| 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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| 04/06/1993 | US5200962 Data compression with error correction |
| 04/06/1993 | US5200961 Error detection and/or correction device |
| 04/01/1993 | WO1993006662A1 Method for coding and decoding a digital message |
| 04/01/1993 | WO1993006550A1 Viterbi decoder bit efficient chainback memory method and decoder incorporating same |
| 03/31/1993 | WO1993007688A1 Viterbi equalizer for radio receiver |
| 03/30/1993 | CA1315403C Error location system |
| 03/25/1993 | DE4130907A1 Cyclic code generator circuit with feedback shift registers - composed of alternate EXCLUSIVE=OR-gates and memories with different error syndromes given by binary polynomials |
| 03/24/1993 | EP0533363A2 Non-linear encoder and decoder for information transmission through non-linear channels |
| 03/24/1993 | EP0533204A2 Information recording/reproducing apparatus for converting and processing data exceeding error correction ability at recording |
| 03/23/1993 | US5196849 Method and apparatus for implementing PRML codes with maximum ones |
| 03/23/1993 | CA1314998C Apparatus useful for correction of single bit errors and detection of double bit errors in the transmission of data |
| 03/23/1993 | CA1314996C Method and apparatus for decoding reed-solomon code |
| 03/23/1993 | CA1314995C Method and apparatus for decoding reed-solomon code |
| 03/23/1993 | CA1314977C Sector mis-synchronization detection method |
| 03/18/1993 | WO1993005502A1 Error protection for multimode speech coders |
| 03/17/1993 | EP0365555B1 Method and apparatus for error correction |
| 03/16/1993 | US5195099 Semiconductor memory device having improved error correcting circuit |
| 03/16/1993 | US5195098 Binary data error correction using hint signal |
| 03/10/1993 | EP0531046A2 Multi-subcarrier modulation for HDTV transmission |
| 03/09/1993 | US5193102 Method and apparatus for improving detection of data bits in a slow frequency hopping communication system |
| 03/09/1993 | US5192949 Digital data transmission system having error detecting and correcting function |
| 03/03/1993 | EP0529909A2 Error correction encoding/decoding method and apparatus therefor |
| 03/03/1993 | EP0529718A1 Digital signal transmission system using concatenated codes and receiver and decoder used for this system |
| 03/03/1993 | EP0529051A1 Method and apparatus for providing high data rate traffic channels in a spread spectrum communication system |
| 03/03/1993 | EP0114938B1 On-the-fly multibyte error correction |
| 03/02/1993 | US5191598 System for reducing the affects of signal fading on received signals |
| 02/25/1993 | DE4136091A1 Synchronising code words of cyclic, non-binary, corrected code - dividing symbol sequence to be decoded into code words with determined number of symbols |
| 02/25/1993 | DE4136090A1 Synchronising code words of cyclic, corrected code - dividing symbol sequence to be decoded into code words with preset number of sequential symbols |
| 02/24/1993 | EP0528471A2 Inconsistency-protected multiprocessor system with broadcasting of symbol-error protected code words |
| 02/24/1993 | EP0527772A1 Forward error correction code system |
| 02/10/1993 | EP0527025A2 Circuit and method of error detection and correction in data words with checkbits |
| 02/09/1993 | US5185711 Apparatus for dividing elements of a finite galois field and decoding error correction codes |
| 02/03/1993 | EP0525641A2 Communication system using trellis coded QAM |
| 02/03/1993 | CN1068689A High efficiency digital data encoding and decoding apparatus |
| 02/02/1993 | CA1313400C Apparatus and method for a data transmission apparatus to recognize whether or not a remote data transmission apparatus has an error control function |
| 01/27/1993 | EP0524756A2 Iterative sequence estimation technique |
| 01/27/1993 | EP0524625A2 Method and apparatus for communicating compressed video using trellis coded QAM |
| 01/27/1993 | EP0524306A1 Method for the binary coding of points of a constellation used in a multicarrier modulation of the ofdm type |
| 01/27/1993 | EP0524237A1 Data alignment |
| 01/27/1993 | CN1068454A Data error-correction decoding method and apparatus thereof |
| 01/26/1993 | US5182753 Method of transmitting signaling messages in a mobile radio communication system |
| 01/26/1993 | CA1313267C Conversion filtering for digital signalling systems |
| 01/21/1993 | WO1993001548A1 Modified viterbi detector with run-length code constraint |
| 01/20/1993 | EP0523969A1 Error correction encoding and decoding system |
| 01/20/1993 | EP0523816A2 Apparatus for transmitting streams of information bits and methods for estimating the most likely sequence sent |
| 01/20/1993 | EP0523571A1 Advanced code error detection apparatus and system using maximal-length pseudorandom binary sequence |
| 01/19/1993 | US5181209 Method for generalizing the viterbi algorithm and devices for executing the method |
| 01/19/1993 | US5181207 Error correction mechanism using pattern predictive error correction codes |
| 01/19/1993 | CA1312954C Apparatus for computing multiplicative inverses in data encoding and decoding devices |
| 01/19/1993 | CA1312953C Reed solomon error correction code encoder |
| 01/14/1993 | DE4220196A1 Error correction system for semiconductor memory - uses syndrome signal to provide correction signal for each stored data group |
| 01/12/1993 | US5179561 Totally self-checking checker |
| 01/12/1993 | US5179560 Apparatus for decoding bch code for correcting complex error |
| 01/07/1993 | WO1992020162A3 Method and apparatus for resolving phase ambiguities in trellis coded modulated data |
| 01/07/1993 | EP0521744A2 Maximum likelihood decoder |
| 01/02/1993 | CA2068159A1 Generalized viterbi algorithm with tail-biting |
| 12/30/1992 | EP0520969A2 Maximum likelihood sequence estimation for a mobile digital cellular radio receiver |
| 12/30/1992 | EP0240363B1 Error correction methods |
| 12/28/1992 | CA2068964A1 Maximum likelihood sequence estimation based equalization within a mobile digital cellular receiver |
| 12/23/1992 | EP0519669A2 Encoding and rebuilding data for a DASD array |
| 12/22/1992 | US5173926 Convolutionally-encoded quadrature frequency-modulation system |
| 12/22/1992 | US5173902 Method of establishing an inverse pilot-sequence for deinterleaving as used in digital transmission |
| 12/09/1992 | EP0517141A2 High efficiency coding signal processing apparatus with error propagation influence reduction |
| 12/09/1992 | EP0517074A2 Information recording/reproduction apparatus and method for recording and/or reproducing information onto and/or from recording medium using probe electrodes |
| 12/08/1992 | US5170401 High integrity single transmission line communication system for critical aviation information |
| 12/08/1992 | US5170400 System for the storage and recovery of digital data |
| 12/08/1992 | US5170399 Reed-Solomon Euclid algorithm decoder having a process configurable Euclid stack |
| 12/02/1992 | EP0516133A2 Adaptive maximum likelihood sequence estimator using channel estimators of respective order of impulse response |
| 12/01/1992 | US5168509 Quadrature amplitude modulation communication system with transparent error correction |
| 11/26/1992 | WO1992021086A1 Binary data error correction using hint signal |
| 11/25/1992 | EP0514777A2 A disparity detection circuit for a 2-bit to 4-bit coded signal decoder |
| 11/25/1992 | EP0166269B1 Error correction method and system for multiple bit output chips |
| 11/24/1992 | WO1992021085A1 Method for error correction of a transmitted data word |
| 11/24/1992 | US5167034 Information processing system |
| 11/24/1992 | US5166938 Error correction circuit using a design based on a neural network model comprising an encoder portion and a decoder portion |
| 11/24/1992 | CA2084884A1 Method for error correction of a transmitted data word |
| 11/24/1992 | CA1310757C Method for editing a high-rate convolutional code for transmission and its reconversion at the receiver |
| 11/17/1992 | US5164963 Communicating television information |
| 11/17/1992 | US5164961 Method and apparatus for adapting a viterbi algorithm to a channel having varying transmission properties |
| 11/17/1992 | CA1310421C High bandwidth reed-solomon encoding, decoding and error correcting circuit |
| 11/12/1992 | WO1992020162A2 Method and apparatus for resolving phase ambiguities in trellis coded modulated data |
| 11/11/1992 | EP0512641A1 Decoder device |
| 11/10/1992 | WO1992020174A1 Device and method for asynchronous cyclic redundancy checking for digital receivers |
| 11/10/1992 | US5162797 Viterbi decoder |
| 11/10/1992 | CA1310126C Decoding method and device with erasure detection for multilevel transmission systems |
| 11/10/1992 | CA1310112C Apparatus for decoding error correcting code |
| 11/04/1992 | CN1065947A Random recombined multidimensional testing method |
| 11/03/1992 | US5161171 Digital data transmitting apparatus |
| 11/03/1992 | US5161163 Method and apparatus for providing error correction to symbol level codes |
| 10/29/1992 | WO1992019046A1 EEPROM MEMORY SYSTEMS FOR 'n OUT OF m' CODES |
| 10/28/1992 | EP0511141A1 Error correction encoding method comprising at least two parallel systematic convolutional encoding, iterative decoding method, decoding module and decoder therefor |
| 10/28/1992 | EP0511139A1 Decoding process for a maximum likelihood convolutional code and weighting of the decisions, and decoder therefor |
| 10/28/1992 | CN1065765A Signal weighting system for digital receiver |
| 10/27/1992 | US5159608 Method and apparatus for using orthogonal coding in a communication system |
| 10/27/1992 | CA1309495C Method and system for correcting long bursts of consecutive errors |
| 10/21/1992 | EP0509430A1 Error correcting system |
| 10/21/1992 | EP0491868A4 Error detection for fiber distributed interfaced optic link |
| 10/20/1992 | US5157671 Semi-systolic architecture for decoding error-correcting codes |
| 10/20/1992 | US5157669 Comparison of an estimated CRC syndrome to a generated CRC syndrome in an ECC/CRC system to detect uncorrectable errors |
| 10/15/1992 | WO1992017970A1 Channel codec apparatus and method utilizing flat codes |