast frequency-hop code
06/06/2012CN101714971B Passive optical network communication method, optical-fiber network unit, and optical line terminal
06/06/2012CN101552751B Modulation method based on elliptically spherical function
06/06/2012CN101516060B Method for transmitting and receiving multicast services of multimedia broadcast
06/06/2012CN101170396B Pilot signal transmission method for enhanced multi-transmission antenna system
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