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)
06/2004
06/29/2004US6757865 Turbo-code error correcting decoder, turbo-code error correction decoding method, turbo-code decoding apparatus, and turbo-code decoding system
06/29/2004US6757864 Method and apparatus for efficiently reading and storing state metrics in memory for high-speed ACS viterbi decoder implementations
06/29/2004US6757863 Read channel circuit and method for decoding using reduced-complexity error correction
06/29/2004US6757862 Method and apparatus for digital data error correction coding
06/29/2004US6757860 Channel error protection implementable across network layers in a communication system
06/29/2004US6757859 Parallel turbo trellis-coded modulation
06/29/2004US6757858 System signaling for payload fault detection and isolation
06/29/2004US6757851 Error control method for video bitstream data used in wireless communication and computer program product therefor
06/29/2004US6757848 Recovery of user data from partially incorrect data set in tape data storage system
06/29/2004US6757701 Apparatus and method for implementing a linearly approximated log map algorithm
06/29/2004US6757337 Coding-assisted MIMO joint detection and decoding
06/29/2004US6757122 Method and decoding apparatus using linear code with parity check matrices composed from circulants
06/29/2004US6756872 Resource-constrained turbo-equalization
06/29/2004CA2058450C Treillis precoding for fractional bits/baud
06/24/2004WO2004054115A1 Turbo decoder using parallel processing
06/24/2004WO2004053866A1 Bit detector having partitioned photo detector
06/24/2004US20040123230 Simplified message-passing decoder for low-density parity-check codes
06/24/2004US20040123229 Encoding/decoding apparatus using low density parity check code
06/24/2004US20040123228 Coding apparatus, coding method, decoding apparatus, and decoding method
06/24/2004US20040123227 Hybrid multi-user interference cancellation method and device using clustering algorithm based on dynamic programming
06/24/2004US20040123226 Radix-N architecture for deinterleaver-depuncturer block
06/24/2004US20040123225 Forward error corrector
06/24/2004US20040123223 Multi-dimensional data protection and mirroring method for micro level data
06/24/2004US20040123221 CRC calculation for data with dynamic header
06/24/2004US20040123219 FEC decoder and method
06/24/2004US20040123218 Forward error correction scheme for data channels using universal turbo codes
06/24/2004US20040123217 Decoding concatenated codes via parity bit recycling
06/24/2004US20040123216 Low complexity decoding schemes for single-parity-check (SPC) based concatenated codes
06/24/2004US20040123215 Low decoding complexity concatenated codes for high rate coded transmission
06/24/2004US20040123214 Iterative decoding method, and terative decoding apparatus
06/24/2004US20040123213 System and method for correcting data errors
06/24/2004US20040122883 High speed add-compare-select circuit for radix-4 Viterbi decoder
06/24/2004US20040120427 Branch metric unit duplication for high speed decoder FPGA implementation
06/24/2004US20040119616 Demodulation apparatus and method using code table that decreases complexity
06/24/2004DE10344340A1 31/34 Trelliscode mit geringer Fehlerausbreitung 31/34 trellis code with a low error propagation
06/23/2004EP1432165A1 Method and device for decoding variable rate data
06/23/2004EP1432130A1 Decoding device and decoding method
06/23/2004EP1432129A2 Iterative Decoding of parallel concatenated Zigzag codes
06/23/2004EP1432128A2 Method and device for soft demodulation using a code table
06/23/2004EP1430608A2 Method and apparatus for encoding data in parallel
06/23/2004EP1430607A1 Encoder redundancy selection system and method
06/23/2004EP0927480B1 Interference mitigation by joint detection of cochannel signals
06/23/2004CN1507714A Method for coding/decoding a stream of coded digital data with bit-interleaving in multiple transmission and in reception in the presence of intersymbol interference and corresponding system
06/23/2004CN1507713A Adaptive modulation for wireless networks
06/23/2004CN1507694A Interleaver and interleaving method in a communication system
06/23/2004CN1507693A Method for transmitting a digital massage and system for carrying out said method
06/23/2004CN1507160A DC balanced-code encoder
06/23/2004CN1155161C Tebo code decode and its decoding method
06/23/2004CN1155160C Method anda pparatus for transmitting and receiving chained code data
06/22/2004USRE38539 Data communication and radio system
06/22/2004US6754871 Method and apparatus for using fire decoder to correct burst errors in a real-time communications system
06/22/2004US6754870 CRC operation unit and CRC operation method
06/22/2004US6754824 Modulated message authentication system and method
06/22/2004US6754790 Method of accessing memory of de-interleaving unit
06/22/2004US6754291 Method and device of outputting demodulation result in soft-decision decoding and receiver
06/22/2004US6754290 Highly parallel map decoder
06/22/2004US6754263 Automatic equalizer
06/22/2004CA2329652C Demodulator, receiver, and communication system
06/17/2004WO2004051864A2 Dynamic real time generation of 3gpp turbo decoder interleaver sequence
06/17/2004WO2004051862A1 Automated method for compressing binary strings without information loss, and related automated method for decompressing
06/17/2004WO2004051861A1 Automated method for compressing binary strings without information loss, and related automated method for decompressing
06/17/2004WO2004051650A1 Data recording and reproducing device, and data recording and reproducing method
06/17/2004WO2003096600A8 Data delivery in a hybrid automatic retransmission mechanism in cdma communication systems
06/17/2004US20040117723 Error correction scheme for memory
06/17/2004US20040117722 Performance of communication systems using forward error correction
06/17/2004US20040117721 Pipelined add-compare-select circuits and methods, and applications thereof
06/17/2004US20040117720 Pragmatic trellis code modulation decoder and a method thereof
06/17/2004US20040117719 Methods and devices for decoding one-point algebraic geometric codes
06/17/2004US20040117718 Systems and methods for providing improved encoding and reconstruction of data
06/17/2004US20040117717 Apparatus and method for a flush procedure in an interrupted trace stream
06/17/2004US20040117716 Single engine turbo decoder with single frame size buffer for interleaving/deinterleaving
06/17/2004US20040117715 Method and apparatus for controlling turbo decoder input
06/17/2004US20040117713 Generalized convolutional interleaver/de-interleaver
06/17/2004US20040117711 Method for improving the performance of 3-dimensional concatenated product codes
06/17/2004US20040116142 Block error rate estimate reporting for target signal to interference ratio adjustment
06/17/2004US20040114596 Method and apparatus for deinterleaving interleaved data stream in a communication system
06/17/2004US20040113650 Methods and apparatuses for signal line termination
06/16/2004EP1429485A1 Apparatus and method for generating scrambling code in UMTS mobile communication system
06/16/2004EP1429484A1 Apparatus and method for generating scrambling code in UMTS mobile communication system
06/16/2004EP1428374A1 Process, arrangement, devices for seizure of a shared telephone line
06/16/2004EP1428322A2 System and method for reducing the peak power in multi-carrier modulation
06/16/2004EP1428225A2 Concept for reliable data transmission between electronic modules
06/16/2004EP1428206A1 Bit error concealment methods for speech coding
06/16/2004EP1064728B1 Technique for finding a starting state for a convolutional feedback encoder
06/16/2004CN1505876A Method of transmitting signaling messages in a mobile telecommunications network
06/16/2004CN1505282A Forward error correction encoder
06/16/2004CN1505273A Interleaving / deinterleaving device and method for communication system
06/16/2004CN1154391C System and method for measuring channel quality information in a communication system
06/16/2004CN1154356C Digital error correction apparatus using 1 bit to erase signals
06/16/2004CN1154292C Sprial scrambling
06/16/2004CN1154285C Flexible method of error protection in communications systems
06/16/2004CN1154284C Source-controlled channel decoding using intra-frame correlation
06/16/2004CN1154283C Coding method and apparatus, and decoding method and apparatus
06/16/2004CN1154240C Communication device and communication method
06/16/2004CN1154239C Data error correcting device
06/16/2004CN1154238C Interleave address generating device and interleave address generating method
06/16/2004CN1154237C Encoding/decoding device and encoding/decoding method
06/16/2004CN1154236C Error correction coding type digital transmission method
06/16/2004CN1153956C Misread preventing A/D conversion method and device for multiple-place mechanical counter
06/15/2004US6751775 Tap-selectable reduced state sequence estimator