| 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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| 10/11/1994 | US5355376 Circular viterbi decoder |
| 10/11/1994 | US5355132 Method for transmitting digital data |
| 10/05/1994 | EP0618727A1 Encoder and decoder |
| 10/04/1994 | US5353289 Fault judging device comprising a compression circuit for compressing output pattern signals of a circuit model |
| 09/28/1994 | EP0617558A2 Apparatus for concealing errors in data |
| 09/27/1994 | US5351274 Post detection selection combining diversity receivers for mobile and indoor radio channels |
| 09/27/1994 | US5351249 Trellis coded FM digital communications system and method |
| 09/27/1994 | US5351246 Method and means for coding and rebuilding that data contents of unavailable DASDs or rebuilding the contents of DASDs in error in the presence of reduced number of unavailable DASDs in a DASD array |
| 09/27/1994 | US5351245 In a digital radio communication system |
| 09/27/1994 | US5351231 Programmable mark detection and windowing for optical disk controllers |
| 09/21/1994 | EP0616470A2 Transmission system and apparatus for receiving digital television signals |
| 09/21/1994 | EP0344213B1 Viterbi decoder with reduced number of data move operations |
| 09/20/1994 | US5349608 Viterbi ACS unit with renormalization |
| 09/20/1994 | US5349589 Generalized viterbi algorithm with tail-biting |
| 09/20/1994 | CA2032867C Maximum likelihood sequence estimation apparatus |
| 09/15/1994 | WO1994021065A1 Method and apparatus for coherent communication in a spread-spectrum communication system |
| 09/15/1994 | WO1994020961A1 Apparatus for reproducing information |
| 09/13/1994 | CA2092608A1 Moam trellis coded modulation technique using industry standard viterbi decoder rate 1/2 and additional simple logic |
| 09/07/1994 | EP0614294A1 Method for generating a frame check sequence |
| 09/06/1994 | US5345451 Cyclic redundancy check operating method and a head error checker synchronizing unit in an asynchronous transfer mode switching process |
| 09/06/1994 | US5345342 Disk drive using PRML synchronous sampling data detection and asynchronous detection of embedded sector servo |
| 09/06/1994 | CA1331888C Apparatus for decoding a digital signal |
| 08/31/1994 | EP0612432A1 Method and apparatus for detecting and correcting errors in data on magnetic tape media |
| 08/31/1994 | CN1091569A A dual mode radio communication unit |
| 08/31/1994 | CN1091535A Method and apparatus for transmiting of datiums of correcting code |
| 08/30/1994 | US5343500 Non-linear encoder and decoder for information transmission through non-linear channels |
| 08/30/1994 | US5343481 BCH error-location polynomial decoder |
| 08/24/1994 | EP0612166A2 A method and apparatus for error-control coding in a digital data communications system |
| 08/23/1994 | US5341401 Method of detecting the channel identity of a number of channels in a mobile radio system |
| 08/23/1994 | US5341386 Viterbi equalizer and recording/reproducing device using the same |
| 08/23/1994 | US5341385 Method and apparatus for decoding Reed-Solomon code |
| 08/23/1994 | US5341384 Error detection method using CRC |
| 08/23/1994 | US5341249 Disk drive using PRML class IV sampling data detection with digital adaptive equalization |
| 08/18/1994 | WO1994018752A1 Method and apparatus of adaptive maximum likelihood sequence estimation using a variable convergence step size |
| 08/18/1994 | WO1994018670A1 Synchronous read channel |
| 08/18/1994 | WO1994018622A1 Fault tolerant memory system |
| 08/18/1994 | CA2144980A1 Fault tolerant memory system |
| 08/17/1994 | EP0611208A2 Information storage disc and information recording and reproducing apparatus |
| 08/17/1994 | EP0611098A2 Circular viterbi decoder for tail-biting convolutional codes |
| 08/17/1994 | EP0611054A2 Polynominal-set deriving apparatus and method |
| 08/17/1994 | EP0611048A2 Method and arrangement for determining byte error rate |
| 08/17/1994 | EP0610648A2 Multilevel code communication equipment |
| 08/17/1994 | CN1090940A Adjustable error-correction composite reed-solomon encoder/syndrome generator |
| 08/10/1994 | EP0609595A1 Method and apparatus for verifying CRC codes |
| 08/04/1994 | WO1994017596A1 Method and system for performing transmission of digital data by coding bit information into the shape of a pulse and decoding the bit information from the shape of the pulse |
| 08/04/1994 | WO1994017472A1 Error detector circuit for receiver operative to receive discretely-encoded signals |
| 08/03/1994 | EP0609188A2 Erasure decoder and decoding method for use in a concatenated error correcting scheme for data transmission systems |
| 08/03/1994 | EP0608848A2 Cyclic coding and cyclic redundancy code check processor |
| 08/03/1994 | EP0608637A1 Adjustable error-correction system |
| 08/02/1994 | US5335235 FIFO based parity generator |
| 07/27/1994 | EP0608079A2 System for prevention of erroneous detection of synchronization in a data transmission system with forward error correction |
| 07/26/1994 | CA2113941A1 Error correcting decoder and decoding method for receivers in digital cellular communications systems |
| 07/20/1994 | EP0607042A2 Error concealment apparatus for video signal processors |
| 07/20/1994 | EP0606724A1 Extended list output and soft symbol output viterbi algorithms |
| 07/20/1994 | EP0606622A2 Viterbi decoding method and Viterbi decoding apparatus |
| 07/19/1994 | US5331665 Decoder device for decoding convolutionally encoded message |
| 07/19/1994 | US5331664 Device for processing the Viterbi algorithm comprising a processor and a dedicated operator |
| 07/19/1994 | US5331645 Expandable digital error detection and correction device |
| 07/13/1994 | EP0605786A1 Method and device for error coding data transmission |
| 07/12/1994 | US5329552 Method of binary encoding the points of a constellation used in a multicarrier modulation of OFDM type |
| 07/12/1994 | US5329551 Overlapped multilevel codes |
| 07/12/1994 | US5329547 Method and apparatus for coherent communication in a spread-spectrum communication system |
| 07/12/1994 | US5329537 Method of maximum likelihood decoding with sub-sampled decoding trellis, and corresponding decoding device |
| 07/12/1994 | US5329536 Method and apparatus for sequentially decoding a digital stream encoded by a convolution type error-correcting code |
| 07/12/1994 | US5329535 Variable block lengths on-the-fly error correcting decoder |
| 07/12/1994 | US5329534 "System, devices and algorithms for the error correction in digital transmission" |
| 07/07/1994 | WO1994015427A1 Method and apparatus of adaptive maximum likelihood sequence estimation using filtered correlation synchronization |
| 07/07/1994 | WO1994015407A1 Efficient crc remainder coefficient generation and checking device and method |
| 07/07/1994 | WO1994015406A1 Method of and circuit for correcting errors |
| 07/07/1994 | DE4344811A1 Gittercodierte Modulationsvorrichtung Lattice-coded modulation device |
| 07/06/1994 | EP0604567A1 Method for coding and decoding a digital message |
| 07/06/1994 | CN1025400C Method of reducing influence of fading of viterbi receiver having at least two antennas |
| 07/05/1994 | US5327441 Method and circuit for decoding convolutional codes |
| 07/05/1994 | US5327440 Viterbi trellis coding methods and apparatus for a direct access storage device |
| 07/05/1994 | US5327439 Efficiency of the Viterbi algorithm |
| 07/05/1994 | US5327436 Communication control system |
| 07/05/1994 | US5327227 De-interleaving method and apparatus for D2 MAC audio |
| 07/05/1994 | CA1330598C Bit and symbol timing recovery for sequential decoders |
| 06/29/1994 | EP0603932A1 Method and apparatus for implementing a quasi-product code with different degrees of protection against errors |
| 06/29/1994 | EP0603824A2 Method of and circuit for detecting synchronism in viterbi decoder |
| 06/29/1994 | EP0603373A1 Improved trellis coding technique to increase adjacent channel interference protection ratio in land mobile radio systems under peak power constraints |
| 06/28/1994 | US5325373 Apparatus for encoding and decoding reed-solomon code |
| 06/28/1994 | US5325372 Implementation of the HDLC CRC calculation |
| 06/28/1994 | US5325371 Coding/decoding apparatus |
| 06/28/1994 | US5325364 Method for error correction and circuit for realizing same |
| 06/22/1994 | EP0602249A1 Maximum likelihood sequence estimating device and method therefor |
| 06/21/1994 | US5323424 Multistage decoder |
| 06/21/1994 | US5323403 Method for generating identical dependent processes |
| 06/21/1994 | US5323402 Programmable systolic BCH decoder |
| 06/15/1994 | EP0306196B1 Method and apparatus for correcting errors in stored data |
| 06/14/1994 | US5321725 Method and apparatus for communicating digital information such as compressed video using treillis coded QAM |
| 06/14/1994 | US5321705 Error detection system |
| 06/14/1994 | US5321704 Error detection structure and method using partial polynomial check |
| 06/14/1994 | US5321703 Data recovery after error correction failure |
| 06/09/1994 | WO1994012932A1 Coding with modulation, error control, weighting, and bit allocation |
| 06/08/1994 | EP0600137A1 Method and apparatus for correcting errors in a memory |
| 06/08/1994 | EP0600095A1 Bit error counter and its counting method, and signal identifying device and its identifying method |
| 06/07/1994 | US5319649 Transmission systems and decoders therefor |
| 06/07/1994 | US5319463 Arrangement and method of preprocessing binary picture data prior to run-length encoding |
| 06/01/1994 | EP0599765A2 Disk drive with redundant recording |