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)
07/2001
07/17/2001US6263472 Apparatus and method for detecting signal points using signal point-mapping
07/17/2001US6263471 Method and apparatus for decoding an error correction code
07/17/2001US6263470 Efficient look-up table methods for Reed-Solomon decoding
07/17/2001US6263468 Apparatus and method for partial buffering transmitted data to provide robust error recovery in a lossy transmission environment
07/17/2001US6263467 Turbo code decoder with modified systematic symbol transition probabilities
07/17/2001US6263466 System and method of separately coding the header and payload of a data packet for use in satellite data communication
07/17/2001US6263108 Apparatus and method for recovery of lost/damaged data in a bitstream of data based on compatibility of adjacent blocks of data
07/17/2001US6263087 Method of encoding bits in a signal
07/17/2001US6262596 Configuration bus interface circuit for FPGAS
07/12/2001WO2001050614A2 System and method for high speed processing of turbo codes
07/12/2001WO2001050613A1 Multi-rate, channel-optimized trellis-coded quantization
07/12/2001WO2001050467A1 Error correcting method, disk medium, disk recording method, and disk reproducing method
07/12/2001WO2001050461A1 Method and format for reading and writing in a multilevel optical data system
07/12/2001US20010008022 Coder with error correction, decoder with error correction and data transmission apparatus using the coder and decoder
07/12/2001US20010007578 Method and system for encoding data for transmission channels
07/11/2001EP1115233A1 Reduced state channel equalising method using symbol-by-symbol decisions
07/11/2001EP1115209A1 Apparatus and method for performing parallel siso decoding
07/11/2001EP1115208A2 Single-pass folded interleaver/deinterleavers
07/11/2001EP1114528A1 Apparatus and method for controlling a demultiplexer and a multiplexer used for rate matching in a mobile communication system
07/11/2001EP0770284B1 Encoding data with variable block lengths
07/11/2001EP0763239B1 Recording medium, data transmission method and apparatus, and data reproduction method and apparatus
07/11/2001EP0671738B1 Method and device for reproducing data
07/11/2001CN1303550A Spread spectrum communication device and spectrum communication method
07/11/2001CN1303549A Device and method for generating and distributing coded symbols in CDMA communication system
07/11/2001CN1068487C Error detecting apparatus for packet exchanger
07/10/2001US6260173 Combined system for producing error correction code symbols and error syndromes
07/10/2001US6260171 Digital data recording channel
07/10/2001US6260169 Device and method for real time correction of row data from DVD media
07/10/2001US6259761 Method of and apparatus for collecting more views of data in a CT scanner with limited data transfer rate
07/10/2001US6259749 Viterbi decoder with pipelined ACS circuits
07/10/2001US6257756 Apparatus and method for implementing viterbi butterflies
07/05/2001WO2001048967A1 Cdma receiving device and error correction method
07/05/2001WO2001048928A1 Communication device and communication method
07/05/2001WO2001048927A1 Method and apparatus for concatenated channel coding
07/05/2001US20010007142 Enhanced viterbi decoder for wireless applications
07/05/2001DE19960923A1 Einrichtung zur Datenumsetzung für einen Reed-Solomon Dekodierer Means for converting data for a Reed-Solomon decoder
07/05/2001CA2393857A1 Method and apparatus for concatenated channel coding
07/05/2001CA2365126A1 Communication device and communication method
07/04/2001EP1113614A2 Apparatus and method for data transmission
07/04/2001EP1113581A2 Method of efficient interleaving of variable-length packets
07/04/2001EP1113580A1 Coder with error correction, decoder with error correction and data transmission apparatus using the coder and decoder
07/04/2001EP1113443A2 Disk recording medium and disk drive unit
07/04/2001EP1112632A1 Apparatus and method for generating scrambling code in umts mobile communication system
07/04/2001CN1302485A Data communication and radio system
07/03/2001US6256764 Method and system for decoding tailbiting convolution codes
07/03/2001US6256763 Reed-Solomon decoder having a new polynomial arrangement architecture and decoding method therefor
07/03/2001US6256357 Communication system
07/03/2001US6256355 Transmitter, receiver, communication method and radio communication system
07/03/2001US6256352 TCM decoder and decoding method thereof
07/03/2001US6256339 Multichannel viterbi decoder
06/2001
06/30/2001CA2328747A1 Single-pass folded interleaver/deinterleavers
06/28/2001WO2001047253A1 Truncated metric for ntsc interference rejection in the atsc-hdtv trellis decoder
06/28/2001WO2001047157A2 Method for interleaving a bit flow in a mobile telephone system
06/28/2001WO2001047125A1 Receiver with improved decoder
06/28/2001WO2001047124A2 Hybrid automatic repeat request system and method
06/28/2001WO2001046765A1 Safety network for industrial controller having reduced bandwidth requirements
06/28/2001US20010005385 Multimedia information communication apparatus and method
06/28/2001DE10059873A1 Repeated transceiver for storage free error correction channel coded symbols in telecommunication, has receiver that performs demultiplexing and channel decoding of received signal to output data signal
06/28/2001DE10059490A1 Exclusive-OR code for serial concatenation coder/decoder, combines input information bits according to combination order determined by user and coded with certain code rate by modulo 2 operation
06/28/2001CA2394547A1 Method for interleaving a bit flow in a mobile telephone system
06/27/2001EP1111935A1 Multimedia information communication device and its method
06/27/2001EP1111863A2 Method and apparatus for shortening the critical path of reduced complexity sequence estimation techniques
06/27/2001EP1111801A1 Viterbi decoder with reduced number of bits in branch metric calculation processing
06/27/2001EP1111800A1 Error correction with a cross-interleaved Reed-Solomon code, particularly for CD-ROM
06/27/2001EP1111799A1 Error correction with a cross-interleaved Reed-Solomon code, particularly for CD-ROM
06/27/2001EP1111798A1 Digital signal processor
06/27/2001EP1111797A1 Interleave device and interleave method
06/27/2001EP1111607A1 Method and apparatus to detect a signal received from a channel signal
06/27/2001EP1111605A1 Method and apparatus to detect a signal received from a channel signal
06/27/2001EP1110328A1 Parallel crc generation circuit for generating a crc code
06/27/2001EP1110327A1 Dynamically changing forward error correction and automatic request for repetition
06/27/2001EP1110218A1 Error correction encoding a data stream of information
06/27/2001EP1110217A1 Write format for digital data storage
06/27/2001EP1110216A1 Enhanced noise-predictive maximum likelihood (npml) data detection method and apparatus for direct access storage device (dasd)
06/27/2001CN1301446A BS digital broadcast receiver
06/27/2001CN1301432A Full and half-rate signal space detection for channels with a time-varying mtr
06/27/2001CN1301431A Channel encoding/decoding device and method
06/27/2001CN1301117A 'Not or' codes and serial connected encoder/decoder therewith
06/27/2001CN1301087A Decoding method and decoder for Tebo code
06/27/2001CN1301020A Method and device for inspecting signals received from channel signals
06/26/2001US6253347 Automatic synchronization circuit for trellis decoder
06/26/2001US6253346 Data transmission circuit having cyclic redundancy check circuit and data rate control circuit
06/26/2001US6252961 Method and apparatus for performing data encryption and error code correction
06/26/2001US6252917 Statistically multiplexed turbo code decoder
06/23/2001CA2327910A1 Method and apparatus for shortening the critical path of reduced complexity sequence estimation techniques
06/21/2001WO2001045272A1 Interleaver design for parsed parallel concatenated codes
06/21/2001WO2001045271A1 Preparation of data for a reed-solomon decoder
06/21/2001WO2000063883A8 Method and apparatus for performing packet loss or frame erasure concealment
06/21/2001US20010004761 Method and apparatus for providing error protection for over the air file transfer
06/21/2001US20010004391 Viterbi decoder with reduced number of bits in branch metric calculation processing
06/21/2001DE19959409A1 Turbo-Code-Decoder und Turbo-Code-Decodierverfahren mit iterativer Kanalparameterschätzung Turbo code decoder and Turbo-code decoding method with iterative channel parameter estimation
06/21/2001DE10057624A1 Optical disk recording in optical disk drive, involves error correction coding of input data and recording data sequentially in direction diagonal to that of 2D array
06/20/2001EP1109345A2 Method and system for generating an error indicator based on code and control information consistency in a communication system
06/20/2001EP1109344A2 Channel code configurations for digital audio broadcasting systems and other types of communications systems
06/20/2001EP1109321A1 One bit error correction method in a chain of bits
06/20/2001EP1109320A1 Device for converting data for a Reed-Solomon decoder
06/20/2001EP1108289A1 Partitioned deinterleaver memory for map decoder
06/20/2001EP1108288A1 Method of encoding bits in a signal
06/20/2001CN1300469A Method and apparatus for accurate synchronization using symbol decision feedback
06/20/2001CN1300468A Segmentation mechanism for a block encoder