| 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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| 05/26/1994 | WO1994011819A1 A dual mode radio communication unit |
| 05/26/1994 | DE4192982C2 Fehlererkennungssystem A fault detection system |
| 05/26/1994 | CA2146864A1 A dual mode radio communication unit |
| 05/24/1994 | US5315619 Carrier recovery processor for a QAM television signal |
| 05/24/1994 | US5315617 QAM encoding for high-definition television system |
| 05/24/1994 | US5315601 Error correction method and apparatus thereof |
| 05/24/1994 | US5315600 Error correction system including a plurality of processor elements which are capable of performing several kinds of processing for error correction in parallel |
| 05/18/1994 | EP0597511A2 Method of correcting errors and erasures in digital information, and device suitable for carrying out the method |
| 05/17/1994 | US5313474 Method and apparatus to determine the log of an element in GF(2m) with the help of a small adjustable size table |
| 05/17/1994 | US5313464 Fault tolerant memory using bus bit aligned Reed-Solomon error correction code symbols |
| 05/17/1994 | CA2003862C Error correction and detection apparatus and method |
| 05/11/1994 | EP0596736A1 Split channel data transmission |
| 05/11/1994 | EP0596340A2 Error correction circuit |
| 05/11/1994 | CN1086618A Calculator |
| 05/10/1994 | US5311557 Circular limiter for use in a receiver to reduce the effects of signal distortion |
| 05/10/1994 | US5311553 Trellis coding technique to increase adjacent channel interference protection ratio in land mobile radio systems under peak power constraints |
| 05/10/1994 | US5311552 Method of configuring a communication system |
| 05/05/1994 | DE4290581C2 Signalwichtungssystem für einen Digitalempfänger Signal weighting system for a digital receiver |
| 05/04/1994 | EP0595326A2 Method of correcting lost data and circuit thereof |
| 05/03/1994 | US5309494 Circuit configuration for generating logical butterfly structures |
| 05/03/1994 | US5309450 Error correction coding method and apparatus for digital image information |
| 05/03/1994 | US5309449 Electronic circuit for generating error detection codes for digital signals |
| 05/03/1994 | US5309443 Dynamic muting method for ADPCM coded speech |
| 04/28/1994 | WO1994009594A1 Encoder and decoder |
| 04/27/1994 | EP0593763A1 Maximum likelihood decoding method and device thereof |
| 04/27/1994 | CN1086031A Process and device for securing data mixed into an image |
| 04/26/1994 | US5307377 System for modulating/demodulating digital signals transmitted with encoded modulation |
| 04/26/1994 | US5307374 Digital receiver with reduced memory requirement for Viterbi equalization |
| 04/20/1994 | EP0593404A1 Multi-processor Viterbi decoder for digital cellular base stations using pipeline processing |
| 04/20/1994 | EP0593260A2 Coding of data |
| 04/20/1994 | CN1085682A Method of correcting errors and erasures in digital information, and device suitable for carrying out the method |
| 04/19/1994 | US5305352 For use in a receiver |
| 04/14/1994 | CA2108238A1 Multi-processor demodulator for digital cellular base station employing partitioned demodulation procedure with pipelined execution |
| 04/13/1994 | EP0592229A2 Multiple error correcting method |
| 04/12/1994 | US5303245 Information signal processing method and apparatus |
| 04/12/1994 | CA2066611C Error detection for fiber distributed interfaced optic link |
| 04/06/1994 | EP0590597A2 Arithmetic apparatus |
| 04/05/1994 | US5301197 Bit error ratio detector |
| 03/30/1994 | EP0589709A2 Multiresolution transmission system |
| 03/29/1994 | US5299208 Enhanced decoding of interleaved error correcting codes |
| 03/29/1994 | US5298899 PCM encoder and decoder using exkrema |
| 03/29/1994 | CA2013386C Method and apparatus for providing error correction to symbol level codes |
| 03/23/1994 | EP0588736A1 Error concealment method for MPEG coded image transmission |
| 03/23/1994 | EP0588476A2 Video data compression |
| 03/23/1994 | EP0588307A2 System for transmitting information bit sequences |
| 03/22/1994 | US5297153 Method and apparatus for decoding code words protected wordwise by a non-binary BCH code from one or more symbol errors |
| 03/17/1994 | DE4230643A1 Wyner-Ash convolutional encoding of digital data stream - by characterising position of erroneous bit within subdivision of input word combined with original data word |
| 03/16/1994 | EP0586554A1 Binary data error correction using hint signal |
| 03/15/1994 | US5295159 Coordinated coding for digital transmission |
| 03/15/1994 | US5295142 Viterbi decoder |
| 03/09/1994 | EP0585427A1 Method and apparatus for estimating signal weighting parameters in a receiver |
| 03/02/1994 | EP0584864A1 A hardware-efficient method and device for encoding BCH codes and in particular Reed-Solomon codes |
| 03/01/1994 | US5291524 Viterbi decoding apparatus |
| 03/01/1994 | US5291520 Methods and apparatus employing distribution preserving Tomlinson precoding in transmission of digital data signals |
| 03/01/1994 | US5291499 Method and apparatus for reduced-complexity viterbi-type sequence detectors |
| 03/01/1994 | US5291496 Fault-tolerant corrector/detector chip for high-speed data processing |
| 02/23/1994 | EP0583967A2 Decoding using a linear metric and interference estimation |
| 02/23/1994 | EP0583647A2 Method and device for securing data merged into a picture |
| 02/22/1994 | US5289501 Coded modulation with unequal error protection for fading channels |
| 02/16/1994 | EP0582827A2 Method and apparatus for communicating interleaved data |
| 02/16/1994 | EP0582749A1 Error detection and correction device |
| 02/16/1994 | EP0582748A1 Divider device to divide a first polynomial by a second one |
| 02/15/1994 | US5287468 Method and apparatus for processing information data |
| 02/15/1994 | US5287385 Viterbi decoding system including variable-order equalizer |
| 02/15/1994 | US5287374 Identification of encoder type through observation of data received |
| 02/15/1994 | US5287185 Method of correcting transmission error in digital color-television communication system and digital color-television communication system to work said method |
| 02/15/1994 | CA2099349A1 Process and device for securing data mixed into an image |
| 02/08/1994 | US5285458 System for suppressing spread of error generated in differential coding |
| 02/08/1994 | US5285456 System and method for improving the integrity of control information |
| 02/08/1994 | US5285455 Serial data encoder |
| 02/08/1994 | US5285454 Method and apparatus for encoding and decoding unordered error correcting codes |
| 02/04/1994 | CA2101685A1 Transmission system with increased sampling rate detection |
| 02/01/1994 | US5283576 Disparity detection circuit for a 2-bit to 4-bit coded signal decoder |
| 01/27/1994 | DE4300025C1 Error coding data transmission method - recognising and/or correcting one and more bit errors and involves division of data word and test word into four bit wide part words |
| 01/27/1994 | DE4224214A1 Source controlled channel encoding method - expanding Viterbi algorithm to increase or decrease some states to give priority to certain information bits with apriori or aposteriori information. |
| 01/26/1994 | EP0580301A2 Circular limiter |
| 01/26/1994 | EP0580199A1 Adaptive Viterbi detector |
| 01/26/1994 | EP0580168A2 Method and system for error correction in digital magnetic tape recording and playback |
| 01/26/1994 | CN1081303A 自适应维特比检波器 Adaptive Viterbi detector |
| 01/26/1994 | CN1081296A Triple orthogonally interleaved error correction system |
| 01/25/1994 | US5282215 Synchronization circuit |
| 01/25/1994 | US5282214 Apparatus and method for parallel generation of cyclic redundancy check (CRC) codes |
| 01/20/1994 | WO1994001937A1 Single-stack implementation of a reed-solomon encoder/decoder |
| 01/19/1994 | EP0579131A2 Method and system for detecting and correcting errors |
| 01/19/1994 | CN1081037A "method and system for the arrangement of vocoder data for the masking of transmission channel induced errors" |
| 01/18/1994 | US5280533 Coding method for skewed transition correction in parallel asynchronous communication systems |
| 01/18/1994 | US5280489 Time-varying Viterbi detector for control of error event length |
| 01/18/1994 | US5280488 Reed-Solomon code system employing k-bit serial techniques for encoding and burst error trapping |
| 01/18/1994 | US5280485 Coding method for skewed transition detection in parallel asynchronous communication system |
| 01/15/1994 | CA2100388A1 Divider device to divide a first polynomial by a second one |
| 01/12/1994 | EP0578312A2 A decoding device for a time-interleaved data stream that is wordwise error protected and has detection for a FIFO jump |
| 01/11/1994 | US5278992 Method and apparatus for controlling transmission power of a remote unit communicating with a base unit over a common frequency channel |
| 01/11/1994 | US5278906 System for encoding data presented with a first coding device and for decoding encoded data with a second coding device, and coding device for use in the system |
| 01/11/1994 | US5278871 Method and apparatus for estimating signal weighting parameters in a receiver |
| 01/11/1994 | US5278866 Radio communication apparatus with stored coding/decoding procedures |
| 01/11/1994 | US5278846 Digital signal decoder |
| 01/11/1994 | CA2024742C Speech coding apparatus using multimode coding |
| 01/06/1994 | WO1994000915A1 Bit error counter and its counting method, and signal identifying device and its identifying method |
| 01/06/1994 | WO1994000843A1 Alternative system and method to viterbi detection |
| 01/06/1994 | WO1993019541A1 Process for transmitting or storing digitised multi-channel audio signals |