| 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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| 10/06/1998 | US5818367 Signal modulating method, signal modulating apparatus, signal demodulating method and signal demodulating apparatus |
| 10/06/1998 | US5818031 Bar code encoding system using four-state codes |
| 10/04/1998 | CA2233247A1 Television signal broadcasting system with common clock reference |
| 10/04/1998 | CA2232759A1 Combining adjacent tv channels for transmission by a common antenna |
| 10/03/1998 | CA2228714A1 Method and apparatus for spectral efficient transmission of cdma modulated signals |
| 10/01/1998 | WO1998043388A2 Metric sifting in breadth-first decoding of convolutional coded data |
| 10/01/1998 | WO1998043383A1 Method and apparatus for communicating a block of digital information between a sending and a receiving station |
| 10/01/1998 | WO1998043360A1 List output viterbi decoding with crc outer code for multi-rate signal |
| 10/01/1998 | DE19703755A1 Infrequent code deviations analysis method using hierarchic Bayes code analysis |
| 09/29/1998 | US5815515 Edge metric calculation method and apparatus using permutations |
| 09/29/1998 | US5815514 Variable rate bit inserter for digital data storage |
| 09/29/1998 | US5815507 Error detector circuit for digital receiver using variable threshold based on signal quality |
| 09/24/1998 | WO1998042083A1 Audio coding method and apparatus |
| 09/23/1998 | EP0866589A1 Data transmitting method, data transmitting system, transmitter, and receiver |
| 09/23/1998 | EP0866578A2 Maximum likelihood sequence estimation and decoding for burst mode signals |
| 09/23/1998 | CN1194074A Synchronous detection of wide bi-phase coded servo information for disc drive |
| 09/22/1998 | US5812601 Coding for higher-level modulation |
| 09/22/1998 | US5812564 Disk drive with embedded finite field processor for error correction |
| 09/22/1998 | US5812334 Synchronous read channel employing discrete timing recovery, transition detector, and sequence detector |
| 09/22/1998 | US5812288 Holographic storage of digital data |
| 09/22/1998 | US5812075 Combined DAQ/RBS compensation system and method for enhancing the accuracy of digital data communicated through a network |
| 09/22/1998 | US5812072 Data conversion technique |
| 09/22/1998 | CA2133009C Transmission error correction code appending device which can regulate a maximum delay of an interleaver in a variable bit rate video coding system |
| 09/22/1998 | CA2111544C Circular viterbi decoder |
| 09/22/1998 | CA2110244C Extended list output and soft symbol output viterbi algorithms |
| 09/17/1998 | WO1998040971A1 Multichannel viterbi decoder |
| 09/17/1998 | DE19811039A1 Verfahren und Vorrichtungen zum Codieren und Decodieren von Audiosignalen Methods and apparatuses for encoding and decoding of audio signals |
| 09/16/1998 | EP0865178A2 Apparatus for providing error correction data in a digital transfer system |
| 09/16/1998 | EP0865166A1 Method of modulating and demodulating digital data and digital data modulator demodulator |
| 09/16/1998 | EP0864205A1 A method and an arrangement for making fixed length codes |
| 09/16/1998 | EP0864198A1 Data detection for partial response channels |
| 09/16/1998 | EP0864125A1 Data integrity and cross-check code with logical block address |
| 09/16/1998 | CN1193436A Synchronous detection of wide bi-phase coded servo information for disk drive |
| 09/15/1998 | US5809089 Receiving unit, soft information data processor and decoding method thereof used for a code division multiple access system |
| 09/15/1998 | US5809082 Vector trellis coded modulation using vector convolutional codes for reliable data transmission |
| 09/15/1998 | US5809081 System and method for encoding data such that after precoding the data has a pre-selected parity structure |
| 09/15/1998 | US5809079 Branchmetric calculation circuit in a viterbi decoder |
| 09/15/1998 | US5809044 Method of and circuit for detecting synchronism in viterbi decoder |
| 09/15/1998 | US5809043 Method and apparatus for decoding block codes |
| 09/15/1998 | US5809042 Interleave type error correction method and apparatus |
| 09/14/1998 | CA2229720A1 Apparatus for providing error correction data in a digital data transfer system |
| 09/11/1998 | WO1998039848A1 Serial estimating method |
| 09/08/1998 | US5805799 Data integrity and cross-check code with logical block address |
| 09/08/1998 | US5805618 Reproducing apparatus for reproducing video information recorded together with error correction codes |
| 09/08/1998 | US5805617 Apparatus for computing error correction syndromes |
| 09/08/1998 | US5805616 Circuit of calculating errata locator and evaluator polynomial, calculating method thereof and reed-solomon decoder using the same |
| 09/08/1998 | US5805615 Method and apparatus for encoding certain double-error correcting and triple-error detecting codes |
| 09/08/1998 | US5805614 Dynamic switch organization |
| 09/08/1998 | US5805613 Methods for efficient bounded-distance decoding of the Hexacode and associated decoders for the Leech Lattice and the Golay code |
| 09/08/1998 | US5805583 Process for communicating multiple channels of digital data in distributed systems using synchronous code division multiple access |
| 09/08/1998 | US5805469 Digital audio signal processing apparatus and method for error concealment |
| 09/08/1998 | US5805302 Variable length encoding of image data |
| 09/03/1998 | WO1998038747A2 A reception method and a receiver |
| 09/03/1998 | WO1998038746A2 A reception method and a receiver |
| 09/02/1998 | EP0861525A1 Improved multiple-burst-correction system |
| 09/02/1998 | EP0861524A1 Transmission system with improved lock detection |
| 09/01/1998 | US5802311 Using adaptive redundant packet retrieval to improve reliability in a unidirectional data broadcasting system |
| 09/01/1998 | US5802241 Communication system |
| 09/01/1998 | US5802116 Soft decision Viterbi decoding with large constraint lengths |
| 09/01/1998 | US5802115 Convolution decoder using the Viterbi algorithm |
| 09/01/1998 | US5802107 For processing data elements to be inserted into a frame |
| 09/01/1998 | US5802078 Error detector for error detecting codes |
| 09/01/1998 | US5801649 Matched spectral null encoder/decoder |
| 09/01/1998 | CA2090166C Multilevel coding using trellis-coded modulation and reed-solomon codes |
| 08/26/1998 | EP0860826A2 PRML system with reduced complexity maximum likelihood detector |
| 08/25/1998 | US5799046 Digital data signal reproducing apparatus |
| 08/25/1998 | US5799033 Method of error protected transmission, method of error protected reception of data and transmission system for transmission of data |
| 08/25/1998 | US5799013 Method of processing a sequential signal |
| 08/25/1998 | CA2090247C Overlapped multilevel codes |
| 08/20/1998 | WO1998036577A1 Predictive coding method and decoding method for dynamic image |
| 08/20/1998 | WO1998036500A1 Decoder for trellis encoded interleaved data stream and hdtv receiver including said decoder |
| 08/20/1998 | WO1998015947A3 Parallel spectral reed-solomon encoder and decoder |
| 08/20/1998 | WO1998008180A3 Digital optical media authentication and copy protection method |
| 08/19/1998 | EP0858698A1 Data transmission method |
| 08/19/1998 | EP0858695A1 Apparatus and method for digital data transmission |
| 08/19/1998 | CN1191052A Apparatus for decoding video signals encoded in different formats |
| 08/19/1998 | CN1191050A Apparatus for demodulating and decoding video signals |
| 08/19/1998 | CN1190848A Device and method for shielding video data error |
| 08/18/1998 | US5796758 Self-checking content-addressable memory and method of operation for detecting multiple selected word lines |
| 08/18/1998 | US5796756 Survivor memory device in viterbi decoder using trace deletion method |
| 08/18/1998 | US5796755 Error minimization in interleaved error correcting codes |
| 08/18/1998 | US5796436 Video data storing device and method for coding video data based upon determining whether or not video data conforms to a predetermined standard |
| 08/18/1998 | CA2138958C A data decoder and method for use there in using a dynamically indexed channel state metric |
| 08/18/1998 | CA2083749C Maximum likelihood sequence estimation apparatus |
| 08/18/1998 | CA2077343C Method and apparatus for providing high data rate traffic channels in a spread spectrum communication system |
| 08/13/1998 | WO1998035475A1 Device for channel equalisation and decoding |
| 08/13/1998 | WO1998035461A1 Method of interleaving a convolutionally coded signal in a spread spectrum communication system |
| 08/13/1998 | WO1998035451A1 MODIFIED REED-SOLOMON ERROR CORRECTION SYSTEM USING (w+i+1)-BIT REPRESENTATIONS OF SYMBOLS OF GF(2w+i) |
| 08/13/1998 | WO1998035450A2 An information coding method and devices utilizing error correction and error detection |
| 08/13/1998 | DE19706749C1 Transmission error detection in method GSM mobile radio system |
| 08/12/1998 | EP0858196A1 Equaliser and channel decoder |
| 08/12/1998 | CN1190292A Error concealment method and apparatus |
| 08/11/1998 | US5793818 Circuit for processing modulated signals |
| 08/11/1998 | US5793759 Apparatus and method for digital data transmission over video cable using orthogonal cyclic codes |
| 08/06/1998 | WO1998034413A2 Data encoder/decoder for a high speed serial link |
| 08/05/1998 | EP0856949A1 Interleaving and de-interleaving method for digital data, interleaving and de-interleaving devices, and communication system |
| 08/05/1998 | EP0643894B1 Qam signal encoding/decoding system |
| 08/05/1998 | CN1189936A Optimal soft-output decoder for tail-biting trellis codes |
| 08/05/1998 | CN1189935A Parallel concatenated tail-biting convolutional code and decorder therefor |
| 08/04/1998 | US5790596 Radiotelephone communication unit displaying chronological information |