| 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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| 08/31/1999 | CA2165801C Receiver for a direct sequence spread spectrum orthogonally encoded signal employing rake principle |
| 08/31/1999 | CA2098772C Method and apparatus for communicating interleaved data |
| 08/25/1999 | EP0938214A2 Automatic equalization method and automatic equalizer |
| 08/25/1999 | EP0937337A1 Turbo-coding with staged data transmission and processing |
| 08/25/1999 | EP0937336A1 Soft decision output decoder for decoding convolutionally encoded codewords |
| 08/25/1999 | CN1226723A Apparatus for controlling address of symbol data for correcting error |
| 08/24/1999 | US5943348 Method to check for burst limiting in error correcting systems |
| 08/24/1999 | US5942005 Method and means for computationally efficient error and erasure correction in linear cyclic codes |
| 08/24/1999 | US5942002 Method and apparatus for generating a transform |
| 08/24/1999 | US5942001 Information processing apparatus |
| 08/19/1999 | WO1999041865A1 Modulating method, modulating device, demodulating method, and demodulating device |
| 08/19/1999 | WO1999041840A1 Method and apparatus for enhanced performance in a system employing convolutional decoding |
| 08/19/1999 | WO1999041839A1 A method and device for nonlinear likelihood sequence estimation |
| 08/18/1999 | EP0936826A2 Mobile communication network using convolutional encoding between base station and switching center |
| 08/18/1999 | EP0936772A2 Unequal error protection for perceptual audio coders |
| 08/18/1999 | EP0936743A1 Iterative decoding for binary block codes |
| 08/18/1999 | EP0936612A2 Optical disc recording/reproducing method, optical disc and optical disc device |
| 08/18/1999 | CN1044757C Method and circuit for detecting sychronism in viterbi decoder |
| 08/17/1999 | US5940863 Apparatus for de-rotating and de-interleaving data including plural memory devices and plural modulo memory address generators |
| 08/17/1999 | US5940479 System and method for transmitting aural information between a computer and telephone equipment |
| 08/17/1999 | US5940449 Signal processing system for digital signals |
| 08/17/1999 | US5940416 Digital signal decoding apparatus and a decoding method used therein |
| 08/17/1999 | US5940415 Error tolerant addressing system and method for noisy ATM links |
| 08/17/1999 | US5940412 Decoding method |
| 08/17/1999 | US5940411 Data shuffling method and apparatus for same |
| 08/17/1999 | US5940018 nB2P coding/decoding device |
| 08/17/1999 | US5938791 Device for detecting margin of information recording and reproducing apparatus |
| 08/17/1999 | US5938790 Sequence error event detection and correction using fixed block digital sum codes |
| 08/17/1999 | US5938788 Maximum likelihood decoding method and information reproducing apparatus corresponding thereto |
| 08/17/1999 | US5938787 Communications systems and methods employing code rate partitioning with nonorthogonal modulation |
| 08/17/1999 | CA2138697C System and method for adaptive maximum likelihood sequence estimation |
| 08/17/1999 | CA2124622C Digital communications system with symbol multiplexers |
| 08/11/1999 | EP0935363A1 Information data multiplexing transmission system, multiplexer and demultiplexer used therefor, and error correcting encoder and decoder |
| 08/11/1999 | EP0934640A1 Method and apparatus for processing data from multiple sources |
| 08/11/1999 | CN1225769A Sprial scrambling |
| 08/11/1999 | CN1225768A Method and apparatus for processing data from multiple sources |
| 08/11/1999 | CN1225530A Method for adding and encoding error correcting codes and its device and method for transmitting data having error correcting codes added |
| 08/11/1999 | CN1225491A Error correction method and system |
| 08/10/1999 | US5937016 Synchronization method in Viterbi decoder |
| 08/10/1999 | US5937015 Interference mitigation by joint decoding of overlapped signals |
| 08/10/1999 | US5936978 Shortened fire code error-trapping decoding method and apparatus |
| 08/10/1999 | US5936972 Syndrome-based channel quality or message structure determiner |
| 08/10/1999 | US5936558 Signal space detector for channels utilizing a code having time varying constraints |
| 08/10/1999 | US5935270 Method of reordering data |
| 08/10/1999 | US5935269 CRC code generation circuit, code error detection circuit and CRC circuit having both functions of the CRC code generation circuit and the code error detection circuit |
| 08/10/1999 | US5935268 Method and apparatus for generating an error detection code for a modified data packet derived from an original data packet |
| 08/10/1999 | US5935263 Method and apparatus for memory array compressed data testing |
| 08/10/1999 | CA2116736C Decoder selection |
| 08/05/1999 | WO1999039442A1 Precoding technique to lower the bit error rate (ber) of punctured convolutional codes |
| 08/05/1999 | WO1999039334A1 Error propagation suppressing method in decision feedback equalization and magnetic recording / reproducing apparatus using the method |
| 08/05/1999 | WO1997024848A9 A method for identifying data transmission rate, and a receiver |
| 08/04/1999 | EP0933896A2 Demodulation circuit including error correction |
| 08/04/1999 | EP0933768A1 Digital modulation and digital demodulation |
| 08/04/1999 | EP0932963A1 Method and apparatus for determining the rate of received data in a variable rate communication system |
| 08/04/1999 | EP0932937A1 A hardware-optimized reed-solomon decoder for large data blocks |
| 08/04/1999 | EP0629052B1 Method of and circuit for correcting errors |
| 08/04/1999 | CN1224895A Data storage system |
| 08/03/1999 | US5933571 Video image coding and recording apparatus and video image coding, recording and reproducing apparatus |
| 08/03/1999 | US5933463 Method and circuit for calculating metrics for an analog viterbi detector |
| 08/03/1999 | US5933462 Soft decision output decoder for decoding convolutionally encoded codewords |
| 08/03/1999 | US5933436 Error correction/detection circuit and semiconductor memory device using the same |
| 08/03/1999 | US5933431 For use in a communications system |
| 08/03/1999 | US5931968 Digital data recording channel |
| 08/03/1999 | US5931967 Method and apparatus for detection of errors in multiple-word communications |
| 08/03/1999 | US5931966 Viterbi detector with a pipelined look-up table of squared errors |
| 08/03/1999 | US5931965 Method of forward error correction coding for a data signal |
| 07/29/1999 | WO1999038170A1 Encoding method and memory device |
| 07/28/1999 | EP0932259A1 Iterative decoding on demand |
| 07/28/1999 | EP0932258A1 Method and circuit for digital modulation and method and circuit for digital demodulation |
| 07/28/1999 | EP0931383A2 Error correction with two block codes |
| 07/28/1999 | EP0931382A1 Method and apparatus for decoding block codes |
| 07/28/1999 | CN1224546A Turbo-coding with staged data transmission and processing |
| 07/28/1999 | CN1224545A Method for decoding data signals using fixed-length decision window |
| 07/27/1999 | US5930448 Tracking control circuit and method in digital image recording and reproducing device using bit error rate |
| 07/27/1999 | US5930298 Viterbi decoder for decoding depunctured code |
| 07/27/1999 | US5930272 Block decoding with soft output information |
| 07/27/1999 | US5928378 Add-compare-select processor in Viterbi decoder |
| 07/27/1999 | US5928375 Method for enhancing data transmission in parity based data processing systems |
| 07/22/1999 | WO1999037031A1 High-speed syndrome calculation |
| 07/22/1999 | WO1999037030A1 High-speed calculation of cyclical redundancy check sums |
| 07/22/1999 | WO1999013587A8 A high speed cache management unit for use in a bridge/router |
| 07/22/1999 | WO1998052287A3 Signal space detector for channels utilizing a code having time varying constraints |
| 07/21/1999 | EP0930738A2 Optimal complementary punctured convolutional codes for use in digital audio broadcasting and other applications |
| 07/21/1999 | EP0930718A2 Tandem operation of input/output data compression modules |
| 07/21/1999 | EP0929942A1 A method of data protection |
| 07/21/1999 | CN1223515A Rate changeable communication system and receiving/transmitting device adated to said system |
| 07/20/1999 | US5926489 Non-equalized digital receiver using block decoding with erasure and error correction |
| 07/20/1999 | US5926488 Method and apparatus for decoding second order reed-muller codes |
| 07/15/1999 | WO1999035752A2 Method and apparatus for decoding punctured trellis code modulated data |
| 07/15/1999 | WO1999035751A1 Electronic communications system and method |
| 07/15/1999 | WO1999035750A1 Fault tolerant memory system |
| 07/15/1999 | WO1999035575A1 A physical block address recovery apparatus, system and method for cyclic error correction codes |
| 07/15/1999 | WO1999023779A3 Composite trellis system and method |
| 07/14/1999 | EP0928521A1 Method and apparatus for detecting bad data packets received by a mobile telephone using decoded speech parameters |
| 07/14/1999 | EP0928520A1 Error detection scheme for arq systems |
| 07/14/1999 | CN1223035A Reception method and receiver |
| 07/13/1999 | US5923713 Viterbi decoder |
| 07/13/1999 | US5923711 Data processor |
| 07/13/1999 | US5923708 Decoding circuit for a read signal from a magnetic recording and reading system using partial response |
| 07/13/1999 | US5923679 Error correction encoder, error correction decoder, and communication system |