| 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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| 10/16/1997 | WO1997038368A1 Method and apparatus for deinterleaving an interleaved data stream |
| 10/15/1997 | EP0801503A2 Multiple mode trellis decoder for a digital signal processing system |
| 10/15/1997 | EP0801502A2 Code sequence detection in a trellis decoder |
| 10/15/1997 | EP0801501A2 Viterbi decoder for digital packet signals |
| 10/15/1997 | EP0801484A2 Improvements in or relating to signal processing |
| 10/15/1997 | EP0801469A2 Digital packet data trellis decoder |
| 10/15/1997 | EP0729674A4 Cyclical redundancy check method and apparatus |
| 10/15/1997 | CN1162380A Method for demodulating digitally modulated data signals |
| 10/15/1997 | CN1162238A Lattice image-removing device of convolutional decoder of voice lattice code in multi-channel receiver |
| 10/14/1997 | US5677933 Digital signal encoding/decoding apparatuses and related methods |
| 10/14/1997 | US5677919 Faster linear block decoding apparatus and method for receivers in digital cellular communication and other systems |
| 10/09/1997 | WO1997037471A1 Method and apparatus for determining coding rate in a wireless communication system |
| 10/09/1997 | WO1997037470A1 Slice predictor for a signal receiver |
| 10/09/1997 | WO1997037434A1 Convolutional interleaving with reduced memory requirements and address generator therefor |
| 10/09/1997 | DE19610163A1 Convolution decoder synchronising method for data and digitalised radio program signal |
| 10/08/1997 | EP0800287A2 A transmission system for digital audio broadcasting |
| 10/08/1997 | EP0800280A1 Soft decision viterbi decoding in two passes with reliability information derived from a path-metrics difference |
| 10/08/1997 | EP0800279A2 Signal decoding for either Manhattan or Hamming metric based Viterbi decoders |
| 10/08/1997 | EP0654191A4 Apparatus and methods employing distribution preserving tomlinson precoding in transmission of digital data signals. |
| 10/07/1997 | US5675591 Reverse checksum method for telecommunication systems |
| 10/07/1997 | US5675590 Cyclic trellis coded modulation |
| 10/07/1997 | US5675585 Method and system for interleaving and deinterleaving SDH frames |
| 10/02/1997 | WO1997036377A1 Apparatus and method for adaptive forward error correction in data communications |
| 10/01/1997 | EP0798891A2 Identification number issuing device and identification number verification device |
| 10/01/1997 | EP0798890A2 Error correcting apparatus for digital data and digital sync. detecting apparatus |
| 10/01/1997 | EP0798889A2 Error control method and error control device for digital communication |
| 10/01/1997 | EP0798867A2 Viterbi decoding |
| 10/01/1997 | EP0797877A1 Digital transmission system for encoding and decoding attribute data into error checking symbols of main data |
| 10/01/1997 | EP0797826A1 Apparatus for decoding a channel signal into an information signal and reproducing arrangement provided with the apparatus |
| 10/01/1997 | EP0329775B1 High bandwidth reed-solomon encoding, decoding and error correcting circuit and method |
| 10/01/1997 | CN1160956A Identification number issuing device and identification number verification device |
| 09/30/1997 | US5673363 Error concealment method and apparatus of audio signals |
| 09/30/1997 | US5673294 Adaptive maximum likelihood sequence estimation apparatus and adaptive maximum likelihood sequence estimation method |
| 09/30/1997 | US5673291 Simultaneous demodulation and decoding of a digitally modulated radio signal using known symbols |
| 09/30/1997 | US5673288 System and method for adaptive maximum likelihood sequence estimation |
| 09/30/1997 | US5673154 Digital transmission signal processing system and recording/reproducing system |
| 09/30/1997 | CA2037027C Forward error correction code system |
| 09/24/1997 | EP0797307A2 Depuncturing circuit |
| 09/24/1997 | EP0575422B1 Error burst detection |
| 09/24/1997 | CN1160321A Method, encoder and decoder for transmission of digital signals which are hierarchically structured into plurality of parts |
| 09/23/1997 | US5671255 Method and apparatus for determining coding rate in a wireless communication system |
| 09/23/1997 | US5671253 Apparatus for demodulating and decoding video signals encoded in different formats |
| 09/23/1997 | US5671250 Autorate method for simultaneous transmission of voice data |
| 09/23/1997 | US5671238 Method and circuitry for generating r-bit parallel CRC code for an l-bit data source |
| 09/23/1997 | US5671237 Cyclical redundancy check method and apparatus |
| 09/23/1997 | US5671236 Apparatus and methods for use in transmitting and receiving a digital signal, and a record carrier obtained by a transmission apparatus or method |
| 09/23/1997 | US5671228 System for detecting non-coincidence of codes |
| 09/18/1997 | WO1997034421A1 Data transmission using atm over hybrid fiber coax |
| 09/18/1997 | WO1997034389A1 Effective bypass of error control decoder in a digital radio system for testing or upgrading existing equipment |
| 09/18/1997 | WO1997034380A1 Method and apparatus for estimating a channel parameter in a digital radio frequency communication system |
| 09/18/1997 | WO1997028607A3 Data transfer method and transceiver equipment |
| 09/18/1997 | DE19610164A1 Interleaver matrix synchronisation method |
| 09/18/1997 | CA2250179A1 Effective bypass of error control decoder in a digital radio system for testing or upgrading existing equipment |
| 09/17/1997 | EP0795160A1 Neural network binary code recognizer |
| 09/17/1997 | EP0770284A4 Encoding data with variable block lengths |
| 09/17/1997 | CN1159626A Error check-code forming method and device |
| 09/16/1997 | US5668976 Error correction method and apparatus for disk drive emulator |
| 09/16/1997 | US5668831 For the reception of data packets |
| 09/16/1997 | US5668820 Digital communication system having a punctured convolutional coding system and method |
| 09/12/1997 | WO1997033376A1 Method and apparatus for generating a transform |
| 09/12/1997 | CA2248339A1 Method and apparatus for generating a transform |
| 09/10/1997 | CN1159260A Sound decoding device |
| 09/10/1997 | CN1159109A Error control method and error control device for digital communication |
| 09/10/1997 | CN1159103A Maximum-likelihood decoding |
| 09/09/1997 | US5666468 Neural network binary code recognizer |
| 09/09/1997 | US5666380 Digital communication system and method of compressing information |
| 09/09/1997 | US5666370 High performance error control coding in channel encoders and decoders |
| 09/09/1997 | US5666369 Method and arrangement of determining error locations and the corresponding error patterns of received code words |
| 09/09/1997 | US5666170 Apparatus for decoding video signals encoded in different formats |
| 09/03/1997 | EP0793371A1 Differential orthogonal demodulation providing soft input for Viterbi decoding |
| 09/03/1997 | EP0793354A2 Integrated structure of a convolutional Viterbi decoder |
| 09/03/1997 | EP0793353A2 Survivor memory device in Viterbi decoder using trace deletion method |
| 09/03/1997 | EP0793352A2 Apparatus for determining the error evaluator polynomial for use in a Reed-Solomon decoder |
| 09/03/1997 | EP0793351A1 Apparatus for computing error correction syndromes |
| 09/03/1997 | EP0793350A1 Polynomial evaluator for use in a reed-solomon decoder |
| 09/03/1997 | EP0793174A2 Error detection and correction method and apparatus for computer memory |
| 09/03/1997 | EP0792540A2 A system for decoding digital data using a variable decision depth |
| 09/03/1997 | CN1158676A Versatile error correction system |
| 09/03/1997 | CN1158519A Apparatus for computing error correction syndromes |
| 09/03/1997 | CN1158518A Polynomial evaluator for use in reed-solomon decoder |
| 09/02/1997 | US5663952 Checksum generation circuit and method |
| 08/28/1997 | WO1997031446A1 Method and apparatus for detection of errors in multiple-word communications |
| 08/27/1997 | EP0792053A1 Digital transmission system using continuous phase modulation |
| 08/27/1997 | EP0791249A2 Transmitter and receiver apparatus, method for transmitting and method for receiving and record carrier obtained by the method or the transmitter apparatus |
| 08/26/1997 | US5661760 Wide biphase digital servo information detection, and estimation for disk drive using servo Viterbi detector |
| 08/26/1997 | US5661734 Trellis coded FM digital communications system and method |
| 08/26/1997 | US5661707 Method and apparatus for recording an information signal with scrambling thereof |
| 08/26/1997 | CA2098934C Circular limiter |
| 08/24/1997 | CA2198194A1 Viterbi decoding method and viterbi decoding circuit |
| 08/21/1997 | WO1997030530A1 Process for editing of data, in particular for transmission with variable channel bit rate |
| 08/21/1997 | WO1997030519A2 A method for enhancing data transmission |
| 08/21/1997 | DE19605418A1 Verfahren zur Aufbereitung von Daten, insbesondere für die Übertragung mit veränderlicher Kanalbitrate A method of preparing data, in particular for the transmission with variable channel bit rate |
| 08/20/1997 | EP0790741A2 Video compression method and system |
| 08/20/1997 | EP0790710A2 Method for rapid validation and coding of cyclic codes |
| 08/20/1997 | EP0669026A4 Method and apparatus for detecting bad frames of information in a communication system. |
| 08/20/1997 | CN1157515A Wireless receiving system |
| 08/19/1997 | US5659580 Data interleaver for use with mobile communication systems and having a contiguous counter and an address twister |
| 08/19/1997 | US5659579 Multilevel coding for fractional bits |
| 08/19/1997 | US5659557 Reed-Solomon code system employing k-bit serial techniques for encoding and burst error trapping |
| 08/19/1997 | US5659309 Data recording/reproducing apparatus having viterbi decoder and method thereof |