| 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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| 02/23/1999 | US5875214 Device for initializing a viterbi decoder in a receiver for signals transmitted in the form of bursts, corresponding receiver and corresponding initialization method |
| 02/23/1999 | US5875200 Reed-Solomon code system employing k-bit serial techniques for encoding and burst error trapping |
| 02/23/1999 | US5875199 For detecting and correcting erroneous symbols within a codeword |
| 02/23/1999 | CA2169514C Synchronization and error detection in a tdm/tdma system |
| 02/23/1999 | CA2127597C Variable rate communication method and a variable rate communication system |
| 02/23/1999 | CA2102789C Error detection system |
| 02/18/1999 | WO1999008425A1 Method and apparatus for determining the rate of received data in a variable rate communication system |
| 02/18/1999 | WO1999008423A1 Methods and arrangement in a digital telecommunications system |
| 02/18/1999 | WO1999008414A1 Method and system for rapid initial signal detection in a wireless communications system |
| 02/18/1999 | WO1999008412A1 Device and method for transmitting digital data, device and method for demodulating digital data, and transmission medium |
| 02/18/1999 | WO1999008376A1 Static viterbi detector for channels utilizing a code having time varying constraints |
| 02/18/1999 | WO1998020696A3 Method and apparatus for compressing and transmitting high speed data |
| 02/18/1999 | CA2297287A1 Method and system for rapid initial signal detection in a wireless communications system |
| 02/17/1999 | EP0897228A2 Error detecting device |
| 02/17/1999 | EP0897224A2 Method of enhanced max-log-a posteriori probability processing |
| 02/17/1999 | EP0897223A2 High-performance low-complexity error-correcting codes |
| 02/17/1999 | EP0896764A1 Data communications systems and methods using interspersed error detection bits |
| 02/17/1999 | CN1208525A Data transmission method and equipment for encoding a signal |
| 02/17/1999 | CN1208289A Error-detecting apparatus capable of receiving digital data |
| 02/17/1999 | CN1208287A Viterbi decoder |
| 02/17/1999 | CN1208192A Circuit for calculating error position polynomial at high speed |
| 02/16/1999 | US5872817 Joint viterbi decoder and decision feedback equalizer |
| 02/16/1999 | US5872801 Method of compensating for doppler error in a wireless communications system, such as for GSM and IS54 |
| 02/16/1999 | US5872799 Global parity symbol for interleaved reed-solomon coded data |
| 02/16/1999 | US5872798 Error correctable data transmission method and device based on semi-cyclic codes |
| 02/16/1999 | US5872791 Method and apparatus for data encoding and communication over noisy media |
| 02/16/1999 | US5872790 In a computer system |
| 02/16/1999 | US5872666 Decoder circuitry with PRML signal processing for reproducing apparatus |
| 02/16/1999 | CA2131242C Apparatus for error-correct decoding in a digital data communications system |
| 02/11/1999 | WO1999007100A1 Data sequence generator, transmitter, information data decoder, receiver, transceiver, data sequence generating method, information data decoding method, and recording medium |
| 02/11/1999 | WO1999007076A2 Adaptive channel encoding method and device |
| 02/11/1999 | WO1999007075A2 Data transmission method and system |
| 02/11/1999 | WO1999007074A2 A hardware-optimized reed-solomon decoder for large data blocks |
| 02/10/1999 | EP0896440A2 Diversity receiver for radio communication system and method |
| 02/10/1999 | EP0896436A2 Viterbi decoder |
| 02/10/1999 | CN1207834A Method and apparatus for conditionally combining bit metrics in Viterbi decoder for decoding information signal |
| 02/10/1999 | CN1207833A Method and arrangement for making fixed length codes |
| 02/10/1999 | CN1207622A Data receiving apparatus and method |
| 02/09/1999 | US5870414 Method and apparatus for encoding and decoding digital signals |
| 02/09/1999 | US5870413 CRC code generation circuit for generating a CRC code and a code error detection circuit for detecting a code error in a CRC code word |
| 02/09/1999 | US5870412 Forward error correction system for packet based real time media |
| 02/09/1999 | US5870405 Digital transmission of acoustic signals over a noisy communication channel |
| 02/09/1999 | US5870366 Method for recording (sending) /reproducing (receiving) data, apparatus thereof, and data recording medium |
| 02/09/1999 | US5870037 Method and apparatus, demodulating method and signal demodulating apparatus |
| 02/09/1999 | US5868806 Abrasive tape and method of producing the same |
| 02/04/1999 | WO1999005793A1 Concurrent row/column syndrome generator for a product code |
| 02/04/1999 | WO1998052365A3 Subscriber unit with plural control and data sources for cdma wireless communication system |
| 02/03/1999 | EP0895384A2 Sequence estimation method and sequence estimator |
| 02/03/1999 | EP0895383A2 Channel impulse response estimator for a Viterbi equalizer |
| 02/03/1999 | EP0894367A1 Method and apparatus for interference rejection with different beams, polarizations, and phase references |
| 02/02/1999 | US5867531 Maximum likelihood sequence estimator and maximum likelihood sequence estimating method |
| 02/02/1999 | US5867510 Method of and apparatus for decoding and processing messages |
| 02/02/1999 | US5867509 Communication control apparatus in ATM communication |
| 02/02/1999 | US5867408 Process and device with digital signal processor for the implementation of a viterbi algorithm |
| 02/02/1999 | US5867331 Synchronous read channel processing more than one channel sample at a time to increase throughput |
| 01/28/1999 | WO1999004522A1 Method and apparatus for adaptive loss-less compression of cell/packet headers |
| 01/28/1999 | WO1999004521A2 A method and apparatus for segmentation and reassembly of packets/cells over satellite/wireless networks |
| 01/28/1999 | WO1999004515A1 Method and apparatus for fast acquisition and synchronization of transmission frames |
| 01/28/1999 | WO1999004509A1 Method and apparatus for minimizing delay variance via time divided transmissions |
| 01/28/1999 | WO1999004508A1 Multicarrier demux/demod (mcdd) wireless network architecture |
| 01/28/1999 | WO1999004340A1 A frame format and frame assembling/disassembling method for the frame format |
| 01/28/1999 | WO1999004339A2 Method and apparatus for improving asynchronous transfer mode operation over noisy, high speed wireless links |
| 01/28/1999 | WO1999004338A1 Method and apparatus for adaptive control of forward error correction codes |
| 01/27/1999 | EP0893791A2 Methods for encoding speech, for enhancing speech and for synthesizing speech |
| 01/27/1999 | EP0892951A1 Method and apparatus for deinterleaving an interleaved data stream |
| 01/26/1999 | US5864590 Procedure for transmission of information on a channel including a system for reception of data signals by sampling using clock signals |
| 01/26/1999 | US5864589 Device for making decisions by estimating the viterbi algorithm in a mobile radio system |
| 01/26/1999 | US5864571 Error detection circuit using two bit to four bit encoder |
| 01/26/1999 | US5864567 Data memory apparatus |
| 01/26/1999 | CA2083304C Equalization and decoding for digital communication channel |
| 01/21/1999 | WO1998043388A3 Metric sifting in breadth-first decoding of convolutional coded data |
| 01/20/1999 | EP0892517A2 Error correction coding for short sequences |
| 01/20/1999 | EP0892501A1 Convolutional interleaver and convolutional de-interleaver |
| 01/20/1999 | EP0891656A1 Data block convolutional coding device and method, and corresponding decoding method and device |
| 01/20/1999 | EP0840958B1 Data element interleaving/deinterleaving |
| 01/20/1999 | CN1205578A Data decoding apparatus and method |
| 01/19/1999 | US5862192 Methods and apparatus for equalization and decoding of digital communications channels using antenna diversity |
| 01/19/1999 | US5862190 Method and apparatus for decoding an encoded signal |
| 01/19/1999 | US5862189 Receiver for receiving a transmission signal |
| 01/19/1999 | US5862178 Method and apparatus for speech transmission in a mobile communications system |
| 01/19/1999 | US5862161 Sampled amplitude read channel with simplified sequence detector matched to partial erasure |
| 01/19/1999 | US5862160 Secondary channel for communication networks |
| 01/19/1999 | US5862159 Parallelized cyclical redundancy check method |
| 01/19/1999 | US5862156 Adaptive sequence estimation for digital cellular radio channels |
| 01/19/1999 | US5862155 Trellis coded FM digital communications system and method |
| 01/19/1999 | US5862115 Method and apparatus for recording an information signal with scrambling thereof |
| 01/19/1999 | US5862005 Synchronous detection of wide bi-phase coded servo information for disk drive |
| 01/19/1999 | US5862004 Digital transmission signal processing system and recording/reproducing system |
| 01/19/1999 | US5861825 Method and device for code modulation, method and device for code demodulation, and method and device for decoding |
| 01/19/1999 | CA2161057C Soft decision digital communication method and apparatus |
| 01/19/1999 | CA2153376C Maximum-likelihood sequence estimator with variable number of states |
| 01/19/1999 | CA2124707C Tailored error protection |
| 01/14/1999 | WO1999001941A1 Device for transmitting a coded adpcm voice signal |
| 01/14/1999 | DE19729109A1 Digital message signal transmission and evaluation method |
| 01/13/1999 | EP0891059A2 Sequence estimation for partial response channels |
| 01/13/1999 | CN1205135A Tranmission system with improved lock detection |
| 01/13/1999 | CN1204892A Memory address generator in convolutional interleaver/deinterleaver |
| 01/12/1999 | US5859861 High speed viterbi decoder |
| 01/12/1999 | US5859859 Parallel cyclic redundancy code error detection |
| 01/12/1999 | US5859740 Information storage disc and information recording and reproducing apparatus |