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US20100083068 |
Allocation Of Symbols Of An Erasure Code Across A Plurality Of Devices
A technique is provided for determining an allocation of the symbols of an erasure code across a plurality of devices. A list of erasure patterns is provided for the erasure code and, based on the...
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US20100077277 |
Multi-CSI (Cyclic Shifted Identity) sub-matrix based LDPC (Low Density Parity Check) codes
Multi-CSI (Cyclic Shifted Identity) sub-matrix based LDPC (Low Density Parity Check) codes. A CSI parameter set, that includes at least one dual-valued entry and may also include at least one...
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US20090217124 |
METHOD AND DEVICE FOR MULTI PHASE ERROR-CORRECTION
Data bits to be encoded are split into a plurality of subgroups. Each subgroup is encoded separately to generate a corresponding codeword. Selected subsets are removed from the corresponding...
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US20090037789 |
METHOD OF DECODING CONTENT DATA BLOCKS, CORRESPONDING COMPUTER PROGRAM PRODUCT AND DECODING DEVICE
It is proposed a method of decoding a set of symbols to be decoded, several data blocks representative of the set of symbols to be decoded being received by a decoding node of a communications...
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US20090225791 |
IP STREAM COMMUNICATING SYSTEM, IP STREAM RECEIVING APPARATUS AND RECEPTION PROCESSING TIMING SYNC METHOD FOR USE IN IP STREAM RECEIVING APPARATUS
The invention provides an IP stream communicating system having a receiving apparatus which, when a reception IP (Internet Protocol) stream is inputted, performs at a reception processing timing at...
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US20100153823 |
CODING METHOD AND CODING DEVICE
The present invention relates to coding method and coding device that allow Rate-Compatible LDPC (low-density parity-check) codes to have favorable BER performance both with a low code rate and...
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US20110161770 |
LOW DENSITY PARITY CHECK CODEC AND METHOD OF THE SAME
The present invention provides a low-complexity and multi-mode Low-density Parity-check (LDPC) codec, in which the decoding operations are divided into small tasks and a unified hardware is...
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US20100199142 |
ENCODING SCHEME, AND A DECODING SCHEME USING A SERIES OF LDPC CODES BASED ON FINITE INVERSIVE SPACES
There is disclosed a method of creating an LDPC code that is defined by a parity-check matrix H. The parity-check matrix H is derived from a (0,1)-geometry which is induced by a finite inversive...
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US20090307562 |
METHOD OF MATCHING CODEWORD SIZE AND TRANSMITTER THEREFOR IN MOBILE COMMUNICATIONS SYSTEM
The present invention relates to a method and a transmitter for matching a size of codeword encoded by low density parity check (LDPC) code to a size of a transmission channel and in a mobile...
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US20100287440 |
MATRIX STRUCTURE FOR BLOCK ENCODING
A plurality of information bits are encoded using a parity-check matrix that is equivalent to a modular code matrix. The modular code matrix is a diagonal sub-matrix structure immediately above a...
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US20110113300 |
DECODING METHOD, DECODING DEVICE, INTERLEAVING METHOD, AND TRANSMITTER
A decoding device allowing a high-speed decoding operation. In a decoding section (215), if a degree of a check equation by a check matrix is D and the relationship between the check equation of...
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US20090274242 |
DIGITAL BROADCAST TRANSMITTER AND RECEIVER AND METHOD FOR PROCESSING STREAM THEREOF
A digital broadcast receiver is provided. The digital broadcast receiver includes a receiver which receives a transport stream transmitted from a digital broadcast transmitter, an additional data...
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US20100083069 |
Selecting Erasure Codes For A Fault Tolerant System
A technique for selecting an erasure code from a plurality of erasure codes for use in a fault tolerant system comprises generating a preferred set of erasure codes based on characteristics of the...
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US20100058142 |
APPARATUS, METHODS, AND COMPUTER PROGRAM PRODUCTS UTILIZING A GENERALIZED TURBO PRINCIPLE
Exemplary embodiments of the invention provide a generalized Turbo principle that enables the exchange of region beliefs between components. The generalized Turbo principle provides various...
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US20120030546 |
WATERMARKING ELECTRONIC TEXT DOCUMENTS
A text watermarking method embeds an auxiliary message in an original electronic text document to form a watermarked text document. The method applies a spreading function to message symbols to...
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US20080301524 |
DECODER DEVICE AND METHOD FOR DECODING DATA STORED IN STORAGE MEDIUM
A decoder device includes: a decoder that decodes data stored in a storage medium by performing error correction on the data, the error correction being capable of correcting code error and code...
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US20090199065 |
GLDPC ENCODING WITH REED-MULLER COMPONENT CODES FOR OPTICAL COMMUNICATIONS
A method of encoding for optical transmission of information includes encoding information with a generalized low-density parity-check (GLDPC) code for providing coding gains, and constructing the...
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US20060150053 |
Switching method for mdc/scalable coding
A system and method is provided for switching between multiple description coding and scalable coding that is dependent on the network characteristics and uses forward error correction (FEC) and...
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US20100058151 |
IMPLEMENTATION OF RECYCLING UNUSED ECC PARITY BITS DURING FLASH MEMORY PROGRAMMING
Methods for recycling unused error correction code (ECC) during flash memory programming, comprise generating ECC from user data to form a syndrome and storing the syndrome into volatile memory....
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US20090199064 |
Corrupted packet toleration and correction system
A corrupted packet toleration and correction system includes a receiver adapted to employ a cross layer protocol that distinguishes between corrupted packets and error-free packets, and tolerates...
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US20080163022 |
EFFICIENT CTC ENCODERS AND METHODS
Embodiments of encoding input data into parity data in mechanisms are described generally herein. Other embodiments may be described and claimed.
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US20090031186 |
Error correction coding apparatus
An error correction coding apparatus is disposed to generate a low-density parity-check code 16 from an input information sequence 15 by using a low-density parity-check matrix which satisfies a...
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US20090217126 |
GENERATION OF TANNER GRAPHS FOR SYSTEMATIC GROUP CODES FOR EFFICIENT COMMUNICATION
A computer implemented method of communicating includes receiving systematic group codes representative of one or more messages. A Tanner graph is used to decode such systematic group codes. A...
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US20110047432 |
APPARATUS AND METHOD FOR CODING IN COMMUNICATION SYSTEM
Disclosed is a method and apparatus for coding in a communication system. The coding method includes generating an information codeword vector from an information vector, generating a first vector...
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US20090204868 |
METHOD AND APPARATUS FOR SIGNAL TRANSMISSION/RECEPTION IN A COMMUNICATION SYSTEM USING AN HARQ SCHEME
An apparatus and method for transmitting a signal in a communication system using a Hybrid Automatic Repeat reQuest (HARQ) scheme are provided. The method includes generating a codeword vector by...
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US20110179330 |
WIRELESS COMMUNICATION TERMINAL AND COMMUNICATION CONTROL METHOD
A wireless communication terminal having a plurality of antennas with a variable relative distance includes a decoder for iterative decoding of reception signals including an error-correcting code...
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US20100070825 |
Fast Low-Density Parity-Check Code Encoder
Methods, apparatus, and systems are provided to encode a low-density parity-check codeword for transmission in a communications channel. In an embodiment, the encoding may include partially...
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US20090150745 |
TRAPPING SET DECODING FOR TRANSMISSION FRAMES
Trapping set decoding for transmission frames is disclosed. In one aspect, a trapping set decoder includes a decoder that performs decoding operations on an encoded codeword in received data, and a...
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US20110289375 |
METHOD FOR CONSTRUCTING AN LDPC CODE, TRANSMITTER, AND RECEIVER
Disclosed are: a method for constructing a low-density parity-check (LDPC) code for use in next-generation mobile communication and deep-space communication by using a cyclic distribution; a...
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US20090158112 |
METHOD FOR PRODUCING PARITY CHECK MATRIX FOR LOW COMPLEXITY AND HIGH SPEED DECODING, AND APPARATUS AND METHOD FOR CODING LOW DENSITY PARITY CHECK CODE USING THE SAME
Provided are a method for producing a parity check matrix for low complexity and high speed decoding, and an apparatus and method for coding a Low Density Parity Check (LDPC) code using the same....
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US20080301518 |
LDPC Check Matrix Generation Method, Check Matrix Generator, and Code Retransmission Method
A check matrix generation method for generating a check matrix H1 of a code H1 from a check matrix H0 of a code C0, where codes C0 and C1 are LDPC systematic codes having different encoding ratios...
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US20100174964 |
SYSTEMS AND METHODS FOR A TURBO LOW-DENSITY PARITY-CHECK DECODER
A method for forming a plurality of parity check matrices for a plurality of data rates for use in a Low-Density Parity-Check (LDPC) decoder, comprises establishing a first companion exponent...
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US20100061400 |
FRAME GENERATION APPARATUS AND METHOD OF PROTECTING PROTOCOL HEADER INFORMATION OVER WIDEBAND HIGH FREQUENCY WIRELESS SYSTEM
Provided are a frame generation apparatus and method that may protect variable length header information in a wideband high frequency wireless system. The frame generation apparatus may report...
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US20100100793 |
DIGITAL TELEVISION SYSTEMS EMPLOYING CONCATENATED CONVOLUTIONAL CODED DATA
In iterative-diversity (ID) transmission systems for signals with concatenated convolutional coding (CCC), paired iterative diversity signals each have ½ the code rate of the 8VSB DTV signals ...
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US20100042892 |
RECONFIGURABLE TWO'S-COMPLEMENT AND SIGN-MAGNITUDE CONVERTER
In one embodiment, a reconfigurable two's-complement-to-sign-magnitude (2TSM) converter has two five-bit non-reconfigurable 2TSM converters and is selectively configurable to operate in a five-bit...
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US20100031117 |
Method for specifying transport block to codeword mapping and downlink signal transmission method using the same
A method for specifying a transport block-to-codeword mapping relationship and a method for transmitting a downlink signal using the same are described. If a swap flag has a first logic value, a...
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US20090177943 |
ERROR CORRECTION CODING USING SOFT INFORMATION AND INTERLEAVING
Error correction coding using soft information and interleaving. A symbol interleaved ECC signal (which can be a symbol interleaved multi-level ECC signal) initially undergoes detection (e.g., such...
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US20120240002 |
METHOD FOR CONTROLLING A BASIC PARITY NODE OF A NON-BINARY LDPC CODE DECODER, AND CORRESPONDING BASIC PARITY NODE PROCESSOR
A method for controlling an elementary parity node of a decoder for decoding non-binary LDPC codes or a code decoder using at least one non-binary parity constraint, and to the corresponding...
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US20100023525 |
MEDIA CONTAINER FILE MANAGEMENT
The invention teaches a media container file comprising media data organized into media source blocks. Forward error correction (FEC) redundancy data is pre-calculated for the different source...
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US20110022926 |
MESM: A FAST BJCR BASED DECODER IMPLEMENTATION SCHEME
A memory efficient, accelerated implementation architecture for BCJR based forward error correction algorithms. In this architecture, a memory efficiency storage scheme is adopted for the metrics...
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US20080059862 |
APPARATUS AND METHOD TO TRANSMIT/RECEIVE SIGNAL IN A COMMUNICATION SYSTEM
An apparatus and method for transmitting/receiving a signal in a communication system are provided. A signal reception apparatus of a communication system receives a signal and generates a child...
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US20100088577 |
Multi-Mode Forward Error Correction
According to one embodiment, a system for multi-mode forward error correction comprises a substrate, forward error correction (FEC) modules, and a controller. The FEC modules are disposed outwardly...
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US20090313520 |
METHOD OF ENCODING/DECODING USING LOW DENSITY CHECK CODE MATRIX
A method of encoding data using a parity check matrix, a method of decoding encoded data, and a data retransmission method using the same are disclosed. A data retransmission method in a...
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US20120324309 |
DECODING METHOD AND DECODING APPARATUS
A decoding device allowing a high-speed decoding operation. In a decoding section (215), if a degree of a check equation by a check matrix is D and the relationship between the check equation of...
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US20090282320 |
ITERATIVE DECODER WITH STOPPING CRITERION GENERATED FROM ERROR LOCATION POLYNOMIAL
A decoder for error correction an encoded message, such as one encoded by a turbo encoder, with reduced iterations due to an improved stopping criterion. The decoder includes an error correction...
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US20090313523 |
ENCODERS AND METHODS FOR ENCODING DIGITAL DATA WITH LOW-DENSITY PARITY CHECK MATRIX
A method for encoding digital data with a low-density parity check (LDPC) matrix includes: indirectly storing a non-regular portion of the LDPC matrix by storing a plurality of indices...
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US20100077276 |
TRANSMITTING DEVICE, RECEIVING DEVICE, ENCODER, AND ENCODING METHOD
In such a relationship between information transmitted by a primary BCH, for example, and information transmitted by a non-primary BCH as a case of the transmission for a first information sequence...
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US20090177939 |
Method for Coding Biometric Data, Method for Controlling Identity and Devices for Carrying Out said Methods
The invention relates to a coding method consisting of the following steps: biometric data associated with an individual is obtained; a word, relating to an error correction code, selected in older...
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US20110022923 |
System and Method for Achieving Greater Than 10 Gbit/s Transmission Rates for Twisted Pair Physical Layer Devices
A system and method for achieving greater than 10 Gbit/s transmission rates for twisted pair physical layer devices. An architecture is provided that enables transmission at the next standardized...
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US20100251059 |
SHUFFLED LDPC DECODING
An LDPC decoder iteratively decodes an LDPC code represented by a parity check matrix H consisting of a plurality of circulants based on a Log-Likelihood Ratio Belief-Propagation algorithm. First...
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