Patents
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)
05/1999
05/26/1999EP0917766A1 Decoder for trellis encoded interleaved data stream and hdtv receiver including said decoder
05/26/1999CN1217860A Method and apparatus for compressing and transmitting high-speed data
05/26/1999CN1217838A Data communications systems and methods using interspersed error detection bits
05/26/1999CN1217837A Serial estimating method
05/26/1999CN1217534A Error-correcting coding method and device, error-correcting decoding method and device, and vanadium reproducer and storage medium for data record
05/26/1999CA2250602A1 Method and system for decoding tailbiting convolution codes
05/25/1999US5907586 Method and device for signal decision, receiver and channel condition estimating method for a coding communication system
05/25/1999US5907583 Receiving apparatus, transmitting/receiving apparatus, and communicating method
05/25/1999US5907582 System for turbo-coded satellite digital audio broadcasting
05/25/1999US5907565 Cyclic trellis coded modulation
05/25/1999US5907560 Method for interleaving data frames, forward error correcting device and modulator including such a device
05/25/1999US5907296 Rob bit compensation system and method associated with a transmitter or codec
05/25/1999CA2140851C Transmitting and receiving apparatus and method including punctured convolutional encoding and decoding
05/20/1999WO1999025069A1 Interleaving method, interleaving apparatus, and recording medium in which interleave pattern generating program is recorded
05/20/1999WO1999024909A1 Apparatus and method for applying crc to arinc 429 periodic data
05/20/1999WO1999009694A3 Reed-solomon decoder and vlsi implementation thereof
05/20/1999WO1998058496A3 Transmission of digital signals by orthogonal frequency division multiplexing
05/20/1999EP0919098A3 Transmission of digital signals by orthogonal frequency division multiplexing
05/19/1999EP0917295A2 Mac processor with efficient viterbi acs operation and automatic traceback store
05/19/1999EP0917294A1 Digital transmission system, decoder, and decoding method
05/19/1999EP0916196A1 Method for determining connection quality, and a receiver
05/19/1999CN1217112A Effective bypass of error control decoder in a digital radio system for testing or upgrading existing equipment
05/18/1999US5905743 Apparatus, methods and computer program products for sequential maximum likelihood estimating communications signals using whitening path metrics
05/18/1999US5905742 Method and apparauts for symbol decoding
05/18/1999US5905741 Data error correcting method for digital signal frames and apparatus used in the method
05/18/1999US5905740 Apparatus and method for error correction
05/18/1999US5905739 Method and device for detecting and correcting any error in a sequence of numbers
05/18/1999CA2252325A1 Method and device for generating a frame check sequence
05/14/1999WO1999023798A1 Time-varying trellis coded psk
05/14/1999WO1999023795A1 Method for joint equalization and detection of multiple user signals
05/14/1999WO1999023779A2 Composite trellis system and method
05/14/1999WO1999023766A2 Maximum likelihood detection of concatenated space-time codes for wireless applications with transmitter diversity
05/14/1999WO1999023762A1 Reconfigurable radio system architecture
05/14/1999WO1999023761A1 A field programmable radio frequency communications equipment including a configurable if circuit and method therefor
05/14/1999WO1999023760A1 Receiver for a reconfigurable radio system and method therefor
05/14/1999WO1999008376A9 Static viterbi detector for channels utilizing a code having time varying constraints
05/14/1999CA2308194A1 Time-varying trellis coded psk
05/14/1999CA2308173A1 Method for joint equalization and detection of multiple user signals
05/14/1999CA2306846A1 Reconfigurable radio system architecture
05/14/1999CA2306842A1 Receiver for a reconfigurable radio system and method therefor
05/14/1999CA2306835A1 A field programmable radio frequency communications equipment including a configurable if circuit and method therefor
05/12/1999EP0915571A2 A coding/decoding method for high density data recording and reproduction
05/12/1999EP0914719A1 Method and apparatus for detecting communication signals having unequal error protection
05/12/1999EP0624275B1 Method and system for the arrangement of vocoder data for the masking of transmission channel induced errors
05/12/1999CN1216645A A method for enhancing data transmission
05/12/1999CN1216419A Receiver, transmitter-receiver, and communication method
05/12/1999CN1216418A Systematic punctured convolutional encoding method
05/11/1999US5903581 Method of detecting and correcting transmission error of digital signals
05/11/1999CA2119983C Communication system
05/11/1999CA2106919C Communication system
05/06/1999WO1999022373A1 Digital signal reproducer
05/06/1999EP0913950A2 Composite trellis system and method
05/06/1999EP0913949A2 Device and method for carrying out Reed-Solomon encoding
05/06/1999EP0913040A1 Spiral scrambling
05/04/1999US5901182 Metric sifting in breadth-first decoding of convolutional coded data
05/04/1999US5901159 Apparatus and method for decoding a coded digital signal
05/04/1999US5901158 Error correction encoder/decoder
05/04/1999US5901157 Method and apparatus for reducing the access time for storage systems
05/04/1999US5901135 For processing a data signal for transmission
05/04/1999CA2012914C Trellis precoding for modulation systems
05/03/1999CA2250257A1 Method for digital transmission of information
04/1999
04/29/1999WO1999021372A1 Source coding to provide for robust error recovery during transmission losses
04/29/1999WO1999021368A1 Apparatus and method for partial buffering transmitted data to provide robust error recovery in a lossy transmission environment
04/29/1999WO1999021285A1 Apparatus and method for recovery of lost/damaged data in a bitstream of data based on compatibility
04/29/1999WO1999021125A1 Apparatus and method for recovery of quantization codes in a lossy transmission environment
04/29/1999WO1999021124A1 Apparatus and method for recovery of data in a lossy transmission environment
04/29/1999WO1999021090A1 Apparatus and method for providing robust error recovery for errors that occur in a lossy transmission environment
04/29/1999DE19747119A1 Audio signal coding and decoding method
04/29/1999DE19742958A1 Co-processor for signal decoding for e.g. mobile telephone
04/28/1999EP0912021A2 Method and apparatus for data transmission
04/28/1999EP0912008A2 Error correcting code encoding device and method
04/28/1999EP0911984A1 Reed solomon error correction with shared memory approach
04/28/1999EP0911983A1 Reed solomon error correcting circuit and method and device for euclidean mutual division
04/28/1999EP0911982A1 Reed Solomon error correction with shared memory approach
04/28/1999EP0911981A2 Method and device for coding/decoding an audio signal
04/28/1999CN1215495A Encoder for digital data storage
04/28/1999CN1215259A Data decoding equipment and method
04/27/1999US5898712 CRC code generation circuit, code error detection circuit, and CRC circuit having functions of both the CRC code generation circuit and the code error detection circuit
04/27/1999US5898710 Implied interleaving, a family of systematic interleavers and deinterleavers
04/27/1999US5898708 Error correction apparatus and method
04/27/1999US5898531 Signal processing apparatus for digitally modulating input data
04/27/1999CA2044261C A method of adapting a viterbi algorithm to a channel having varying transmission properties, and apparatus for carrying out the method
04/22/1999WO1999007075A3 Data transmission method and system
04/22/1999WO1999007074A3 A hardware-optimized reed-solomon decoder for large data blocks
04/21/1999EP0910066A2 Coding method and apparatus, and decoding method and apparatus
04/21/1999EP0909484A2 Modified reed solomon code selection and encoding system
04/21/1999CN1214575A Reed-solomon decoder employing new polynomial arrangement architecture and decoding method therefor
04/20/1999US5896493 Raid algorithm using a multimedia functional unit
04/20/1999US5896355 Data recording/reproducing apparatus corresponding to a plurality of error correcting system and a data recording medium
04/15/1999WO1999018689A1 Method for protecting important data bits using less important data bits
04/15/1999WO1999018674A1 Variable length decoder and decoding method
04/15/1999WO1999018658A1 Method and apparatus for detecting data in magnetic recording using decision feedback
04/15/1999CA2305553A1 Method for protecting important data bits using less important data bits
04/14/1999EP0909038A2 Decoding of convolutional code with floating point ACS processing
04/14/1999EP0908025A1 Methods for generating side information in the presence of time-selective fading
04/14/1999EP0908017A1 Variable length coding with error protection
04/13/1999US5894486 Coding/decoding apparatus
04/08/1999WO1999017456A1 Method and apparatus for encoding a binary signal
04/08/1999WO1999017455A1 Apparatus and method for aligning trellis demapped data
04/08/1999WO1999017454A1 Two-level error correction encoder