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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01/24/1995 | US5384560 Maximum likelihood sequence metric calculator |
01/19/1995 | WO1995002291A1 Improved device and method for precoding |
01/19/1995 | WO1995002283A1 Encoding data |
01/18/1995 | EP0634840A1 Unequal error protection for combined information signals |
01/17/1995 | US5383219 Fast forward link power control in a code division multiple access system |
01/17/1995 | US5383205 Semiconductor memory device having an error correction circuit and an error correction method of data in a semiconductor memory device |
01/17/1995 | US5383204 Parallel encoding apparatus and method implementing cyclic redundancy check and Reed-Solomon codes |
01/17/1995 | US5383203 Compact device for correcting a header error in ATM cells |
01/12/1995 | WO1995001683A1 Method and apparatus for detecting cyclic code |
01/11/1995 | EP0633679A1 Intersymbol interference channel coding scheme |
01/11/1995 | EP0632947A1 Method and apparatus of adaptive maximum likelihood sequence estimation using filtered correlation synchronization |
01/11/1995 | EP0632911A1 Error detector circuit for receiver operative to receive discretely-encoded signals |
01/10/1995 | US5381425 System for encoding and decoding of convolutionally encoded data |
01/10/1995 | US5381424 Method and apparatus for fault-tolerant identification of the header field of a recording device |
01/10/1995 | US5381423 Process and device for the decoding of a shortened, cyclic binary code using error correction |
01/10/1995 | US5381422 Device for correcting code error |
01/10/1995 | US5381274 Apparatus and method for recycling and reproducing a digital video signal |
01/05/1995 | WO1995001018A1 Receiver for a direct sequence spread spectrum orthogonally encoded signal employing rake principle |
01/05/1995 | WO1995001008A1 Bit error counting method and counter |
01/04/1995 | EP0632623A2 Adaptive maximum likelihood sequence estimator |
01/04/1995 | EP0632612A1 Error detection method using convolutional code and viterbi decoding |
01/04/1995 | EP0632376A2 Encoding and rebuilding the data content of up to two unavailable DASDs in a DASD array |
01/04/1995 | EP0631703A1 Efficient crc remainder coefficient generation and checking device and method |
01/04/1995 | CN1097079A Error correcting memory system |
01/04/1995 | CN1027335C Signal weighting system for digital receiver |
01/03/1995 | US5379415 Fault tolerant memory system |
01/03/1995 | US5379306 Viterbi decoding method |
01/03/1995 | US5379305 Error correction system with selectable error correction capabilities |
01/03/1995 | CA2127233A1 Adaptive maximum likelihood sequence estimator |
12/28/1994 | EP0631396A2 Real-time convolutional decoder with block synchronising function |
12/28/1994 | EP0631391A1 Decoded counter with error check and self-correction |
12/28/1994 | EP0393080B1 Hypersystolic reed-solomon encoder |
12/27/1994 | US5377208 Transmission system with random error and burst error correction for a cyclically coded digital signal |
12/27/1994 | US5377207 Mappings between codewords of two distinct (N,K) Reed-Solomon codes over GF (2J) |
12/27/1994 | US5377194 Multiplexed coded modulation with unequal error protection |
12/27/1994 | US5377133 System for enhanced implementation of add-compare-select (ACS) functions |
12/27/1994 | US5376969 Method and apparatus for conveying compressed video data over a noisy communication channel |
12/27/1994 | CA2045882C Convolutional code decoding circuit for the stocking and inverse scanning of the surviving paths of a viterbi algorithm |
12/26/1994 | CA2126374A1 Real-time convolutional decoder with block synchronizing function |
12/22/1994 | WO1994029990A1 Delay detecting method of maximum likelihood estimation and delay detector using it |
12/21/1994 | EP0630128A2 Autorate method for simultaneous transmission of voice and data |
12/21/1994 | EP0630117A2 Trellis coding in a simultaneous voice and data system |
12/21/1994 | EP0630016A2 A system and method for synchronisation character detection in a data storage system |
12/20/1994 | US5375129 For estimating a data symbol |
12/15/1994 | CA2125520A1 Trellis coding in a simultaneous voice and data system |
12/15/1994 | CA2125511A1 Autorate method for simultaneous transmission of voice and data |
12/14/1994 | EP0629068A1 4B6B coding scheme |
12/14/1994 | EP0629067A1 4B6B Coding |
12/14/1994 | EP0629066A1 Checksum arrangement |
12/14/1994 | EP0629060A1 Modifying check codes in data packet transmission |
12/14/1994 | EP0629052A1 Method of and circuit for correcting errors |
12/14/1994 | EP0629051A1 Digital information error correcting apparatus for correcting single errors(sec),detecting double errors(ded)and single byte multiple errors(sbd),and the correction of an odd number of single byte errors(odd sbc). |
12/13/1994 | US5373513 Shift correction code system for correcting additive errors and synchronization slips |
12/13/1994 | US5373512 Memory controller with parity generator for an I/O control unit |
12/13/1994 | US5373511 Method for decoding a reed solomon encoded signal with inner code and apparatus for doing same |
12/08/1994 | WO1994028656A1 Transmitting and receiving apparatus and method including punctured convolutional encoding and decoding |
12/08/1994 | WO1994028622A1 A data decoder and method for use therein using a dynamically indexed channel state metric |
12/08/1994 | WO1994028546A1 Method and device for correcting error in digital data |
12/08/1994 | WO1994027787A1 Grinding tape and method of manufacturing the same |
12/07/1994 | EP0627821A1 Method and apparatus for interleaving a sequence of data elements |
12/07/1994 | EP0627141A1 High speed modem systems incorporating distribution preserving tomlinson encoding and decoding for secondary channels |
12/06/1994 | US5371751 Method of correcting errors of coded data |
12/06/1994 | US5371750 Error-correction encoding and decoding system |
11/30/1994 | CN1026830C Method for genermation of parity symbols and circuit design for carrying out this process |
11/29/1994 | US5369671 System and method for decoding tail-biting code especially applicable to digital cellular base stations and mobile units |
11/29/1994 | US5369652 Error detection and correction having one data format recordable on record media using a diverse number of concurrently recorded tracks |
11/29/1994 | US5369650 Error detection and correction apparatus in a BY-4 RAM Device |
11/29/1994 | US5369641 Method and apparatus for detecting and correcting errors in data on magnetic tape media |
11/29/1994 | US5369535 Fixed block architecture disk file with improved position identification and error handling |
11/24/1994 | WO1994027390A1 Method and apparatus for encoding data |
11/24/1994 | DE4316813A1 Reed/Solomon decoder |
11/23/1994 | EP0625829A2 Post processing method and apparatus symbol reliability generation |
11/22/1994 | US5367666 Inconsistency-protected multiprocessor system with broadcasting of symbol-error protected code words |
11/22/1994 | US5367479 Divider device to divide a first polynomial by a second one |
11/22/1994 | US5367478 Mutual division circuit |
11/17/1994 | EP0624291A1 Error protection in a subband coder. |
11/17/1994 | EP0624275A1 Method and system for the arrangement of vocoder data for the masking of transmission channel induced errors |
11/15/1994 | US5365604 Error concealment apparatus for video signal processors |
11/15/1994 | US5365530 Error-correction encoding and decoding system |
11/15/1994 | US5365529 Circuitry for detecting and correcting errors in data words occurring in Reed-Solomon coded blocks and determining when errors are uncorrectable by syndrome analysis, Euclid's algorithm and a Chien search |
11/09/1994 | EP0624019A2 Trellis coded QAM using punctured convolutional codes |
11/09/1994 | EP0624018A1 Rotationally invariant multilevel coded systems |
11/08/1994 | US5363413 Data decoder and method for use therein using a dynamically indexed channel state metric |
11/08/1994 | US5363412 Method and apparatus of adaptive maximum likelihood sequence estimation using filtered correlation synchronization |
11/08/1994 | US5363099 Method and apparatus for entropy coding |
11/03/1994 | DE4342454A1 Verfahren zum Verarbeiten digitaler Bilddaten A method for processing digital image data |
11/02/1994 | EP0489035B1 Process and circuit for producing parity symbols |
11/02/1994 | CN1094553A Error detector circuit for receiver operative to receive discretely-encoded signals |
11/01/1994 | US5361266 Error correction circuit |
10/26/1994 | EP0621698A2 Error correction method including erasure correction, and apparatus therefore |
10/26/1994 | CN1094205A Error-correcting tandem encoding system |
10/25/1994 | US5359627 Channel codec apparatus and method utilizing flat codes |
10/25/1994 | US5359610 Error detection encoding system |
10/19/1994 | EP0620654A2 Decoder |
10/19/1994 | CN1093844A Method of and circuit for detecting synchronism in viterbi decoder |
10/18/1994 | US5357526 Method and apparatus for correcting errors of compressed data |
10/18/1994 | US5357524 Apparatus for converting a digital signal |
10/12/1994 | EP0619666A2 Rotationally invariant trellis coded modulation system |
10/12/1994 | EP0619654A2 Error correction by detection of a degree difference between dividend and divisor polynomials used in euclidean algorithm |
10/11/1994 | US5355379 Error protection for VLC coded data |