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)
06/2000
06/08/2000WO2000013448A3 A method, communication system, mobile station and network element for transmitting background noise information in data transmission in data frames
06/07/2000EP1006665A1 Error concealment or correction of speech, image and video signals
06/07/2000EP1006527A1 A decoding apparatus
06/07/2000EP1005735A1 Method and device for assessing the service quality of transmission channels in a digital transmission system
06/07/2000EP1005734A1 Method for data transfer in a digital transmission system with a packet-switching service
06/07/2000EP1005733A1 Method for packet transmission with an arq protocol on transmission channels in a digital transmission system
06/07/2000EP1005730A1 Method for data transfer on transmission channels in a digital transmission system
06/07/2000EP1005726A2 TURBO ENCODING/DECODING DEVICE AND METHOD FOR PROCESSING FRAME DATA ACCORDING TO QoS
06/07/2000EP0729611B1 Reed-solomon decoder
06/07/2000CN1256029A Signal space detector for channels utilizing code having time varying contraints
06/07/2000CN1256005A Encoding method and memory device
06/07/2000CN1255808A Coder, decoder its method, data processing system, memory medium and signal
06/06/2000US6073250 Loss resilient decoding technique
06/06/2000US6072410 Coding/decoding method for high density data recording and reproduction
06/04/2000CA2287118A1 Error concealment or correction or speech image and video signals
06/02/2000WO2000031889A1 Processing signals of different data rates
06/02/2000WO2000031880A1 Method, base station and subscriber station for channel coding in a gsm mobile radiotelephone system
06/02/2000WO1999063673A9 Sequential decoder, and receiver using sequential decoder
06/02/2000CA2351317A1 Processing signals of different data rates
05/2000
05/31/2000EP1004182A1 Communications systems and methods employing parallel coding without interleaving
05/31/2000EP1004181A1 Communications systems and methods employing selective recursive decoding
05/31/2000DE19954256A1 Window fault detector and turbo decoder arrangement for radio telephone receiver detects bad frame if window error exceeds threshold different for continuous or discontinuous mode
05/31/2000DE19853443A1 Verfahren, Basisstation und Teilnehmerstation zur Kanalkodierung in einem GSM-Mobilfunksystem Method, base station and subscriber station for channel coding in a GSM mobile radio system
05/31/2000CN1255000A Speed matching method and digital communication system
05/30/2000US6070263 Circuit for use in a Viterbi decoder
05/30/2000US6069757 Digital transmission signal processing system and recording/reproducing system
05/30/2000CA2181539C Trellis coded modulation system for hdtv
05/25/2000WO2000030072A1 Mitigating errors in a distributed speech recognition process
05/25/2000WO2000019617A3 Performing digital subscriber line (dsl) modem communication over an ac link bus
05/24/2000EP1002390A1 Method and system for rapid initial signal detection in a wireless communications system
05/24/2000EP1002370A1 Data transmission method and system
05/24/2000EP1002272A1 Method and apparatus for adaptive control of forward error correction codes
05/24/2000EP0663085B1 Method and apparatus for reduced-complexity viterbi-type sequence detectors
05/24/2000EP0528471B1 Inconsistency-protected multiprocessor system with broadcasting of symbol-error protected code words
05/18/2000WO2000028693A1 Method and apparatus for performing error correction by combining two instances of a message
05/18/2000WO2000028692A1 Method and apparatus for providing high quality transmissions in a telecommunications system
05/18/2000WO2000028669A1 A high speed pre-computing circuit and method for finding the error-locator polynomial roots in a reed-solomon decoder
05/18/2000WO2000028668A1 Forward error corrector
05/18/2000WO1999045911A8 Universal reed-solomon coder-decoder
05/18/2000CA2349710A1 Method and apparatus for providing high quality transmissions in a telecommunications system
05/17/2000EP1001544A1 Device and method of adapting turbocoders and the associated decoders to sequences of variable length
05/17/2000EP1001543A1 Sequential decoder, and receiver using sequential decoder
05/17/2000EP1000480A2 Transmission system with adaptive channel encoder and decoder
05/17/2000EP1000479A2 Transmission system for transmitting a main signal and an auxiliary signal
05/17/2000EP1000468A2 Transmission system with adaptive channel encoder and decoder
05/17/2000EP0781472B1 Multipurpose error correction calculation circuit
05/17/2000CN1253674A Method for encoding multiword information by word wise interleaving and wordwise error protection, which error locative clues obtained by high protectivity clue words
05/17/2000CN1253419A Concise state device and method for decryption of data
05/16/2000US6065149 Error correction device for a communication system
05/16/2000US6065147 Process for transmitting information bits with error correction coding, coder and decoder for the implementation of this process
05/16/2000US6064664 Base-band interleaver for code division multiple access mobile telecommunication system
05/11/2000WO2000027037A2 Efficient iterative decoding
05/11/2000WO2000027036A2 A system and method for reducing deinterleaver memory requirements through chunk allocation
05/11/2000WO2000027035A1 Generalized convolutional interleaver/deinterleaver
05/11/2000WO2000027034A1 Efficient trellis state metric normalization
05/11/2000CA2349456A1 A system and method for reducing deinterleaver memory requirements through chunk allocation
05/10/2000EP0999669A1 Method and apparatus for diversity reception of user messages with different forward error correction
05/10/2000EP0999648A2 Data rate matching method
05/10/2000EP0998827A2 Modifying data which has been coded
05/10/2000EP0998792A2 Write/read device for communication with transponders, having first coding means and second coding means
05/10/2000EP0998791A1 Concurrent row/column syndrome generator for a product code
05/10/2000EP0998789A2 Channel encoding/decoding device and method
05/10/2000EP0781470B1 Versatile error correction system
05/10/2000EP0748057B1 Bit error counting method and counter
05/10/2000EP0727118B1 Method for improved security of crc encryption system
05/10/2000EP0600095B1 Bit error counter and its counting method, and signal identifying device and its identifying method
05/10/2000CN1252656A Method and apparatus for determining data rate transmitted by variable rate
05/09/2000US6061826 Hardware-optimized reed-solomon decoder for large data blocks
05/09/2000US6061823 Error correcting/decoding apparatus and error correcting/decoding method
05/09/2000US6061760 Controller circuit apparatus for CD-ROM drives
05/09/2000US6061387 Method and system for turbo-coded satellite digital audio broadcasting
05/04/2000WO2000025432A1 Arrangements and method relating to transmission of digital data
05/03/2000EP0998072A1 Forward error correction for ARQ protocol
05/03/2000EP0998047A2 Reduced-state device and method for decoding data
05/03/2000EP0998046A2 Interleaving method and apparatus, de-interleaving method and apparatus, and interleaving/de-interleaving system and apparatus
05/03/2000EP0998045A1 Digital transmission system and method
05/03/2000EP0997888A2 Apparatus for writing and reading optical recording medium
05/03/2000EP0997887A2 Apparatus for writing and reading optical recording medium
05/03/2000EP0997886A2 Apparatus for writing and reading optical recording medium
05/03/2000EP0997885A2 Apparatus for writing and reading optical recording medium
05/03/2000EP0997884A2 Apparatus for writing and reading optical recording medium
05/03/2000EP0997883A2 Apparatus for writing and reading optical recording medium
05/03/2000EP0997882A2 Apparatus for writing and reading optical recording medium
05/03/2000EP0997881A2 Apparatus for writing and reading optical recording medium
05/03/2000EP0997880A2 Apparatus for writing and reading optical recording medium
05/03/2000EP0997879A2 Apparatus for writing and reading optical recording medium
05/03/2000EP0997878A2 Apparatus for writing and reading optical recording medium
05/03/2000EP0997877A2 Apparatus for writing and reading optical recording medium
05/03/2000EP0997876A2 Apparatus for writing and reading optical recording medium
05/03/2000EP0997031A2 Adaptive channel encoding method and device
05/03/2000EP0997009A2 Data communication and radio system
05/03/2000EP0996889A1 A frame format and frame assembling/disassembling method for the frame format
05/03/2000CN1252203A Predictive coding method and decoding method for dynamic image
05/03/2000CN1052135C Apparatus and method for use in equipment providing digital radio link
05/02/2000US6058501 Error detecting device for viterbi decoder
05/02/2000US6058500 High-speed syndrome calculation
05/02/2000US6058499 Error correcting method and device
05/02/2000CA2100906C Method and apparatus for data parity in a transmission system
04/2000
04/29/2000CA2281410A1 Reduced-state device and method for decoding data
04/27/2000WO2000024173A2 Apparatus and method for determining the closest coset points in a trellis decoder