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)
04/2005
04/20/2005CN1608241A System and method for communicating between a number of elements and a method for configuring and testing the system
04/20/2005CN1607802A A service triggering method based on original called number information
04/20/2005CN1607759A Method of decoding a data word
04/20/2005CN1607733A Quantization method in Turbo code decoding device
04/20/2005CN1198422C Device and method for detecting error in cyclic redundant check code carrying reverse order check bit
04/20/2005CN1198416C TURBO coding interleaving implementing method and device for W-CDMA system
04/20/2005CN1198409C Device and method for determining maximum likelihood state in a decoding device
04/20/2005CN1198399C Device and method for convolutional encoding in digital system
04/20/2005CN1198398C Error hiding or correction for speech, image and video signal
04/20/2005CN1198284C Cross method and circuit for high density recording medium
04/19/2005US6883133 Method and apparatus for concatenated channel coding with variable code rate and coding gain in a data transmission system
04/19/2005US6883132 Programmable error checking value circuit and method
04/19/2005US6883131 XOR processing incorporating error correction code data protection
04/19/2005US6883130 Enhanced and adaptive error detection in digital communications
04/19/2005US6883094 Communication device for monitoring datalink layer information and outputting data based on communication request information type
04/19/2005US6883021 Programmable and multiplierless Viterbi accelerator
04/19/2005US6882636 Apparatus and method for encoding/decoding transport format combination indicator in CDMA mobile communication system
04/19/2005CA2459322C Spread spectrum communication device and spread spectrum communication method
04/14/2005WO2005034521A1 Digital television transmission with error correction
04/14/2005WO2005034455A1 Method and apparatus for sphere decoding
04/14/2005WO2005034413A1 Method and device for decoding transmitted coded data packets by means of packet oriented data transmission networks and method and device for coding and decoding data packets which are to be transmitted by means of packet oriented data transmission networks
04/14/2005WO2005034360A1 Signal decoding methods and apparatus
04/14/2005WO2005034123A1 Method and apparatus for error code correction
04/14/2005WO2005010754A3 A method, system, and apparatus for adjacent-symbol error correction and detection code
04/14/2005WO2004002046A8 Method of interleaving/deinterleaving in a communication system
04/14/2005US20050081132 Method and apparatus for error code correction
04/14/2005US20050081131 Correcting data having more data blocks with errors than redundancy blocks
04/14/2005US20050081129 Bus device that concurrently synchronizes source synchronous data while performing error detection and correction
04/14/2005US20050081128 Decoding low density parity codes
04/14/2005US20050078942 Information processing apparatus and method program, and recording medium
04/14/2005US20050078781 Method for decoding data using windows of data
04/14/2005US20050078770 Method and system for coding/decoding signals and computer program product therefor
04/14/2005US20050078586 Digital automatic gain control of a multilevel optical disc read signal
04/14/2005DE102004003158A1 Method for forming several transport blocks from several information for transmission e.g. speech data etc. over fault susceptible transmission path, generating fault protection blocks
04/13/2005EP1523100A1 Correcting data having more data blocks with errors than redundancy blocks
04/13/2005EP1523099A1 Multi-dimensional space gray maps for multi-dimensional phase modulation as applied to LDPC (low density parity check) coded modulation
04/13/2005EP1488529A4 Separable cyclic redundancy check
04/13/2005EP1135909B1 Systems and methods for receiving a modulated signal containing encoded and unencoded bits using multi-pass demodulation
04/13/2005EP1112632B1 Apparatus and method for generating scrambling code in umts mobile communication system
04/13/2005CN1606885A Mpeg video recording medium and reproduction apparatus
04/13/2005CN1606857A Method and system for transferring ip packets by aggregating multiple wireless communication channels for high data rate transfers
04/13/2005CN1606853A Method and apparatus for receiving and deshuffling shuffled data
04/13/2005CN1606297A United iteration detecting method for coded GMSK signal
04/13/2005CN1197429C Ultrahigh speed data coding and decoding method and its mapping method
04/13/2005CN1197267C Demultiplexer for channel interleaving
04/13/2005CN1197256C Telecommunication system, transmitter, protecting transmission error method
04/13/2005CN1197255C Communication device and communication method
04/12/2005US6880121 Parallel processing syndrome calculating circuit and reed-solomon decoding circuit
04/12/2005US6879648 Turbo decoder stopping based on mean and variance of extrinsics
04/12/2005US6879267 Soft-output decoder with computation decision unit
04/12/2005US6879181 Methods and apparatuses for signal line termination
04/07/2005WO2005031982A1 Input control device and input control method
04/07/2005US20050076287 System and method for checksum offloading
04/07/2005US20050076286 Encoding and decoding apparatus and method
04/07/2005US20050076285 Error correction coding utilizing numerical base conversion for modulation coding
04/07/2005US20050076274 Semiconductor integrated circuit
04/07/2005US20050076272 Unequal error protection using forward error correction based on reed-solomon codes
04/07/2005US20050076071 Ordering by hamming value
04/07/2005US20050075124 Multi-media broadcast and multicast service (MBMS) in a wireless communication system
04/07/2005DE10341108A1 Method for generating logarithmic probability ratios with rake demodulators e.g. for mobile RF system, requires multiplying signals from rake demodulator with given factor
04/06/2005EP1521414A1 Method and apparatus for sphere decoding
04/06/2005EP1521385A2 Safety protocol for industrial controller
04/06/2005EP1521384A2 A method for transmitting a multimedia message
04/06/2005EP1521375A2 Signal decoding methods and apparatus
04/06/2005EP1521374A1 Maximum a posteriori probability (MAP) decoding
04/06/2005EP1521373A1 In-place data deinterleaving
04/06/2005EP1521372A1 Decoding method, decoding device, and program
04/06/2005EP1521371A1 Method and communication apparatus for decoding data coded with a rank code
04/06/2005CN1605203A Interactive protocol for remote management of access control to scrambled data
04/06/2005CN1605160A Method and arrangement for enhancing search through trellis
04/06/2005CN1604562A Communication controller, host-side controller, communication equipment, communication system and method
04/06/2005CN1604517A Universal design method for quadri-antenna quasi-orthogonal space-time block code
04/06/2005CN1604516A Allowable code word lattice point search based vertical layered space-time code spherical decoding method
04/06/2005CN1604515A Method and apparatus for generating crc for messages having n blocks of data
04/06/2005CN1604483A Decoding method and equipment
04/06/2005CN1196268C Parallel turbo coder implementation
04/05/2005US6877132 Method and apparatus for channel decoding of tail-biting convolutional codes
04/05/2005US6877130 Apparatus and method for generating sub-codes to a turbo-encoder
04/05/2005US6877128 Weighted error/erasure correction in a multi-track storage medium
04/05/2005US6877125 Devices and methods for estimating a series of symbols
04/05/2005US6877117 Optical signal receiver and method with decision threshold adjustment based on a relative percentage error indicator
04/05/2005US6876869 Coding assisting equipment, decoding assisting equipment, radio transmitter, and radio receiver
04/05/2005US6876709 Quantization method for iterative decoder in communication system
04/05/2005US6876705 Systems and methods for decoding of partially corrupted reversible variable length code (RVLC) intra-coded macroblocks and partial block decoding of corrupted macroblocks in a video decoder
03/2005
03/31/2005WO2005029853A1 Data conversion system
03/31/2005US20050071735 Methods and systems for Viterbi decoding
03/31/2005US20050071734 Methods and systems for Viterbi decoding
03/31/2005US20050071733 Communication controller, host-side controller, communication system, USB system, communication equipment, communication method, packet-based communication method, packet-based communication program, and storage medium
03/31/2005US20050071732 Data recording method for optical disk drive
03/31/2005US20050071730 Continuous self-verify of configuration memory in programmable logic devices
03/31/2005US20050071729 Interleaving.deinterleaving device and method for communication system
03/31/2005US20050071728 Encoding and decoding apparatus and method
03/31/2005US20050071727 Encoding and decoding apparatus and method
03/31/2005US20050071726 Arrangement and method for iterative decoding
03/31/2005US20050071724 Error correction of stream data
03/31/2005US20050071722 Data processing apparatus and method for handling corrupted data values
03/31/2005US20050071131 A method of computing partial crcs
03/31/2005US20050068334 De-interlacing device and method therefor
03/31/2005US20050068209 Precoder and optical duo-binary transmission apparatus using the same
03/31/2005DE10333447A1 Receiver e.g. for quadrature amplitude modulation, includes device for determining reference magnitude in the form of reference magnitude and/or reference phase from digitalized input signal