Patents
Patents for H03M 13 - Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes (37,393)
02/2006
02/22/2006CN1738372A Transmitting device and method of digital broadcasting system with improved internal random mechanism
02/22/2006CN1738303A Method for carrying out different service treatment according to different bearing network type
02/22/2006CN1738285A Error indication message processing method
02/22/2006CN1738229A Woven convolutional code error detection and correction coder, encoder in TD-SCDMA system
02/22/2006CN1738209A Method for improving preprocessing part in low density check code encode realization
02/22/2006CN1243425C Speed matching method and digital communication system
02/21/2006US7003718 Memory-based shuffle-exchange traceback for gigabit Ethernet transceiver
02/21/2006US7003717 Decoding apparatus, decoding method, data-receiving apparatus and data-receiving method
02/21/2006US7003716 Method and apparatus for using multi-dimensional trellis codes over multi-path channels
02/21/2006US7003715 Galois field multiply accumulator
02/21/2006US7003712 Apparatus and method for adaptive, multimode decoding
02/21/2006US7003711 Information recording medium on which sector data generated from ECC block is recorded, information recording apparatus for recording sector data, and information reproduction apparatus for reproducing sector data
02/21/2006US7003710 Communications method, communications apparatus and communications system using same communications apparatus
02/21/2006US7003709 Hybrid ARQ retransmission method with reduced buffer size requirement and receiver therefor
02/21/2006US7003708 Method and apparatus for generating bit errors with a poisson error distribution
02/21/2006US7003703 Method of interleaving/deinterleaving in a communication system
02/21/2006US7003702 End-to-end checksumming for read operations
02/21/2006US7003537 Apparatus and method to compute in Jacobian of hyperelliptic curve defined over Galois field of characteristic 2
02/21/2006US7003055 Systolic equalizer and method of using same
02/21/2006US7003045 Method and apparatus for error correction
02/21/2006US7003041 Device and method for decoding turbo codes
02/21/2006US7003033 Systems and methods for encoding redundant motion vectors in compressed video bitstreams
02/21/2006US7003029 Method and device for equalizing and decoding a data signal
02/21/2006US7002889 Data reproduction method and apparatus
02/21/2006CA2351713C Codes, methods, and apparatus for optical encoding and decoding
02/21/2006CA2337918C Turbo interleaving apparatus and method
02/21/2006CA2321977C Puncturing device and method for turbo encoder in mobile communication system
02/21/2006CA2255845C Method of and apparatus for interference rejection combining and downlink beamforming in a cellular radiocommunications system
02/16/2006WO2006017555A2 Memory efficient ldpc decoding methods and apparatus
02/16/2006WO2006016261A1 Structured puncturing of irregular low-density parity-check (ldpc) codes
02/16/2006WO2006016209A1 Irregularly structured, low denisty parity check codes
02/16/2006WO2006015977A2 Channel coding method with associated code and demodulation and decoding method and devices
02/16/2006US20060036933 Method and apparatus for encoding and decoding data
02/16/2006US20060036932 Method and apparatus for encoding and decoding data
02/16/2006US20060036931 System and method for refreshing metric values
02/16/2006US20060036930 Method and apparatus for fast encoding of data symbols according to half-weight codes
02/16/2006US20060036929 Method of configuring transmission in mobile communication system
02/16/2006US20060036928 Code design and implementation improvements for low density parity check codes for multiple-input multiple-output channels
02/16/2006US20060036927 Apparatus and method for encoding and decoding a block low density parity check code
02/16/2006US20060036926 Simplified LDPC encoding for digital communications
02/16/2006US20060036925 Apparatus and method for coding/decoding block low density parity check code with variable block length
02/16/2006US20060036924 Interleaving and parsing for MIMO-OFDM systems
02/16/2006US20060036923 Systems and methods for decreasing latency in a digital transmission system
02/16/2006US20060036819 Interleaver for iterative decoder
02/16/2006US20060034452 Code calculating device
02/16/2006DE4437790B4 Verfahren und Vorrichtung zur Verwendung von endlichen Automaten zur Durchführung einer Kanalmodulation und einer Fehlerkorrektur und einer Entropie-Kodierung Method and apparatus for use of finite-state machine for carrying out a channel modulation and an error correction and an entropy-coding
02/16/2006CA2563642A1 Apparatus and method for encoding and decoding a block low density parity check code
02/15/2006EP1626591A1 Synchronizing push to talk service in wireless communication system
02/15/2006EP1626507A1 Decoder and method for performing a Viterbi algorithm
02/15/2006EP1626506A1 Simplified LPDC encoding for digital communications
02/15/2006EP1626505A1 Apparatus and method for encoding and decoding a block low density parity check code
02/15/2006EP1625585A2 Iterative stripwise trellis-based symbol detection method and device for multi-dimensional recording systems
02/15/2006EP1625573A1 Method of error correction coding, and apparatus for and method of recording data using the coding method
02/15/2006EP1297669B1 Viterbi equalization using precalculated metrics increments
02/15/2006CN1736050A Method of error control coding and decoding of messages in a packet-based data transmission system
02/15/2006CN1735211A Error correction encoding method and apparatus for digital broadcast system
02/15/2006CN1735082A Decision-feedback equalizer and method of updating feedback filter coefficients
02/15/2006CN1735004A Device and method for transmitting redundancy edition signaling in broadband CDMA
02/15/2006CN1242627C Adaptive radio parameter control method, QoS controller and radio communication system
02/15/2006CN1242619C Device and method for coding/decoding, and data processing system
02/15/2006CN1242585C Method and apparatus for communicating block of digital information between sending and receiving station
02/15/2006CN1242584C Data transmission method, data transmission system, transmitter and receiver
02/15/2006CN1242582C Device and method for coding and decoding information bits
02/14/2006US7000177 Parity check matrix and method of forming thereof
02/14/2006US7000176 Scalable modular architecture for parity calculation
02/14/2006US7000175 Method and apparatus for pipelined joint equalization and decoding for gigabit communications
02/14/2006US7000174 Hybrid automatic repeat request system and method
02/14/2006US7000173 Turbo code based incremental redundancy
02/14/2006US7000172 Decoding system and method in an optical disk storage device
02/14/2006US7000171 Recorded medium reproducing device and method, data output controlling method, data outputting method, error detecting method, and data outputting reproducing method
02/14/2006US7000170 Method and apparatus for generating CRC/parity error in network environment
02/14/2006US7000169 Turbo decoding
02/14/2006US7000168 Method and coding apparatus using low density parity check codes for data storage or data transmission
02/14/2006US7000167 Decoding low density parity check codes
02/14/2006US7000158 Simplifying verification of an SFI converter by data format adjustment
02/14/2006US6999533 Demodulating encoded data
02/14/2006US6999532 Decoding circuit and method of Viterbi decoder
02/14/2006US6999531 Soft-decision decoding of convolutionally encoded codeword
02/14/2006US6999521 Method and apparatus for shortening the critical path of reduced complexity sequence estimation techniques
02/14/2006US6999439 Information transmission method, mobile communications system, base station and mobile station in which data size of identification data is reduced
02/14/2006CA2189723C Process for transmitting a sequence of information bits with selective protection against transmission errors, coding and correction processes which can be implemented in such a transmission process
02/09/2006WO2006015243A2 Modified soft output viterbi algorithm for truncated trellis
02/09/2006WO2006014742A2 Ldpc encoding methods and apparatus
02/09/2006WO2006013529A1 Data storage and replay apparatus
02/09/2006WO2005107421A3 Method and apparatus for joint source-channel map decoding
02/09/2006US20060031745 Methods and apparatus for constructing low-density parity check (LDPC) matrix
02/09/2006US20060031744 Method and apparatus for encoding and decoding data
02/09/2006US20060031743 Method and apparatus for a modified parity check
02/09/2006US20060031742 Decoding device and decoding method
02/09/2006US20060031741 Error-correcting circuit for high density memory
02/09/2006US20060031740 Packet detection system and method
02/09/2006US20060031738 Adaptative forward error control scheme
02/09/2006US20060031737 Method and apparatus for communications using improved turbo like codes
02/09/2006US20060031736 Actuation circuit for a switch in a switch-mode converter for improving the response to sudden changes
02/09/2006US20060031734 Irregularly structured, low density parity check codes
02/09/2006US20060031724 Interleaving method and apparatus, de-interleaving method and apparatus, and interleaving/de-interleaving system and apparatus
02/09/2006US20060029169 Using SISO decoder feedback to produce symbol probabilities for use in wireless communications that utilize single encoder turbo coding and transmit diversity
02/09/2006US20060029167 Apparatus and method for sharing viterbi decoder in mobile communication system
02/09/2006US20060029162 Modular multi-bit symbol demapper
02/09/2006US20060028950 Data recording apparatus, data reproducing apparatus, and data recording/reproducing apparatus