| 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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| 01/25/1996 | WO1996002054A1 Signal modulation method, signal modulator, signal demodulation method and signal demodulator |
| 01/24/1996 | EP0318547B1 Real-time bch error correction code decoding mechanism |
| 01/24/1996 | CN1115465A Apparatus for reading optical data from a motion picture film and a light source therefor |
| 01/23/1996 | US5487077 Location dependent variable error correction processing for multi-track recording media using variable length coding means |
| 01/23/1996 | US5487075 High-speed staged decoder/quantizer |
| 01/23/1996 | US5486825 Convolutional encoders for modems which implement the "Cole code" |
| 01/17/1996 | CN1115148A An apparatus of digitally recording and reproducing video signals |
| 01/16/1996 | US5485476 Method and system for error tolerant synchronization character detection in a data storage system |
| 01/16/1996 | US5485472 Trellis codes with algebraic constraints for input restricted partial response channels |
| 01/16/1996 | US5485469 Signal recording and/or reproducing device for unequal quantized data with encoded bit count per frame control of writing and/or reading speed |
| 01/16/1996 | CA2153956A1 Transmission system and apparatus therefor |
| 01/11/1996 | DE19524863A1 Microprocessor with cyclic redundancy code checking |
| 01/10/1996 | EP0691770A2 Maximum-likelihood sequence estimator with variable number of states |
| 01/09/1996 | US5483541 Permuted interleaver |
| 01/09/1996 | US5483236 Method and apparatus for a reduced iteration decoder |
| 01/05/1996 | CA2153104A1 Digital operational circuit with pathmetrics calculating steps simplified |
| 01/03/1996 | EP0690585A1 Reed-Solomon decoder |
| 01/03/1996 | EP0690584A1 Circuit for locating errors in a Reed-Solomon decoder |
| 01/03/1996 | EP0646300B1 Method of detecting errors in digitized data-reduced audio and data signals |
| 01/02/1996 | US5481568 Data detecting apparatus using an over sampling and an interpolation means |
| 01/02/1996 | US5481566 Method and apparatus to increase efficiency of systematic codes |
| 01/02/1996 | US5481555 System and method for error detection and reducing simultaneous switching noise |
| 01/02/1996 | CA2011103C Apparatus for decoding bose-chanhuri-hocqueghem code for correcting complex errors |
| 12/28/1995 | WO1995035538A1 Method and system for encoding and decoding signals using a fast algebraic error correcting code |
| 12/27/1995 | EP0689312A2 Soft decision signal outputting receiver |
| 12/27/1995 | EP0689311A2 Method and system for forward error correction using convolutional codes and a maximum likelihood decoding rule |
| 12/27/1995 | EP0689295A1 A system comprising an encoder for coding words in a cyclic manner and comprising a decoder for decoding words which have been coded in a cyclic manner and also an encoder, and also a decoder, and also a method, and also an object |
| 12/26/1995 | US5479419 Adaptive maximum likelihood sequence estimator |
| 12/26/1995 | US5479416 Apparatus and method for error detection and correction in radio frequency identification device |
| 12/24/1995 | CA2152238A1 Viterbi decoding method and circuit with accelerated backtracing and efficient path metric calculation |
| 12/20/1995 | EP0688106A2 Decoder |
| 12/14/1995 | WO1995034135A1 A data conversion technique |
| 12/13/1995 | EP0687072A2 Faster linear block decoding apparatus and method for receivers in digital cellular communication and other systems |
| 12/12/1995 | US5475814 Self diagnosis of a SCSI controller through an I/O port for data transmission/data reception modes of operation |
| 12/12/1995 | US5475716 Method for communicating block coded digital data with associated synchronization/control data |
| 12/12/1995 | US5475388 Method and apparatus for using finite state machines to perform channel modulation and error correction and entropy coding |
| 12/11/1995 | CA2151408A1 Faster linear block decoding apparatus and method for receivers in digital cellular communication and other systems |
| 12/05/1995 | US5473727 Voice encoding method and voice decoding method |
| 12/05/1995 | US5473634 Signal converter and communication system |
| 12/05/1995 | US5473620 Programmable redundancy/syndrome generator |
| 12/05/1995 | US5473326 High speed lossless data compression method and apparatus using side-by-side sliding window dictionary and byte-matching adaptive dictionary |
| 12/05/1995 | CA2038472C System for suppressing spread of error generated in differential coding |
| 11/29/1995 | EP0684712A2 Line terminating equipment in SDH networks, using forward error correcting codes |
| 11/29/1995 | EP0663085A4 Method and apparatus for reduced-complexity viterbi-type sequence detectors. |
| 11/28/1995 | US5471501 Enhanced digital communications receiver using channel impulse estimates |
| 11/28/1995 | US5471500 Soft symbol decoding |
| 11/28/1995 | US5471486 Methods and devices for encoding data symbols in accordance with a BCH code to obtain a code word in which parity symbols are located in the middle of the code word |
| 11/28/1995 | US5471485 Reed-solomon decoder using discrete time delay in power sum computation |
| 11/23/1995 | DE4429585C1 Arithmetic decoding system for transmitted data |
| 11/22/1995 | EP0683585A1 Decision apparatus using MLSE |
| 11/22/1995 | EP0683584A1 Self-synchronizing scrambler/descrambler without error multiplication |
| 11/22/1995 | EP0682831A1 Soft error correction in a tdma radio system |
| 11/22/1995 | EP0682828A1 Block interleaving and deinterleaving method and device therefor |
| 11/22/1995 | CN1112336A Image signal decoding apparatus having an encoding error compensation |
| 11/21/1995 | US5469452 Viterbi decoder bit efficient chainback memory method and decoder incorporating same |
| 11/21/1995 | US5469448 Encoding/decoding circuit, and digital video system comprising the circuit |
| 11/21/1995 | CA2149489A1 Decision taking device using viterbi algorithm estimations for a radiocommunication system |
| 11/21/1995 | CA2038592C Synchronization circuit |
| 11/16/1995 | WO1995030956A1 Method and apparatus for encoding and decoding a digital radio signal |
| 11/16/1995 | DE4416625A1 Error correction method for linear block codes |
| 11/15/1995 | EP0682415A1 Punctured convolutional encoder |
| 11/15/1995 | EP0682414A1 Device for estimating soft judgement value and device for estimating maximum likelihood system |
| 11/15/1995 | CN1111863A Alogorithmic controlling method of blind balancing system |
| 11/15/1995 | CN1111861A Autorate method for simultaneous transmission of voice and data |
| 11/14/1995 | US5467370 Method and apparatus for an adaptive three tap transversal equalizer for partial-response signaling |
| 11/14/1995 | US5467359 Apparatus for generating and checking the error correction codes of messages in a message switching system |
| 11/14/1995 | US5467297 Finite field inversion |
| 11/09/1995 | DE19513719A1 Digitaler Videobandrekorder A digital video tape recorder |
| 11/08/1995 | EP0681381A1 Method and apparatus for modifying frame check sequences in intermediate high speed network nodes |
| 11/08/1995 | EP0681376A2 Methods of and devices for spread spectrum communication systems using forward error correction |
| 11/08/1995 | EP0681373A2 Convolutional interleaver with reduced memory requirements and address generator therefor |
| 11/08/1995 | EP0680675A1 Communication process in a radio telephone system |
| 11/08/1995 | CN1111469A Transmitting and receiving apparatus and method including punctured convolutional encoding and decoding |
| 11/07/1995 | US5465275 Efficient utilization of present state/next state registers |
| 11/07/1995 | US5465273 Modem utilizing parity and convolutional encoder feedback |
| 11/07/1995 | US5465267 Error-correcting tandem encoding system |
| 11/07/1995 | US5465261 RAM based architecture for ECC circuits |
| 11/07/1995 | US5465260 Dual purpose cyclic redundancy check |
| 11/02/1995 | EP0680218A2 Image signal decoding apparatus having an encoding error compensation |
| 11/02/1995 | EP0680209A2 Video image coding and recording apparatus and video image coding, recording and reproducing apparatus |
| 11/02/1995 | EP0680184A2 Method and apparatus for decoding trellis coded QAM signals |
| 11/02/1995 | EP0680158A1 Methods of and devices for spread spectrum communication systems using forward error correction |
| 11/02/1995 | EP0680157A1 Methods of and devices for spread spectrum communication systems using forward error correction |
| 11/02/1995 | EP0680034A1 Mobile radio communication system using a sound or voice activity detector and convolutional coding |
| 11/02/1995 | EP0457840B1 Adaptive data compression apparatus for a tape drive system |
| 11/01/1995 | CN1111048A Apparatus for use in equipment providing a digital radio link between a fixed and a mobile radio unit |
| 10/31/1995 | US5463714 Sound data interpolating circuit |
| 10/31/1995 | US5463654 Data receiver |
| 10/31/1995 | US5463646 Method for error correction of a transmitted data word |
| 10/31/1995 | US5463645 System for detecting non-coincidence of codes |
| 10/31/1995 | US5463642 Method and apparatus for determining error location |
| 10/31/1995 | US5463641 Tailored error protection |
| 10/31/1995 | US5463640 Device and method for decoding a stream of data symbols which are interleaved and subject to a discontinuity thereof involving labelling those data symbols which are suspect as a result of the discontinuity |
| 10/26/1995 | WO1995026602A3 Decoding method |
| 10/26/1995 | DE19514831A1 Information bit transfer system in local network with peripheral equipment |
| 10/25/1995 | EP0679000A1 Soft quantisation |
| 10/24/1995 | US5461644 Adaptive viterbi detector |
| 10/24/1995 | US5461639 Fast forward link power control in a code division multiple access system |
| 10/24/1995 | US5461632 Trellis coded FM digital communications system and method |
| 10/24/1995 | US5461631 Method for bit resynchronization of code-constrained sequences |