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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02/24/1997 | CA2183401A1 Method and apparatus for distinguishing control channel from traffic channels |
02/22/1997 | CA2183778A1 Method for interleaving data frames, forward error correcting device and modulator including such a device |
02/20/1997 | WO1997006624A1 Matched spectral null encoder/decoder |
02/20/1997 | WO1997001841A3 Method of and system for interleaving real-time files |
02/19/1997 | EP0758825A1 Method and apparatus for generating dc-free sequences with conveying partial information by the sequence of codeword digital sums of successive codewords |
02/19/1997 | CN1143296A Signal processing system |
02/19/1997 | CN1143288A Error detection and correction system for stream of encoded data |
02/19/1997 | CN1143286A Communication device with improved echo and noise control in quantization channel |
02/18/1997 | US5604772 Transmission system and modem utilizing coded modulation |
02/18/1997 | US5604752 Communication method and apparatus therefor |
02/18/1997 | US5604724 Maximum likelihood estimation using reference and spontaneous output peaks of partial response equalizer |
02/13/1997 | WO1997005702A1 Data element interleaving/deinterleaving |
02/12/1997 | EP0758167A1 Weighted output decoding process using the Viterbi algorithm in blocks |
02/11/1997 | US5602934 Adaptive digital image signal filtering |
02/11/1997 | US5602875 Method and apparatus for encoding and decoding information in a digtial communication system |
02/11/1997 | US5602858 Digital signal decoding apparatus having a plurality of correlation tables and a method thereof |
02/11/1997 | US5602857 Error correction method and apparatus |
02/11/1997 | US5602767 Galois field polynomial multiply/divide circuit and a digital signal processor incorporating same |
02/11/1997 | US5602591 System for generating a weighting coefficient using inter-frame difference signals at a center pixel for detecting motion information and at pixels surrounding the center pixel and quantizing the difference signal at the center pixel |
02/05/1997 | EP0757455A2 Data transmission system with cyclic redundancy checksum value |
02/05/1997 | EP0757448A2 Method for transmitting discrete information signals |
02/04/1997 | US5600754 Method and system for the arrangement of vocoder data for the masking of transmission channel induced errors |
02/04/1997 | US5600677 Trellis coded modulation system for digital television signal |
02/04/1997 | US5600664 Information reproducing apparatus |
02/04/1997 | US5600663 Adaptive forward error correction system |
02/04/1997 | US5600662 Error correction method and apparatus for headers |
02/04/1997 | US5600659 Low cost symbol error correction coding and decoding |
01/30/1997 | WO1997003518A1 Apparatus for decoding video signals encoded in different formats |
01/30/1997 | WO1997003509A1 Apparatus for demodulating and decoding video signals |
01/29/1997 | EP0756385A2 Error correction method and apparatus based on two-dimensional code array with reduced redundancy |
01/29/1997 | CN1141561A Temporal-spatial error concealment apparatus and method for video signal processors |
01/28/1997 | US5598432 Equalizing received signal samples by receiving input in a first register at a first rate greater than or equal to the transmission rate and further receiving samples into a plurality of register at a second rate lower than the first rate |
01/28/1997 | US5598424 Error detection structure and method for serial or parallel data stream using partial polynomial check |
01/28/1997 | US5598422 Digital computer having an error correction code (ECC) system with comparator integrated into re-encoder |
01/28/1997 | US5598155 Variable length decoding method and apparatus |
01/23/1997 | WO1997002529A1 Method and apparatus to protect data within a disk drive buffer |
01/22/1997 | EP0755123A2 A GMD (generalised minimum distance) decoding apparatus and method therefor |
01/22/1997 | EP0755122A2 Method and device for fixing an adaptive interrupt criterion with iterative decoding of multidimensional coded information |
01/22/1997 | EP0754379A1 Method and apparatus for robust communications based upon angular modulation |
01/22/1997 | EP0754341A1 A method and apparatus for protecting data from mis-synchronization errors |
01/22/1997 | EP0754320A1 Circuit arrangement comprising a permutation unit and method of processing a batch of items |
01/22/1997 | EP0720759A4 Programmable redundancy/syndrome generator |
01/22/1997 | EP0516772B1 Process for digital video display and reproduction by the helical-scannning method |
01/22/1997 | CN1141108A Trellis coded modulation system for HDTV |
01/22/1997 | CN1141101A Convolutional interleaver and deinterleaver |
01/22/1997 | CN1141100A Digital transmission and recording system with simple error correction |
01/22/1997 | CN1140881A Data recording/reproducing apparatus corresponding to plurality of error correcting system and data recording medium |
01/21/1997 | US5596589 Method and apparatus for encoding and decoding error correction codes in a radio communication system |
01/16/1997 | WO1997001888A1 Transmission system with improved decoding of a block code |
01/16/1997 | WO1997001842A1 Signal recording/reproduction apparatus and method of changing error recovery process execution sequence |
01/16/1997 | WO1997001841A2 Method of and system for interleaving real-time files |
01/15/1997 | EP0753968A2 Moving picture transmission system and moving picture transmission apparatus |
01/15/1997 | EP0753942A2 Word-wise processing for reed-solomon codes |
01/15/1997 | EP0753219A1 Decoding method |
01/15/1997 | EP0727066A4 Finite field inversion |
01/15/1997 | CN1140514A Method and system for data communication, using M-ary modulation scheme and inleaving means |
01/15/1997 | CN1140363A Error correction coding and decoding method, and circuit using said method |
01/15/1997 | CN1140277A Apparatus for detecting and correcting cyclic redundancy check errors |
01/14/1997 | US5594743 Fifo buffer system having an error detection and correction device |
01/14/1997 | US5594742 Bidirectional trellis coding |
01/14/1997 | CA2074595C Method and apparatus for using orthogonal coding in a communication system |
01/09/1997 | WO1997000972A1 Method and apparatus for determining a mutation |
01/09/1997 | CA2224719A1 Method and apparatus for determining a mutation |
01/08/1997 | EP0752769A1 Bit error rate monitoring in receiver with error correction |
01/08/1997 | EP0752760A1 Puncturing convolutional encoder and depuncturer, both without FIFO buffer and rate conversion |
01/08/1997 | EP0752654A2 Checksum generation circuit and method |
01/08/1997 | CN1139999A Transmission system utilizng different coding principles |
01/07/1997 | US5592498 CRC/EDC checker system |
01/07/1997 | US5592492 Convolutional interleaving/de-interleaving method and apparatus for data transmission |
01/07/1997 | US5592404 For use with a buffer obtaining data in the form of codewords |
01/03/1997 | WO1997000564A2 Communication system for superimposing data onto a video signal |
01/03/1997 | WO1997000559A1 Dedicated alu architecture for 10-bit reed-solomon error correction module |
01/03/1997 | WO1996023360A3 A digital communication system having a punctured convolutional coding system and method |
01/03/1997 | CA2224238A1 Communication system for superimposing data onto a video signal |
01/02/1997 | EP0751643A1 Method and devices for the transmission of data with transmission error checking |
01/02/1997 | EP0751625A2 Viterbi decoder with L=2 best decoding paths |
01/02/1997 | EP0751522A2 A rate 16/17 (d=0, G=6/I=7) modulation code for a magnetic recording channel |
01/02/1997 | EP0751519A2 A reduced complexity EPR4 post-processor for sampled data detection |
01/02/1997 | DE19626076A1 Viterbi decoder for error control of digital data transmission in digital cellular networks |
01/01/1997 | CN1139503A Device for establishing cell boundaries in a bit stream and CRC calculation |
01/01/1997 | CN1139319A Rotationally invariant trellis coding incorporating transparent binary convolutional codes |
12/31/1996 | US5590138 Encoding and decoding apparatus |
12/31/1996 | CA2070997C Error detection system |
12/27/1996 | WO1996042052A1 Method and apparatus for detecting duplicate entries in a look-up table |
12/27/1996 | EP0750401A2 Convolutional coder |
12/27/1996 | EP0750400A1 Syndrome computing circuit |
12/27/1996 | EP0750399A2 Cyclic redundancy coder |
12/27/1996 | EP0750306A2 A method of maximum likelihood decoding and a digital information playback apparatus |
12/27/1996 | CA2179082A1 Viterbi decoder with l=2 best decoding paths |
12/25/1996 | CN1138930A Simultaneous demodulation and decording of a digitally modulated radio signal |
12/25/1996 | CN1138795A Signal processing apparatus and method |
12/24/1996 | US5588028 Simplified trellis decoder |
12/24/1996 | US5588011 Tuned viterbi detector and equalizer system |
12/24/1996 | US5588010 Parallel architecture error correction and conversion system |
12/19/1996 | WO1996041424A1 High speed cyclical redundancy check system using a programmable architecture |
12/19/1996 | WO1996041341A1 Trellis code with improved error propagation |
12/19/1996 | DE19521327A1 Secure information transmission method using multi-component coding |
12/18/1996 | EP0749211A2 Method and coding device for a secure transmission of data by means of a multi-component coding |
12/18/1996 | EP0748538A1 Interleaving with low-speed memory |
12/18/1996 | CN1138396A Method and apparatus for decoder optimization |