| 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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| 08/14/1997 | WO1997029486A2 Encoder for digital data storage |
| 08/13/1997 | EP0788629A1 A galois field polynomial multiply/divide circuit and a digital signal processor incorporating same |
| 08/13/1997 | CN1157073A Method of and apparatus for interference rejection combining in multi-antenna digital cellular communications systems |
| 08/12/1997 | US5657354 Planar approximating method for computing the log-likelihood ratio optimal signal metric of each component code decoder in 8-PSK block coded modulation systems |
| 08/12/1997 | US5657333 Method and apparatus for error-control coding in a digital data communication system |
| 08/12/1997 | US5657331 Method and apparatus for the generation of simple burst error correcting cyclic codes for use in burst error trapping decoders |
| 08/07/1997 | WO1997028607A2 Data transfer method and transceiver equipment |
| 08/06/1997 | EP0788262A2 Combined equalizer and decoder |
| 08/06/1997 | EP0788241A2 Method for implementing the add-compare-select operation in a Viterbi decoder |
| 08/06/1997 | EP0787386A2 Sectorized communication system and methods useful therefor |
| 08/06/1997 | EP0787325A1 Error correction method and apparatus for disk drive emulator |
| 08/06/1997 | EP0632911A4 Error detector circuit for receiver operative to receive discretely-encoded signals. |
| 08/05/1997 | US5654986 Method and apparatus for decoding trellis coded QAM signals |
| 07/31/1997 | WO1997027675A1 Key equation solver circuit and reed-solomon decoder comprising same |
| 07/31/1997 | WO1997027535A1 Finite field multiplier circuit and use thereof in an error corrector decoder |
| 07/31/1997 | CA2244975A1 Finite field multiplier circuit and use thereof in an error corrector decoder |
| 07/31/1997 | CA2244004A1 Key equation solver circuit and reed-solomon decoder comprising same |
| 07/30/1997 | EP0786872A2 Viterbi decoder with reduced metric computation |
| 07/30/1997 | EP0786135A2 Method of and system for interleaving real-time files |
| 07/30/1997 | CN1155950A Data transmission system, data recording and reproducing apparatus and recording medium each having data structure of error correcting code |
| 07/29/1997 | US5652580 Method and apparatus for detecting duplicate entries in a look-up table |
| 07/24/1997 | WO1997026709A1 Electronic messaging system and method |
| 07/23/1997 | EP0785644A1 Method and apparatus for data transmission between two stations |
| 07/23/1997 | EP0785509A2 Method and apparatus for providing error-tolerant storage of information |
| 07/22/1997 | US5651032 Apparatus and method for trellis decoder |
| 07/22/1997 | US5651015 Apparatus and method for synchronization and error detection of received digital data bursts in a TDM/TDMA system |
| 07/17/1997 | WO1997025793A1 Data transmission method and equipment for encoding a signal |
| 07/17/1997 | WO1997025774A1 Method and apparatus for coherent channel estimation in a communication system |
| 07/16/1997 | CN1154755A Recording medium, data transmission method and apparatus, and data reproduction method and apparatus |
| 07/16/1997 | CN1154627A Device for correcting error of digital video machine by using 1 bit to erasing signals |
| 07/16/1997 | CN1154608A Digital audio signal processing apparatus and method |
| 07/16/1997 | CN1154554A Method for recording (sending)/reproducing (receiving) data, apparatus thereof, and data recording medium |
| 07/15/1997 | US5648921 Digital operational circuit with pathmetrics calculating steps simplified |
| 07/15/1997 | US5648822 For use in a television receiver |
| 07/10/1997 | WO1997024850A1 Method and apparatus for decoding an encoded signal |
| 07/10/1997 | WO1997024849A1 Method and apparatus for symbol decoding using a variable number of survivor paths |
| 07/10/1997 | WO1997024848A1 A method for identifying data transmission rate, and a receiver |
| 07/10/1997 | WO1997024828A1 Multi-rate and multiple-modulation format data receiving apparatus and method of deinterleaving data |
| 07/10/1997 | WO1997024813A1 Improved system for correction of three and four errors |
| 07/10/1997 | WO1997024812A1 Method for locating four errors in a reed-solomon or bch code |
| 07/10/1997 | CA2213293A1 Improved system for correction of three and four errors |
| 07/09/1997 | EP0783168A2 On-the-fly error correction using thermal asperity erasure pointers from a sampled amplitude read channel in a magnetic disk drive |
| 07/09/1997 | EP0782803A1 Method for demodulating digitally modulated data signals |
| 07/09/1997 | CN1154017A Digital radiocommunication receiver |
| 07/08/1997 | US5646963 Fast automatic gain control |
| 07/08/1997 | US5646950 Matched spectral null codes for partial response channels |
| 07/02/1997 | EP0782292A2 Receiver which ensures the proper separation of convolutionally encoded, multiplexed signals |
| 07/02/1997 | EP0782277A2 Speech frame disabling circuitry for protection against burst errors of interleaved TDMA frames |
| 07/02/1997 | EP0782138A2 Apparatus and method for decoding a coded digital signal |
| 07/02/1997 | EP0781481A1 Blind equalizing apparatus |
| 07/02/1997 | EP0781472A1 Multipurpose error correction calculation circuit |
| 07/02/1997 | EP0781471A1 Crc/edc checker system |
| 07/02/1997 | EP0781470A1 Versatile error correction system |
| 07/02/1997 | CN1153440A Digital signal decoding apparatus |
| 07/01/1997 | US5644603 Maximum-likelihood sequence estimator with variable number of states |
| 07/01/1997 | US5644595 Method and apparatus for an adaptive three tap transversal equalizer for partial-response signaling |
| 07/01/1997 | US5644569 Transmission of messages |
| 07/01/1997 | US5644307 Modulation method, recording method, reproducing method, recording and reproducing apparatus, recording and reproducing method, and reproducing apparatus |
| 06/25/1997 | EP0781051A2 Hierarchical transmission of digital image signals |
| 06/25/1997 | EP0780987A1 Coding/decoding system using multilevel block coded MAQ-16 modulation |
| 06/24/1997 | US5642369 Quick resynchronization receiver for sequential decoding of convolutional codes |
| 06/24/1997 | US5642368 Error protection for multimode speech coders |
| 06/24/1997 | US5642367 Finite field polynomial processing module for error control coding |
| 06/24/1997 | US5642366 Global parity symbol for interleaved reed-solomon coded data |
| 06/24/1997 | US5642365 Transmitter for encoding error correction codes and a receiver for decoding error correction codes on a transmission frame |
| 06/24/1997 | US5642347 Approach to direct performing asynchronous transfer mode (ATM) adaptation layer 5 reassembly |
| 06/20/1997 | CA2193404A1 Coding-decoding system using multilevel block-coded maq-16 modulation |
| 06/12/1997 | WO1997021275A1 Method for forming transition metrics and a receiver of a cellular radio system |
| 06/12/1997 | WO1997021172A1 Data integrity and cross-check code with logical block address |
| 06/11/1997 | EP0778561A2 Speech coding device |
| 06/11/1997 | EP0477377B1 Error detecting system |
| 06/11/1997 | CN1151797A Method and appts. for encoding and decoding a digital radio signal |
| 06/11/1997 | CN1151669A Signal determination, receiving device and method of signal determination, channel state inference |
| 06/10/1997 | US5638408 Variable transmission bit rate discrimination method and apparatus |
| 06/10/1997 | US5638386 Disk apparatus |
| 06/05/1997 | WO1997020395A1 A method and an arrangement for making fixed length codes |
| 06/03/1997 | US5636251 Receiver for a trellis coded digital television signal |
| 06/03/1997 | US5636224 Method and apparatus for interleave/de-interleave addressing in data communication circuits |
| 06/03/1997 | US5635933 Rate 16/17 (d=0,G=6/I=7) modulation code for a magnetic recording channel |
| 06/03/1997 | US5635864 Comparator circuit |
| 05/29/1997 | WO1997019518A1 Method and apparatus for conditionally combining bit metrics in a viterbi decoder for decoding a received information signal |
| 05/29/1997 | CA2238330A1 Method and apparatus for conditionally combining bit metrics in a viterbi decoder for decoding a received information signal |
| 05/28/1997 | EP0775405A1 Method of and apparatus for interference rejection combining in multi-antenna digital cellular communications systems |
| 05/28/1997 | EP0716790A4 Information transmission system and method of operation |
| 05/28/1997 | CN1150859A Data processing method and device for generating and recording error correction product code block |
| 05/27/1997 | US5633897 Digital signal processor optimized for decoding a signal encoded in accordance with a Viterbi algorithm |
| 05/27/1997 | US5633882 Error detection and correction circuit |
| 05/27/1997 | US5633881 Trellis encoder and decoder based upon punctured rate 1/2 convolutional codes |
| 05/27/1997 | US5633635 Method of processing code for error checking and code processing circuit |
| 05/22/1997 | WO1997011542A3 Process and circuit for processing useful data |
| 05/21/1997 | EP0774840A1 Information bit sequence transmission method with selective protection against transmission errors, transmission method using such a coding and correction method |
| 05/20/1997 | US5631915 In a data processor |
| 05/20/1997 | US5631914 Error correcting apparatus |
| 05/20/1997 | US5631909 Method and apparatus for determining burst errors in an error pattern |
| 05/20/1997 | US5631645 Symbol to byte converter |
| 05/14/1997 | EP0773630A1 Sound decoding device |
| 05/14/1997 | EP0773629A1 Method for detecting and correcting transmission error of digital signal |
| 05/14/1997 | EP0773628A1 Method and device for detecting and correcting any error in a sequence of numbers |
| 05/14/1997 | EP0772914A1 Method and apparatus for determining burst errors in an error pattern |
| 05/14/1997 | EP0537361B1 High efficiency digital data encoding and decoding apparatus |