| 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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| 07/19/1995 | EP0663775A2 Method and apparatus for communicating multilevel modulated data using concatenated coding |
| 07/19/1995 | EP0663731A2 Method and device for determining hamming distance between two multi-bit digital words |
| 07/19/1995 | EP0663119A1 Ram based architecture for ecc circuits |
| 07/19/1995 | EP0663085A1 Method and apparatus for reduced-complexity viterbi-type sequence detectors |
| 07/19/1995 | EP0663084A1 Fault tolerant memory system |
| 07/19/1995 | EP0403566B1 Decoder ring system |
| 07/19/1995 | CN1105510A Method and apparatus for coherent communication in a spread-spectrum communication system |
| 07/18/1995 | US5434886 Digital communication system |
| 07/11/1995 | US5432820 Maximum-likelihood decoding method and device |
| 07/11/1995 | US5432804 Digital processor and viterbi decoder having shared memory |
| 07/11/1995 | US5432803 Maximum likelihood convolutional decoder |
| 07/11/1995 | US5432801 Method and apparatus for performing multiple simultaneous error detection on data having unknown format |
| 07/11/1995 | US5432800 Methods and apparatuses for transmission and reception of information signals |
| 07/06/1995 | WO1995018495A1 Device for establishing cell boundaries in a bit stream and crc calculation |
| 07/06/1995 | WO1995018489A1 Convolutional interleaver and deinterleaver |
| 07/06/1995 | DE4400193A1 Detecting repeating burst type in given time frame |
| 07/05/1995 | EP0661841A2 Parity and syndrome generation for error and correction in digital communication systems |
| 07/05/1995 | EP0661840A2 Viterbi decoder using decreasing length tracebacks |
| 07/05/1995 | EP0660978A1 A data decoder and method for use therein using a dynamically indexed channel state metric |
| 07/05/1995 | EP0603373A4 Improved trellis coding technique to increase adjacent channel interference protection ratio in land mobile radio systems under peak power constraints. |
| 07/04/1995 | US5430768 Maximum likelihood detector for a disc drive PRML read channel |
| 07/04/1995 | US5430767 Method and apparatus for deinterleaving digital transmission data |
| 07/04/1995 | US5430744 Method and means for detecting partial response waveforms using a modified dynamic programming heuristic |
| 07/04/1995 | US5430741 Repeated decoding of product code during successive tape head rotation periods |
| 07/04/1995 | US5430739 Real-time Reed-Solomon decoder |
| 06/30/1995 | CA2136039A1 Method and apparatus to increase efficiency of systematic codes |
| 06/28/1995 | EP0660558A2 Interleaving method and apparatus for digital data transmission in GSM-networks |
| 06/28/1995 | EP0660543A2 System and method of adaptive maximum likelihood sequence estimation |
| 06/28/1995 | EP0660535A2 Apparatus for uniformly correcting erasure and error of received word by using a common polynomial |
| 06/28/1995 | EP0660534A2 Error correction systems with modified viterbi decoding |
| 06/28/1995 | EP0660533A2 Method and apparatus for a reduced iteration decoder |
| 06/28/1995 | EP0659314A1 Encoding data |
| 06/27/1995 | US5428646 Device and method for frame synchronization in a multi-level trellis coding system |
| 06/27/1995 | US5428631 Method and apparatus for resolving phase ambiguities in trellis coded modulated data |
| 06/27/1995 | US5428628 Modular implementation for a parallelized key equation solver for linear algebraic codes |
| 06/27/1995 | US5428617 Data transmission system for portable terminal device |
| 06/22/1995 | DE4439281C1 Digital data transmission method |
| 06/21/1995 | EP0659002A1 Method and circuit for the transmission of voice signals |
| 06/21/1995 | EP0658983A2 Encoding or decoding device comprising a paged memory |
| 06/21/1995 | EP0658896A2 Apparatus and methods for improving data detection reliability |
| 06/20/1995 | US5426654 Channel data CRC systems for use with cross connect equipment |
| 06/15/1995 | WO1995016315A1 Soft error correction in a tdma radio system |
| 06/15/1995 | WO1995016311A1 Block interleaving and deinterleaving method and device therefor |
| 06/15/1995 | WO1995016310A1 A data transmission method, cdma transmitter, and cdma receiver |
| 06/15/1995 | WO1995015038A3 Communication method in a radio telephone system |
| 06/15/1995 | CA2154253A1 Soft error correction in a tdma radio system |
| 06/14/1995 | EP0658012A2 Subband encoding/decoding apparatus and method |
| 06/14/1995 | EP0337985B1 Computational method and apparatus for finite field multiplication |
| 06/13/1995 | US5425038 Error plus single bit error detection |
| 06/13/1995 | US5425037 Data transmission apparatus |
| 06/13/1995 | US5424881 Synchronous read channel |
| 06/13/1995 | CA2031643C Bch code decoder and method for decoding a bch code |
| 06/13/1995 | CA1335906C Viterbi decoder |
| 06/07/1995 | EP0656712A1 Viterbi equaliser using variable length tracebacks |
| 06/07/1995 | CN1103521A Noncoherent receiver employing a dual-maxima metric generation process |
| 06/06/1995 | US5422895 Cross-checking for on-the-fly Reed Solomon error correction code |
| 06/06/1995 | US5422894 Method for decoding data |
| 06/06/1995 | US5422761 Disk drive with redundant recording |
| 06/06/1995 | US5422760 Disk drive method using zoned data recording and PRML sampling data detection with digital adaptive equalization |
| 06/06/1995 | CA2039285C Method and device for sequentially decoding digital streams coded by a convolution type error correction code |
| 06/01/1995 | WO1995015038A2 Communication method in a radio telephone system |
| 06/01/1995 | WO1995015034A1 Device for estimating soft judgement value and device for estimating maximum likelihood system |
| 06/01/1995 | DE4437790A1 Channel modulation process for finite state machine with error correction and entropy coding |
| 05/31/1995 | EP0655843A1 Digital receiver with minimum cost index register |
| 05/31/1995 | EP0655739A2 Information signal recording method |
| 05/31/1995 | EP0655738A2 Error correction circuit |
| 05/31/1995 | EP0655685A1 Parity bit calculation device associated with a sum of two numbers |
| 05/30/1995 | US5420889 Decoding using a linear metric and interference estimation |
| 05/30/1995 | US5420873 Apparatus for decoding BCH code for correcting complex error |
| 05/30/1995 | US5420872 Apparatus for concealing error in transform coding of a motion picture |
| 05/30/1995 | CA2049619C Bit error ratio detector |
| 05/24/1995 | EP0654910A1 Method for detecting information bits processed by concatenated block codes |
| 05/24/1995 | EP0654732A1 Galois field multiplication method and multiplier utilizing the same |
| 05/24/1995 | EP0654191A1 Apparatus and methods employing distribution preserving tomlinson precoding in transmission of digital data signals |
| 05/24/1995 | DE4435833A1 Information channel data encoding, transmission, storage and decoding e.g. for HDTV signal |
| 05/24/1995 | CN1102921A Method and apparatus for detecting bit rate in variable bit rate communication |
| 05/23/1995 | US5418798 Multidimensional trellis-coded communication system |
| 05/23/1995 | US5418795 Viterbi decoder with path metric comparisons for increased decoding rate and with normalization timing calculation |
| 05/17/1995 | EP0653889A2 Transport apparatus for compressed video signal |
| 05/17/1995 | EP0653867A1 Viterbi equaliser using a power and time saving trace-back method |
| 05/17/1995 | EP0653849A2 Efficient utilization of present state/next state registers |
| 05/17/1995 | EP0653848A2 Digital signal processor |
| 05/17/1995 | EP0653847A2 Digital processor and viterbi decoder having shared memory |
| 05/17/1995 | EP0653715A2 Digital signal processor |
| 05/16/1995 | US5416804 Digital signal decoder using concatenated codes |
| 05/16/1995 | US5416788 Error burst detection |
| 05/16/1995 | US5416787 Method and apparatus for encoding and decoding convolutional codes |
| 05/16/1995 | US5416786 Error correction circuit for BCH codewords |
| 05/16/1995 | US5416600 Concealing method of video signal |
| 05/11/1995 | WO1995012943A1 Method and apparatus for the transmission of variable rate digital data |
| 05/11/1995 | WO1995012941A1 Method for improved security of crc encryption system |
| 05/11/1995 | WO1995012921A1 Cyclical redundancy check method and apparatus |
| 05/11/1995 | WO1995012850A1 Reed-solomon decoder |
| 05/11/1995 | WO1995012849A1 Burst error corrector |
| 05/11/1995 | WO1995012845A1 Finite field inversion |
| 05/11/1995 | DE4338247A1 Method and circuit arrangement for error correction |
| 05/10/1995 | EP0652643A2 Apparatus and method for trellis decoder |
| 05/10/1995 | EP0651926A1 Transmitting and receiving apparatus and method including punctured convolutional encoding and decoding |
| 05/09/1995 | US5414795 High efficiency digital data encoding and decoding apparatus |
| 05/09/1995 | US5414738 Maximum likelihood paths comparison decoder |