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)
08/2004
08/04/2004CN1518256A Network coding modulation method for multiuser receiving device in WCDMA system
08/04/2004CN1518241A Receiving device in radio communication system of using at least three transmitter attennas
08/04/2004CN1518240A Data transmitting/receiving of mobile communication system using STTC
08/04/2004CN1518239A Equipment and method for transmit-receive data in mobile communication system using STTC
08/04/2004CN1518238A Device and method for transmitting/receiving pilot sequence in mobile communication using STTC
08/04/2004CN1160975C Coding-decoding method for third-layer protocol message of protable mobile communication system
08/04/2004CN1160726C Error correction device and optical disk reader comprising such device
08/03/2004US6772391 Hybrid interleaver for turbo codes
08/03/2004US6772390 Erasure correction for ECC entities
08/03/2004US6772389 Turbo decoder using binary LogMAP algorithm and method of implementing the same
08/03/2004US6772388 Apparatus and method for providing optimal adaptive forward error correction in data communications
08/03/2004US6772386 Digital signal processing method, data recording and reproducing apparatus, and data recording medium that are resistant to burst errors
08/03/2004US6772385 Error-correcting device and decoder enabling fast error correction with reduced circuit scale
08/03/2004US6772384 Method and circuit for erasure correction
08/03/2004US6772383 Combined tag and data ECC for enhanced soft error recovery from cache tag errors
08/03/2004US6772377 Convolutional interleaving with interleave depth larger than codeword size
08/03/2004US6772374 Continuous language-based prediction and troubleshooting tool
08/03/2004US6772289 Methods and apparatus for managing cached CRC values in a storage controller
08/03/2004US6771978 Radio communication apparatus and method for controlling transmission power
08/03/2004US6771580 Data reproduction apparatus
08/03/2004US6771570 Method and format for reading and writing in a multilevel optical data system
08/03/2004US6771197 Quantizing signals using sparse generator factor graph codes
08/03/2004US6771195 Encoding/decoding n-bit source words into corresponding m-bit channel words, and vice versa, such that the conversion is parity inverting
08/03/2004US6771192 Method and system for DC-balancing at the physical layer
08/03/2004CA2246423C Encoder for digital data storage
07/2004
07/29/2004WO2004064279A1 Method for the transmission of a data word
07/29/2004US20040148561 Stopping and/or reducing oscillations in low density parity check (LDPC) decoding
07/29/2004US20040148560 Efficient encoder for low-density-parity-check codes
07/29/2004US20040148558 Cyclic position codes
07/29/2004US20040148556 Reduced complexity turbo decoding scheme
07/29/2004US20040146029 Rate matching and channel interleaving for a communications system
07/29/2004US20040146025 Apparatus and method for transmitting/receiving a pilot sequence in a mobile communication system using space-time trellis code
07/29/2004DE10301250A1 Verfahren zum Übertragen eines Daten-Worts Method for transmitting a data word
07/28/2004EP1441462A1 Apparatus and method for transmitting and receiving data in a mobile communication system using punctured space-time trellis codes
07/28/2004EP1441461A1 Apparatus and method for transmitting and receiving a pilot sequence in a mobile communication system using space-time trellis codes
07/28/2004EP1441448A2 Apparatus and method for encoding of parallel concatenated convolutional codes and parallel concatenated zigzag codes
07/28/2004EP1440532A2 Inner coding of higher priority data within a digital message
07/28/2004EP0983655B1 Bit detection method in a radio communications system
07/28/2004EP0981863B1 Method and apparatus for enhanced performance in a system employing convolutional decoding
07/28/2004CN1516948A Rate matching device and rate matching method
07/28/2004CN1516459A Transferring ssytem of signal communication in digital multimedia broadcast system and mode
07/28/2004CN1516383A Transmitting/receiving error detecting information equipment and method for communication system
07/28/2004CN1516381A Processing unit and processing method
07/28/2004CN1516376A Transmission format combined indiation decoding method in communication system
07/28/2004CN1516371A Transmission format combined indication decoding method in communication system
07/28/2004CN1516346A Carrier for coding multiword information
07/28/2004CN1516345A Error-correcting coding equipment
07/28/2004CN1516176A Helical scan data recording method and device, single medium and cassette tape
07/28/2004CN1516013A Coading multiword information using word-interleaving mode
07/28/2004CN1159933C Universal convolution encoder and viterbi decoder
07/28/2004CN1159854C Interleave address generator and method thereof
07/28/2004CN1159853C Encoding rate detection method and encoding rate detection device
07/27/2004US6769091 Encoding method and apparatus using squished trellis codes
07/27/2004US6769090 Unified technique for multi-rate trellis coding and decoding
07/27/2004US6769089 Method and apparatus for concatenated channel coding in a data transmission system
07/27/2004US6769088 Sector-coding technique for reduced read-after-write operations
07/27/2004US6769086 Apparatus and methods for a coding scheme selection
07/27/2004US6769039 Data processing apparatus with circuit for confirming normality of serial transmission data
07/27/2004US6768778 Optimal complementary punctured convolutional codes
07/22/2004WO2004062283A1 Digital television transmitter and receiver for transmitting and receiving dual stream using 4 level vestigial side band robust data
07/22/2004WO2004062183A1 Robust signal transmissions in digital television broadcasting
07/22/2004WO2004062180A2 Method and device for adaptive quantization of soft bits
07/22/2004WO2004062113A1 Detection, avoidance and/or correction of problematic puncturing patterns in parity bit streams used when implementing turbo codes
07/22/2004WO2004062112A2 Method and apparatus to encode linear block codes
07/22/2004WO2004062111A1 High speed turbo codes decoder for 3g using pipelined siso log-map decoders architecture
07/22/2004WO2004040829A3 High spread highly randomized generatable interleavers
07/22/2004WO2004008733A3 Method for error concealment in video sequences
07/22/2004WO2003027849A3 Double error correcting code system
07/22/2004US20040143785 Method of detecting broadcasting table change
07/22/2004US20040143784 System and method for correcting linear block code
07/22/2004US20040143722 Method and circuit configuration for transmitting data between a processor and a hardware arithmetic-logic unit
07/22/2004US20040141389 Solid state storage device and data storage method
07/22/2004US20040140915 Method and apparatus for iterative decoding
07/22/2004DE10300268A1 Recursive calculation circuit for path metric values in Viterbi decoder, has two's complement arithmetic circuit for performing compare operations
07/22/2004CA2627995A1 Detection, avoidance and/or correction of problematic puncturing patterns in parity bit streams used when implementing turbo codes
07/22/2004CA2509965A1 Detection, avoidance and/or correction of problematic puncturing patterns in parity bit streams used when implementing turbo codes
07/21/2004EP1439679A2 Multicarrier transmission with variable guard intervals
07/21/2004EP1439678A2 Multicarrier transmission with variable guard intervals
07/21/2004EP1439640A2 Multichannel viterbi decoder
07/21/2004EP1439639A1 Iterative decoding method, and iterative decoding apparatus
07/21/2004EP1438209A1 Signal error detection in railroad communication system
07/21/2004EP1036453A4 Trellis decoding with multiple symbol noncoherent detection and interleaving to combat frequency offset
07/21/2004EP0903025B1 Process for computer-aided resignalling in an automatic repeat request
07/21/2004CN1515080A Method and coding apparatus using low density parity check codes for data storage for data transmission
07/21/2004CN1515079A Low complexing channel decoders
07/21/2004CN1514582A Realizing method of individuality resources preappointed request program based on universal network
07/21/2004CN1514549A Iterative decoding method and device thereof
07/21/2004CN1514548A Error correcting encoding equipment and method
07/21/2004CN1158822C Slice predictor for signal receiver
07/21/2004CN1158821C Method for joint decoding and equalising of digital signal protected by trellis-defined code
07/21/2004CN1158777C Radio communication device and encoding method
07/21/2004CN1158776C Full and half-rate signal space detection method and apparatus for channels with time-varying MTR
07/21/2004CN1158775C Syndrome-based channel quality or message structure determiner and determining method
07/21/2004CN1158605C Method and apparatus for usnig CRC for data integrity on-chip memory
07/20/2004US6766493 Method and apparatus for generating and checking cyclic redundancy code (CRC) values using a CRC generator and binary galois field multiplier
07/20/2004US6766492 Finite state automaton for control of frame error recovery for a universal serial bus video camera
07/20/2004US6766491 Parity mirroring between controllers in an active-active controller pair
07/20/2004US6766490 Reduced table size forward error correcting encoder
07/20/2004US6766489 Device and method of adapting turbocoders and the associated decoders to sequences of variable length
07/20/2004US6766345 Galois field multiplier system