| 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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| 09/21/1993 | US5247363 Error concealment apparatus for hdtv receivers |
| 09/20/1993 | WO1993019519A1 Method and apparatus for estimating signal weighting parameters in a receiver |
| 09/16/1993 | WO1993018589A1 Data recovery after error correction failure |
| 09/07/1993 | US5243629 Multi-subcarrier modulation for hdtv transmission |
| 09/07/1993 | US5243627 Signal point interleaving technique |
| 09/07/1993 | US5243605 Modified viterbi detector with run-length code constraint |
| 09/07/1993 | US5243604 On-the-fly error correction |
| 09/07/1993 | CA1322056C Error correction circuit |
| 09/01/1993 | EP0558310A1 Apparatus for converting a digital signal |
| 08/31/1993 | US5241563 Method and apparatus for communicating interleaved data |
| 08/31/1993 | US5241548 Method for error correction of a transmitted data word |
| 08/31/1993 | US5241546 On-the-fly error correction with embedded digital controller |
| 08/25/1993 | EP0556354A1 Error protection for multimode speech coders |
| 08/24/1993 | CA1321651C2 Method and apparatus for processing information data |
| 08/19/1993 | WO1993016537A1 High speed modem systems incorporating distribution preserving tomlinson encoding and decoding for secondary channels |
| 08/19/1993 | CA2129030A1 High speed modem systems incorporating distribution preserving tomlinson encoding and decoding for secondary channels |
| 08/17/1993 | US5237574 Error-resilient information encoding |
| 08/11/1993 | EP0555013A2 Modulo decoder |
| 08/11/1993 | EP0554638A2 Method and apparatus for implementing PRML codes with maximum ones |
| 08/11/1993 | EP0167627B1 Method and apparatus for decoding error correction code |
| 08/10/1993 | US5235220 Majority decision method and circuit wherein least possible flip-flops are used |
| 08/05/1993 | WO1993015562A1 Error protection in a subband coder |
| 08/05/1993 | WO1993015502A1 Method and system for the arrangement of vocoder data for the masking of transmission channel induced errors |
| 08/04/1993 | EP0554078A1 Digital signal recording and reproducing apparatus and digital signal recording and reproducing method |
| 08/04/1993 | EP0553530A2 Information recording/reproducing apparatus using an optical recording medium |
| 08/03/1993 | US5233630 Method and apparatus for resolving phase ambiguities in trellis coded modulated data |
| 08/03/1993 | US5233629 Method and apparatus for communicating digital data using trellis coded qam |
| 08/03/1993 | US5233349 Signal transmission system |
| 07/29/1993 | DE4202140A1 Digital audio signal transmission using sub-band coding - inserting extra fault protection signal, or fault protection bit into data frame |
| 07/28/1993 | EP0553050A1 Maximum likelihood decoding process with subsampled decoding trellis, and decoding device therefor |
| 07/28/1993 | EP0552979A2 Apparatus and method for de-interleaving data |
| 07/28/1993 | EP0552861A2 Modifying check codes in data packet transmission |
| 07/28/1993 | EP0552781A2 Voice signal communication with burst error reduction |
| 07/22/1993 | CA2087585A1 Voice signal communication with burst error reduction |
| 07/21/1993 | EP0551973A2 Triple orthogonally interleaved error correction system |
| 07/21/1993 | EP0551646A2 Concatenated block and convolution encoder-decoder |
| 07/20/1993 | US5230003 Decoding system for distinguishing different types of convolutionally-encoded signals |
| 07/20/1993 | US5229767 Decoder for convolutionally encoded information |
| 07/20/1993 | CA1320582C Sequential decoder |
| 07/13/1993 | US5228061 Fast maximum likelihood decoder |
| 07/13/1993 | US5227992 Operational method and apparatus over GF(2m) using a subfield GF(2.sup. |
| 07/08/1993 | WO1993013614A1 Novel device and method for precoding___________________________ |
| 07/07/1993 | EP0550143A2 MLSE for mobile radio channels |
| 07/07/1993 | EP0339166B1 Extended errors correcting device having single package error correcting and double package error detecting codes |
| 07/07/1993 | CN1074068A Viterbi decoder bit efficient chainback memory method and decoder incorporating same |
| 07/06/1993 | US5226084 Methods for speech quantization and error correction |
| 07/06/1993 | US5226043 Apparatus and method for data error detection and correction and address error detection in a memory system |
| 06/30/1993 | EP0549047A1 Scrambler/descrambler and synchronizer for a data transmission system |
| 06/29/1993 | US5224167 Speech coding apparatus using multimode coding |
| 06/29/1993 | US5224106 Multi-level error correction system |
| 06/22/1993 | US5222069 Miscorrection arrangement for the concealment of misdetected or miscorrected digital signals |
| 06/15/1993 | US5220570 Programmable viterbi signal processor |
| 06/15/1993 | US5220568 Shift correcting code for channel encoded data |
| 06/09/1993 | EP0545711A2 Apparatus for concealing error of moving pictures transform coding |
| 06/09/1993 | EP0545498A2 Method and circuit for decoding RS-coded data signals |
| 06/08/1993 | CA2013158C Error correction method and apparatus |
| 06/02/1993 | EP0544463A2 Coded modulation, with unequal error protection, for fading channels |
| 06/02/1993 | EP0544315A2 Maximum likelihood sequence estimation apparatus |
| 06/02/1993 | EP0543907A1 Method of recovering lost bits in digital transmission. |
| 06/01/1993 | US5216694 Trellis coding for fractional bits |
| 06/01/1993 | US5216677 Data reproducing apparatus |
| 06/01/1993 | US5216676 Bch code decoder and method for decoding a bch code |
| 05/27/1993 | WO1993010534A1 Method and apparatus for detecting and correcting errors in data on magnetic tape media |
| 05/26/1993 | EP0543586A2 Viterbi decoding apparatus |
| 05/26/1993 | EP0543554A1 Viterbi decoding apparatus |
| 05/25/1993 | US5214678 Digital transmission system using subband coding of a digital signal |
| 05/25/1993 | US5214672 Trellis precoding for fractional bits/baud |
| 05/25/1993 | US5214656 Multiplexed coded modulation with unequal error protection |
| 05/19/1993 | CN1072302A Method and apparatus for resolving phase ambiguities in trellis coded modulated data |
| 05/18/1993 | US5212808 Method and an apparatus for re-establishing wireless communication between a base unit and a remote unit |
| 05/18/1993 | US5212696 Method and apparatus for producing order independent signatures for error detection |
| 05/18/1993 | US5212695 Error check or erro correction code coding device |
| 05/18/1993 | CA1318004C Single track orthogonal error correction system |
| 05/13/1993 | WO1993009493A1 A wireless communication system |
| 05/12/1993 | EP0541217A1 Trellis coding for fractional bits |
| 05/12/1993 | EP0541161A2 Transmission system for correcting individual or bundle errors of a cyclic coded digital signal |
| 05/11/1993 | USRE34245 Two stage coding method |
| 05/11/1993 | US5210760 Optimized pointer control system |
| 05/05/1993 | EP0540351A2 Error correcting apparatus for digital data and digital sync. detecting apparatus |
| 05/05/1993 | EP0540232A2 Coded modulation with unequal error protection |
| 05/05/1993 | EP0540231A2 Coded modulation with unequal error protection |
| 05/05/1993 | EP0540007A2 Method and apparatus for transmitting data blocks with parity and synchronizing blocks |
| 05/05/1993 | EP0539567A1 Device and method for asynchronous cyclic redundancy checking for digital receivers |
| 05/05/1993 | EP0539473A1 Error protection for vlc coded data |
| 05/04/1993 | US5208816 Generalized viterbi decoding algorithms |
| 05/04/1993 | US5208815 Apparatus for decoding bch code |
| 04/28/1993 | EP0538805A2 Circuit for producing a logical butterfly structure |
| 04/28/1993 | EP0296175B1 Method and installation for digital communication, particularly between and toward moving vehicles |
| 04/27/1993 | US5206864 Concatenated coding method and apparatus with errors and erasures decoding |
| 04/27/1993 | US5206851 Cross interleaving circuit |
| 04/27/1993 | CA1317029C Method and apparatus for processing information data |
| 04/22/1993 | WO1993008637A1 System and method for calculating a state transition metric in a viterbi equalizer |
| 04/22/1993 | DE4230521A1 Viterbi decoder with computer for input data branching - operates by majority logic on content of max. likelihood path obtd. from add-compare-select calculator. |
| 04/22/1993 | DE4229654A1 Audio and video signal transmission with error correction - protects data groups with bit quantity fluctuating between frames by sorting data bits w.r.t. their importance and distributing bit groups homogeneously within frame |
| 04/21/1993 | EP0537361A1 High efficiency digital data encoding and decoding apparatus. |
| 04/21/1993 | CN1020364C Data and forward error control coding techniques for digital signals |
| 04/20/1993 | US5204876 Method and apparatus for providing high data rate traffic channels in a spread spectrum communication system |
| 04/20/1993 | US5204874 Method and apparatus for using orthogonal coding in a communication system |
| 04/13/1993 | CA1316261C Method and apparatus for transmitting and receiving characters using a balanced weight error correcting code |
| 04/07/1993 | EP0535812A2 TDMA burst-mode mobile radio communication system with forward error correction |