| 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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| 12/31/1997 | WO1997050198A1 Methods for generating side information in the presence of time-selective fading |
| 12/31/1997 | WO1997050191A1 Method and apparatus for rate determination in a communication system |
| 12/31/1997 | WO1997050184A1 Reed solomon error correcting circuit and method and device for euclidean mutual division |
| 12/31/1997 | WO1997050183A1 Variable length coding with error protection |
| 12/31/1997 | WO1997050179A1 M=10 (2,10), d=3.75 runlength limited code for multi-level data |
| 12/31/1997 | CN1169218A Digital communication system having punctured convolutional coding system and method |
| 12/31/1997 | CA2258346A1 Methods for generating side information in the presence of time-selective fading |
| 12/30/1997 | US5703911 Decoding method for trellis codes with large free distances |
| 12/30/1997 | US5703889 High efficiency coding signal processing apparatus with error propagation influence reduction |
| 12/30/1997 | US5703887 Synchronization and error detection in a packetized data stream |
| 12/30/1997 | US5703886 Error detecting apparatus for packet exchange |
| 12/30/1997 | US5703882 Cyclic line coding apparatus for error detection and frame recovery |
| 12/30/1997 | CA2068270C Compact device for correcting a header error in atm cells |
| 12/29/1997 | EP0814565A2 Vector trellis coded modulation using vector convolutional codes for reliable data transmission |
| 12/29/1997 | EP0814463A2 Method and apparatus for writing and reading optical recording medium |
| 12/29/1997 | EP0813768A1 Slope, drift and offset compensation in zero-if receivers |
| 12/24/1997 | CN1168600A Multiple mode trellis decoder for digital signal processing system |
| 12/24/1997 | CN1168571A Vettebee decoder survival memory using trace cancelling method |
| 12/23/1997 | US5701314 On-the-fly error correction using thermal asperity erasure pointers from a sampled amplitude read channel in a magnetic disk drive |
| 12/18/1997 | WO1997048097A1 A method and apparatus for trackwise burst error correction in a multitrack storage format |
| 12/17/1997 | EP0813309A2 Systematic convolutional interleavers and deinterleavers |
| 12/17/1997 | EP0813308A2 Trace-back method and apparatus for use in a viterbi decoder |
| 12/17/1997 | EP0812501A1 Multi-rate and multiple-modulation format data receiving apparatus and method of deinterleaving data |
| 12/17/1997 | CN1168059A Digital packet data trellis decoder |
| 12/17/1997 | CN1168031A Viterbi decoder for digital packet signals |
| 12/17/1997 | CN1167981A Apparatus and method for decoding coded digital signal |
| 12/17/1997 | CN1167971A Sector data decoding method and circuit in CD-Rom drive |
| 12/16/1997 | US5699369 Adaptive forward error correction system and method |
| 12/16/1997 | US5699368 Error-correcting encoder, error-correcting decoder, and data transmitting system with error-correcting codes |
| 12/16/1997 | US5699365 Apparatus and method for adaptive forward error correction in data communications |
| 12/16/1997 | US5699203 Digital transmission signal processing system and recording reproducing system |
| 12/16/1997 | US5699062 Transmission code having local parity |
| 12/11/1997 | WO1997047104A1 Process for computer-aided resignalling in an automatic repeat request |
| 12/11/1997 | DE19700510A1 Memory card with error correction capability |
| 12/10/1997 | EP0811195A1 Method and apparatus for encoding and decoding a digital radio signal |
| 12/10/1997 | EP0643889A4 Method and apparatus for coherent communication in a spread-spectrum communication system. |
| 12/10/1997 | CN1167382A Transmission system for digital audio-frequency broadcasting |
| 12/10/1997 | CN1167373A Multinominal evaluation device used for Read-Solomon decoder |
| 12/09/1997 | CA2050123C Apparatus and method for parallel generation of cyclic redundancy check (crc) codes |
| 12/04/1997 | WO1997045968A1 Method of and apparatus for interference rejection combining and downlink beamforming in a cellular radiocommunications system |
| 12/03/1997 | EP0527772B1 Forward error correction code system |
| 12/03/1997 | CN1166755A Code sequence detection in trellis decoder |
| 12/02/1997 | US5694429 Mobile radio communication system |
| 12/02/1997 | US5694407 Method and an apparatus for modifying a FCS |
| 12/02/1997 | US5694405 Encoder and decoder of an error correcting code |
| 12/02/1997 | US5694404 Error-correcting virtual receiving buffer apparatus |
| 12/02/1997 | US5694330 Error correction method including erasure correction, and apparatus therefor |
| 11/26/1997 | EP0808538A1 Iterative-structure digital signal reception device, and module and method therefor |
| 11/25/1997 | US5692021 Encoding digital data |
| 11/25/1997 | US5692020 Signal processing apparatus and method |
| 11/25/1997 | US5691995 Transmission of data by using convolutional coding of different code rates and the encoded data reception including decoding of the received data |
| 11/25/1997 | US5691993 Rate 4/5 trellis code for PR4 channels with improved error propagation |
| 11/25/1997 | US5691992 Punctured coding system for providing unequal error protection in a digital communication system |
| 11/20/1997 | WO1997043835A1 Read error recovery utilizing ecc and read channel quality indicators |
| 11/20/1997 | WO1997043834A1 Method for decoding data signals using fixed-length decision window |
| 11/19/1997 | EP0808029A2 Apparatus for determining an error locator polynomial for use in a Reed-Solomon decoder |
| 11/19/1997 | EP0807336A1 Method for forming transition metrics and a receiver of a cellular radio system |
| 11/19/1997 | CN1165440A Data decording apparatus |
| 11/18/1997 | US5689532 Reduced complexity EPR4 post-processor for sampled data detection |
| 11/18/1997 | US5689518 Method and an apparatus to modify CRC in intermediate high speed network nodes |
| 11/18/1997 | US5689511 Data receiver for receiving code signals having a variable data rate |
| 11/18/1997 | US5689451 Device for calculating parity bits associated with a sum of two numbers |
| 11/13/1997 | WO1997042716A1 Data communications systems and methods using interspersed error detection bits |
| 11/13/1997 | WO1997030519A3 A method for enhancing data transmission |
| 11/12/1997 | EP0806839A1 Device and method for error correcting coding, and device and method for error correcting decoding |
| 11/12/1997 | EP0806838A1 Polynomial evaluator for use in a reed-solomon decoder |
| 11/12/1997 | EP0806086A2 A digital communication system having a punctured convolutional coding system and method |
| 11/12/1997 | CN1164941A CRC/EDC checker system |
| 11/11/1997 | US5687188 Method of producing an adjusted metric |
| 11/11/1997 | US5687184 Method and circuit arrangement for speech signal transmission |
| 11/11/1997 | US5687182 Error detection and correction device |
| 11/11/1997 | US5687181 Parallel data transmission unit using byte error correcting code |
| 11/11/1997 | US5687164 Decoder employing viterbi decoding method for decoding coded multi-valued signal |
| 11/06/1997 | WO1997041670A1 Method and apparatus for data transmission using multiple transmit antennas |
| 11/05/1997 | EP0804846A1 Synchronous detection of wide bi-phase coded servo information for disk drive |
| 11/05/1997 | EP0804836A1 Method and apparatus for the formatting of data for transmission |
| 11/04/1997 | US5684915 Digital VTR for recording special replay data with appended error correction codes |
| 11/04/1997 | US5684832 Maximum likelihood differential detecting method and differential detector thereof |
| 11/04/1997 | US5684811 Method and apparatus for decoding convolutionally encoded information |
| 11/04/1997 | US5684810 Error correcting decoder and error correction decoding method |
| 10/30/1997 | WO1997040588A1 Method and apparatus for interference rejection with different beams, polarizations, and phase references |
| 10/30/1997 | WO1997040583A1 An optimal soft-output decoder for tail-biting trellis codes |
| 10/30/1997 | WO1997040582A1 Parallel concatenated tail-biting convolutional code and decoder therefor |
| 10/30/1997 | CA2251843A1 Method and apparatus for interference rejection with different beams, polarizations, and phase references |
| 10/29/1997 | EP0803158A1 Wide biphase digital servo information, detection, and estimation for disk drive using viterbi detection |
| 10/29/1997 | CN1163684A Multipurpose error correction calculation circuit |
| 10/29/1997 | CN1163515A Error detecting circuit based on variable threshold value of signal quality for digital receiver |
| 10/29/1997 | CN1163513A Variable code rate vitaby decoder |
| 10/28/1997 | US5682395 Method and apparatus for correcting and decoding a sequence of branches representing encoded data bits into estimated information bits |
| 10/23/1997 | WO1997029486A3 Encoder for digital data storage |
| 10/22/1997 | EP0802650A2 Error-robust multiplexing method |
| 10/22/1997 | EP0802636A2 Method and apparatus for error correction |
| 10/22/1997 | EP0802634A2 Viterbi decoding method and circuit therefor |
| 10/22/1997 | CN1162882A Method for identifying digital data stream errors from transmitter to receiver |
| 10/22/1997 | CN1162874A Viterbi decoding method and circuit therefor |
| 10/22/1997 | CN1162873A Viterbi decoder |
| 10/21/1997 | US5680419 Method of and apparatus for interference rejection combining in multi-antenna digital cellular communications systems |
| 10/21/1997 | US5680340 Low order first bit serial finite field multiplier |
| 10/17/1997 | CA2189209A1 Viterbi decoding method and circuit therefor |
| 10/16/1997 | WO1997038495A1 Data block convolutional coding device and method, and corresponding decoding method and device |