| 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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| 08/04/1998 | US5790595 Method for obtaining bit-specific reliability information |
| 08/04/1998 | US5790570 Concatenated trellis coded modulation and linear block codes |
| 08/04/1998 | US5790569 Method and apparatus for generating, recording and transmitting an error product code block having an improved check code arrangement |
| 08/04/1998 | US5790568 To process downlink frames to be transmitted from a spacecraft to ground |
| 08/04/1998 | US5790567 Parallel processing spacecraft communication system |
| 08/04/1998 | US5790566 Method and device for depuncturing data |
| 07/31/1998 | CA2225058A1 Interleaving and de-interleaving method for digital data, interleaving and de-interleaving devices, and communication system |
| 07/29/1998 | EP0855108A1 A coding system and method providing unequal error protection by puncturing less significant symbols |
| 07/29/1998 | EP0855107A1 Viterbi co-processor and method of operation therefor |
| 07/29/1998 | CN1189019A Digital transmission system and method comprising product code combined with multidimensional modulation |
| 07/29/1998 | CN1188964A System decoder having error correcting memories and method for controlling same |
| 07/28/1998 | US5787129 Decoder for a trellis encoded signal corrupted by NTSC co-channel interference and white noise |
| 07/28/1998 | US5787127 Viterbi decoding method and apparatus with balance among memory and processing requirements |
| 07/28/1998 | US5787121 Data transmission system |
| 07/28/1998 | US5787100 Apparatus for determining error evaluator polynomial for use in a Reed-Solomon decoder |
| 07/28/1998 | US5787099 System and method for encoding and decoding data using numerical computations in galois fields |
| 07/28/1998 | CA2092495C Communication system |
| 07/23/1998 | WO1998032257A1 System and device for, and method of, communicating according to a composite code |
| 07/23/1998 | WO1998032231A1 Method and apparatus for transmitting and receiving concatenated code data |
| 07/23/1998 | WO1998021829A3 Modified reed solomon code selection and encoding system |
| 07/23/1998 | CA2274772A1 Method and apparatus for transmitting and receiving concatenated code data |
| 07/22/1998 | EP0854599A2 System and method for detecting, correcting and discarding corrupted data packets in a cable data delivery system |
| 07/22/1998 | EP0854581A2 Coding and decoding system using crc check bit |
| 07/22/1998 | EP0854483A2 Digital signal reproduction apparatus |
| 07/22/1998 | EP0853848A1 Confidence and frame signal quality detection in a soft decision convolutional decoder |
| 07/22/1998 | EP0853843A2 Transmission and reception of a digital information signal |
| 07/22/1998 | CN1188579A Slice predictor for signal receiver |
| 07/22/1998 | CN1188375A Reed-solomon decoder use in advanced television |
| 07/22/1998 | CN1188312A Optical information reproducing method and apparatus |
| 07/21/1998 | US5784417 Cyclic trelles coded modulation |
| 07/21/1998 | US5784392 Viterbi decoder with l=2 best decoding paths |
| 07/21/1998 | US5784388 Methods and apparatus for decoding control signals in dispatch trunked radio system |
| 07/21/1998 | US5784387 Method for detecting start-of-frame, end of frame and idle words in a data stream |
| 07/21/1998 | CA2002750C Arrayed disk drive system and method |
| 07/16/1998 | WO1998031106A1 Error prevention method for multimedia |
| 07/15/1998 | CN1187718A Digital transmission system and method comprising punctured product code combined with quadrature amplitude modulation |
| 07/14/1998 | US5781570 Error processing method of ADPCM voice transmission system and apparatus therefor |
| 07/14/1998 | US5781569 Differential trellis decoding for convolutional codes |
| 07/14/1998 | US5781568 Error detection and correction method and apparatus for computer memory |
| 07/14/1998 | US5781567 Digital coding method and apparatus for the correction of burst errors |
| 07/14/1998 | US5781566 Cyclic redundancy coder |
| 07/14/1998 | US5781542 Information communication system using multi-code CDMA mode |
| 07/14/1998 | US5781463 Adaptive digital filter with high speed and high precision coefficient sequence generation |
| 07/14/1998 | CA2128708C Method and system for the arrangement of vocoder data for the masking of transmission channel induced errors |
| 07/14/1998 | CA1339956C Method for transmitting digital data |
| 07/09/1998 | WO1998029995A1 Apparatus, methods and computer program products for sequential maximum likelihood estimating communications signals using whitening path metrics |
| 07/09/1998 | WO1998029979A1 Transmitter method and transmission system using adaptive coding based on channel characteristics |
| 07/09/1998 | WO1998029978A1 Secondary channel using code violations |
| 07/09/1998 | CA2276777A1 Transmitter method and transmission system using adaptive coding based on channel characteristics |
| 07/09/1998 | CA2276255A1 Apparatus, methods and computer program products for sequential maximum likelihood estimating communications signals using whitening path metrics |
| 07/09/1998 | CA2276153A1 Secondary channel using code violations |
| 07/08/1998 | EP0852089A1 Apparatus and method for noise-predictive maximum-likelihood (npml) detection |
| 07/08/1998 | EP0852088A2 Process and circuit for processing useful data |
| 07/07/1998 | US5778013 Method and apparatus for verifying CRC codes |
| 07/07/1998 | US5778011 Method and apparatus for writing and protecting against random and cluster errors in image blocks |
| 07/07/1998 | US5778010 Method and device for correcting packet data error and packet receiver |
| 07/07/1998 | US5778009 Dedicated ALU architecture for 10-bit Reed-Solomon error correction module |
| 07/07/1998 | US5777964 Optical disk apparatus |
| 07/07/1998 | US5777566 Encoding method for PRML system, method of and apparatus for demodulating code thereof, and PRML system |
| 07/02/1998 | DE19654493A1 Bayesian optimal code analysis and synthesis of code representation |
| 07/01/1998 | EP0851622A1 Coded modulation for constellations with fewer symbols than are required by the coding scheme |
| 07/01/1998 | EP0851620A2 Communication method, transmitting apparatus and receiving apparatus for simultaneously using first and second communication resources by variable allocation |
| 07/01/1998 | EP0851591A1 Data processor and data processing method |
| 07/01/1998 | EP0850473A1 A method and apparatus for trackwise burst error correction in a multitrack storage format |
| 07/01/1998 | CN1186385A Traceback for viterbi decoder |
| 06/30/1998 | US5774648 Address generator for error control system |
| 06/30/1998 | US5774504 Equalization and decoding for digital communication channel |
| 06/30/1998 | US5774500 Multi-channel trellis shaper |
| 06/30/1998 | US5774481 Reduced gate error detection and correction circuit |
| 06/30/1998 | US5774480 Cyclic code check bits generation and error correction using sum of remainders |
| 06/30/1998 | US5774470 Digital signal processor, error detection method, and recording medium reproducer |
| 06/30/1998 | US5774389 Error correction apparatus |
| 06/30/1998 | US5774085 Apparatus and method for obtaining proper output signal in which gain and DC component are regulated based upon on measured amplitude distribution |
| 06/30/1998 | CA2109412C Method and apparatus for estimating signal weighting parameters in a receiver |
| 06/30/1998 | CA2075051C Signal weighting system for digital receiver |
| 06/25/1998 | WO1998027700A1 Rate 2/3 mask trellis coded modulation using rate 1/2 convolutional encoder |
| 06/25/1998 | WO1998027682A1 Receiver decoder circuitry, and associated method, for decoding a channel encoded signal |
| 06/25/1998 | WO1998027659A1 Error correction decoder for vocoding system |
| 06/25/1998 | WO1998016016A3 Error correction with two block codes and error correction with transmission repetition |
| 06/25/1998 | CA2275488A1 Error correction decoder for vocoding system |
| 06/24/1998 | EP0848869A2 Transmission system and receiver with improved detection, and improved detection method |
| 06/24/1998 | CN1185880A Method and apparatus for determining coding rate in a wireless communication system |
| 06/24/1998 | CN1185872A Apparatus and method for adaptive forward error correction in data communications |
| 06/23/1998 | US5771248 Apparatus and method for error correction |
| 06/23/1998 | US5771246 Multiple-burst-correction system |
| 06/23/1998 | US5771245 Process for independently protecting two dimensional codes from one or more burst errors patterns |
| 06/23/1998 | US5771244 Universal Reed-Solomon coder/encoder |
| 06/23/1998 | US5771239 Method and apparatus for modifying a transport packet stream to provide concatenated synchronization bytes at interleaver output |
| 06/23/1998 | US5771215 Method and apparatus for recording an information signal with scrambling thereof |
| 06/23/1998 | US5771184 System and method for solving quadratic equation in galois fields |
| 06/23/1998 | US5770927 Method and apparatus for distinguishing control channel from traffic channels |
| 06/18/1998 | WO1998026508A1 Method and circuit for decoding a cyclically coded signal |
| 06/17/1998 | EP0848524A1 Punctured, trellis coded QAM, with interative decoding |
| 06/17/1998 | EP0848501A1 Digital transmission system and method comprising a product code combined with multidimensional modulation |
| 06/17/1998 | EP0847636A1 Forward error correction method using repeated data words |
| 06/17/1998 | CN1185244A Data transmission method, and transmitter |
| 06/16/1998 | US5768309 Method of digital data transmission in a channel |
| 06/16/1998 | US5768297 Method for reducing decoherence in quantum computer memory |
| 06/16/1998 | US5768296 ECC system supporting different-length Reed-Solomon codes whose generator polynomials have common roots |
| 06/16/1998 | US5768295 Communication system |