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) |
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05/01/1996 | EP0709979A2 Apparatus and method for error correction based on transmission code violations and parity |
05/01/1996 | EP0709847A2 Digital coding and error correction |
05/01/1996 | EP0709846A2 Method of and apparatus for recording and reproducing data and transmitting data |
05/01/1996 | CN1121660A Modulation method, recording method, reproducing method, recording and reproducing apparatus, recording and reproducing method, and reproducing apparatus |
04/30/1996 | US5513347 Data transfer system |
04/30/1996 | US5513220 Digital receiver with minimum cost index register |
04/24/1996 | EP0627141A4 High speed modem systems incorporating distribution preserving tomlinson encoding and decoding for secondary channels. |
04/23/1996 | US5511096 Quadrature amplitude modulated data for standard bandwidth television channel |
04/23/1996 | US5511082 Punctured convolutional encoder |
04/23/1996 | US5511081 Method for source-controlled channel decoding by expanding the Viterbi algorithm |
04/23/1996 | US5511080 Playback data detecting method for improving bit error rate for random error |
04/23/1996 | US5511078 Method and apparatus for correction errors in a memory |
04/17/1996 | EP0707425A2 Methods of coding and decoding moving-picture signals, using self-resynchronizing variable-length codes |
04/17/1996 | EP0707402A2 Trellis coded modulation employing lower dimensionality convolutional encoder |
04/16/1996 | US5509031 Method of transmitting and receiving encoded data in a radio communication system |
04/16/1996 | US5509021 Viterbi decoder for decoding error-correcting encoded information symbol string |
04/16/1996 | US5509020 Viterbi decoding apparatus and methods |
04/10/1996 | EP0705510A1 Receiver for a direct sequence spread spectrum orthogonally encoded signal employing rake principle |
04/10/1996 | CN1120269A Apparatus and method for detecting signal points using signal point-mapping |
04/09/1996 | US5506903 Digital multiplex transmission system |
04/04/1996 | DE19526555A1 Dekodierer zum Dekodieren eines kodierten, mehrwertigen Signals unter Verwendung eines Viterbi-Dekodierverfahrens Decoder for decoding a coded multi-valued signal by using a Viterbi decoding method |
04/03/1996 | EP0705002A2 Method for cyclic redundancy code (CRC) checking in asynchronous transfer mode (ATM) packet based networks |
04/03/1996 | EP0704981A1 Apparatus for branch synchronisation in a Viterbi decoder for multidimensional trellis-coded (TCM) signals |
04/02/1996 | US5504761 Apparatus for detecting error in a communications line |
04/02/1996 | US5504758 Error-correcting apparatus |
03/27/1996 | EP0703686A2 Maximum likelihood estimation using reference and spontaneous output peaks of partial response equalizer |
03/27/1996 | EP0703675A2 Variable length decoding method and apparatus |
03/26/1996 | US5502736 Viterbi decoder for decoding error-correcting encoded information symbol string |
03/26/1996 | US5502735 Maximum likelihood sequence detector |
03/26/1996 | US5502734 Code transmitting method |
03/26/1996 | US5502732 Method for testing ECC logic |
03/26/1996 | US5502713 Soft error concealment in a TDMA radio system |
03/26/1996 | US5502665 Galois field multiplier |
03/21/1996 | WO1996008905A1 Method for demodulating digitally modulated data signals |
03/21/1996 | WO1996008904A1 Simultaneous demodulation and decoding of a digitally modulated radio signal |
03/21/1996 | WO1996008903A1 Blind equalizing apparatus |
03/21/1996 | WO1996008895A1 Method and apparatus for decoder optimization |
03/21/1996 | WO1996008876A1 A device and method for performing error detection on an interleaved signal portion, and a receiver and decoding method employing such error detection |
03/21/1996 | WO1996008875A1 Multipurpose error correction calculation circuit |
03/21/1996 | WO1996008874A1 Crc/edc checker system |
03/21/1996 | WO1996008873A1 Versatile error correction system |
03/21/1996 | CA2199932A1 Method for demodulating digitally modulated data signals |
03/20/1996 | EP0702476A2 Multilevel weighted transmission method and multilevel weighted transmission and reception apparatus |
03/20/1996 | EP0631703A4 Efficient crc remainder coefficient generation and checking device and method. |
03/20/1996 | CN1119058A Soft error correction in a TDMA radio system |
03/19/1996 | US5500863 CRC operational system |
03/13/1996 | CN1118561A Ethod and circuit arrangement for speech signal transmission |
03/13/1996 | CN1118543A Trellis coding in a simultaneous voice and data system |
03/13/1996 | CN1118540A Apparatus and method for correcting fault |
03/13/1996 | CN1118467A Processing of speech coder parameters in the receiver of a communications system |
03/12/1996 | US5499254 Apparatus for error-correct decoding in a digital data communications system |
03/12/1996 | US5499251 Method of recovering lost bits in a digital transmission |
03/12/1996 | US5499246 Digital radio receiver which detects when a portion of a burst is stolen for a control message |
03/07/1996 | WO1996007254A1 Receiver |
03/06/1996 | EP0700183A2 Method for generation of bit reliability information for a digital transmission system using M-ary orthogonal modulation |
03/06/1996 | EP0700182A1 Apparatus for error correcting decoding in digital data communication systems |
03/06/1996 | EP0700164A1 Signal processing circuit to implement a Viterbi algorithm |
03/05/1996 | US5497401 Branch metric computer for a Viterbi decoder of a punctured and pragmatic trellis code convolutional decoder suitable for use in a multi-channel receiver of satellite, terrestrial and cable transmitted FEC compressed-digital television data |
03/05/1996 | US5497384 Permuted trellis codes for input restricted partial response channels |
03/05/1996 | US5497383 Error detector circuit for receiver operative to receive discretely-encoded signals |
02/28/1996 | EP0698329A1 Transmitter and receiver apparatus, method for transmitting and method for receiving and record carrier obtained by the method or the transmitter apparatus |
02/28/1996 | EP0698270A1 Record carrier and device for reading such a record carrier |
02/28/1996 | EP0698269A1 Error correctable data transmission method and device based on semi-cyclic codes |
02/27/1996 | US5495488 Arithmetic circuit having a simple structure for producing an error numeric value polynomial and an error locator polynomial |
02/27/1996 | US5495298 Apparatus for concealing detected erroneous data in a digital image signal |
02/22/1996 | WO1996005593A1 A tuned viterbi detector and equalizer system |
02/21/1996 | EP0697770A1 Arithmetic decoding method |
02/21/1996 | EP0697696A2 Apparatus and method for error correction |
02/21/1996 | CN1117252A Interleaving process |
02/20/1996 | US5493584 Method for determining a channel quality metric in a receiver |
02/20/1996 | CA2030097C Interleaving in coded modulation for mobile radio |
02/15/1996 | WO1996004738A1 Method of and apparatus for interference rejection combining in multi-antenna digital cellular communications systems |
02/14/1996 | EP0696799A1 Digital signal encoding method and apparatus, digital signal recording medium, and digital signal decoding method and apparatus |
02/14/1996 | EP0696798A1 Method and device for recording data, data recording medium, and method and device for reproducing data |
02/13/1996 | US5491772 Methods for speech transmission |
02/13/1996 | US5491705 De bruijn graph based VLSI viterbi decoder |
02/13/1996 | US5491702 Apparatus for detecting any single bit error, detecting any two bit error, and detecting any three or four bit error in a group of four bits for a 25- or 64-bit data word |
02/13/1996 | US5491701 Burst error corrector |
02/13/1996 | US5491700 Method and apparatus for code error correction using an ordered syndrome and error correction lookup table |
02/13/1996 | US5491698 Setting optimal boundary thresholds in a decoder for coded signal processing channels |
02/07/1996 | EP0696108A1 Transmission system and apparatus therefor |
02/07/1996 | EP0695989A1 Inversion circuit for galois field elements |
02/07/1996 | CN1116475A Communication process in a radio telephone system |
02/06/1996 | US5490260 Solid-state RAM data storage for virtual memory computer using fixed-sized swap pages with selective compressed/uncompressed data store according to each data size |
02/06/1996 | US5490178 Power and time saving initial tracebacks |
02/06/1996 | US5490154 Method of and circuit arrangement for decoding RS-coded data signals |
02/06/1996 | US5490150 Method and apparatus for data parity in a transmission system |
02/01/1996 | WO1996002983A1 Generalized direct update viterbi equalizer |
02/01/1996 | WO1996002973A1 Viterbi acs unit with renormalization |
02/01/1996 | CA2195400A1 Generalized direct update viterbi equalizer |
01/31/1996 | EP0695052A1 Method for interleaving and de-interleaving of SDH frames and corresponding device |
01/31/1996 | EP0695042A2 Viterbi decoding method and decoder capable of eliminating phase indeterminacy |
01/31/1996 | CN1030878C Error detection system |
01/30/1996 | US5488637 Decoding method and apparatus having optimum decoding paths |
01/30/1996 | US5488633 Intersymbol interference channel coding scheme |
01/30/1996 | US5488617 Data processor system based on an (n, k) symbol code having symbol error correctibility and plural error mendability |
01/30/1996 | US5488616 System for providing reversible variable length codes |
01/30/1996 | CA2154848A1 Multilevel weighted transmission method and multilevel weighted transmission and reception apparatus |
01/25/1996 | WO1996002100A1 Trellis coded modulation system for hdtv |
01/25/1996 | WO1996002091A1 Method and apparatus for speech transmission in a mobile communications system |