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7636724 Data storage system and method by shredding and deshredding  
A system and method for data storage by shredding and deshredding of the data allows for various combinations of processing of the data to provide various resultant storage of the data. Data...
7624333 Method and apparatus for N+1 packet level mesh protection  
Methods and apparatus are provided for N+1 packet level mesh protection. An error correction encoding method is provided that assembles M-T data packets; appends a sequence number and a payload...
7617435 Hard-decision iteration decoding based on an error-correcting code with a low undetectable error probability  
A decoding system decodes forward error correction (FEC) encoded data. Factor graph circuitry (such as trellis decoder circuitry) processes the FEC encoded data according to at least one factor...
7617439 Algebraic construction of LDPC (Low Density Parity Check) codes with corresponding parity check matrix having CSI (Cyclic Shifted Identity) sub-matrices  
Algebraic method to construct LDPC (Low Density Parity Check) codes with parity check matrix having CSI (Cyclic Shifted Identity) sub-matrices. A novel approach is presented by which identity...
7617442 Efficient construction of LDPC (Low Density Parity Check) codes with corresponding parity check matrix having CSI (Cyclic Shifted Identity) sub-matrices  
Efficient construction of LDPC (Low Density Parity Check) codes with corresponding parity check matrix having CSI (Cyclic Shifted Identity) sub-matrices. These constructed LDPC codes can be...
7613163 Method for transmission of digital information packets in a data network  
The invention relates to a method for transmitting digital information packets in a data network from an emitter to a receiver, the information packets being transported by means of a transport...
7613988 Degree limited polynomial in Reed-Solomon decoding  
Processing Reed Solomon data is disclosed. A scratch polynomial having a degree is obtained using an inversionless Berlekamp-Massey process. The degree of the scratch polynomial is limited. A...
7613537 Method and system of recognizing ID marks appended on base materials, and method of manufacturing products by base materials with the ID marks  
A method of recognizing ID marks encompasses reading the ID marks appended on base materials, and converting the ID marks into bit data; identifying the converted bit data with one of original bit...
7607067 Method and apparatus for accessing memory  
A two-dimensional array is stored in a first storage memory. A data accessing direction of the first storage memory is in a row direction. A method for reading data in the two-dimensional array in...
7603608 Data processing method, data recording apparatus and data transmission apparatus  
Systems and methods for ending, storing and transmitting data generate error correcting code words for data that is provided for each of a plurality of channels. The error correcting code words...
7600176 Performing multiple Reed-Solomon (RS) software error correction coding (ECC) Galois field computations simultaneously  
Performing multiple Reed-Solomon (RS) software error correction coding (ECC) Galois field computations simultaneously in a RISC processor. A means is presented by which multiple Galois field...
7590923 Architecture and control of Reed-Solomon error identification and evaluation  
Systems and methods are provided for implementing error identification and evaluation for a Reed-Solomon (RS) error-correction code (ECC) system. The BMA algorithm and/or list decoding may produce...
7590921 Data communication system and method  
A data communication system has a plurality of communication transceivers respectively coupled to a plurality of communication lines and is configured to receive payload symbols and parity symbols....
7584405 Fault-detecting computer system  
A method for detecting computational errors in a digital processor executing a program. Initially, the program is divided into computation segments, and source code for at least one of the segments...
7581158 Distribution method, preferably applied in a streaming system  
The invention relates to a data live streaming system comprising at least one data live streaming broadcaster LSB and at least two live streaming recipients LSR, said at least two live streaming...
7577898 System and method of correcting video data errors  
The present disclosure is directed to a system and method of correcting video data errors. In a particular embodiment, the method includes receiving a plurality of Internet Protocol (IP) video data...
7565596 Data recovery systems  
Embodiments of methods and systems for controlling access to information stored on memory or data storage devices are disclosed. In various embodiments, methods of retrieving information from a...
7562282 Disk drive employing error threshold counters to generate an ECC error distribution  
A disk drive is disclosed comprising a head actuated over a disk. A redundancy generator generates a plurality of redundancy symbols appended to user data to form a codeword C(x) written to a...
7558297 Robust digital communication system  
Normally ordered robust VSB data are reordered in accordance with a first interleave to produce reordered robust VSB data. The reordered robust VSB data and ATSC data are reordered in accordance...
7549106 Decoding method  
A method for decoding forward error correction (FEC) encoded data. A stream of units of FEC encoded bits are received, where the units are derived from a transmitted signal, where each unit...
7549105 Construction of irregular LDPC (low density parity check) codes using RS (Reed-Solomon) codes or GRS (generalized Reed-Solomon) code  
Construction of Irregular LDPC (Low Density Parity Check) codes using RS (Reed-Solomon) codes or GRS (Generalized Reed-Solomon) codes. As described herein, a wide variety of irregular LDPC codes...
7549107 Interleaved reed solomon coding for home networking  
A method of transmitting data packets over a non-dedicated local area network channel susceptible to random burst and/or white gaussian noise channel errors. Each data packet is encoded to form an...
7543215 Integrated apparatus for multi-standard optical storage media  
An integrated apparatus for multi-standard optical media includes a compact disc/digital versatile disc (CD/DVD) processor, a high-definition DVD (HDDVD) processor and a Blu-ray disc (BD)...
7539927 High speed hardware implementation of modified Reed-Solomon decoder  
A decoder suitable for use in a digital communications system utilizing an RS(n′, k′) code modified from an RS(n, k) code receives n′-symbol vectors each including k′ message symbols and...
7539928 Method and apparatus for decoding inner and outer codes in a mobile communication system  
A method and apparatus for decoding inner and/or outer codes in a mobile communication system. The inner and/or outer codes are decoded at low power and high speed. An inner decoder performs...
7536629 Construction of LDPC (Low Density Parity Check) codes using GRS (Generalized Reed-Solomon) code  
Construction of LDPC (Low Density Parity Check) codes using GRS (Generalized Reed-Solomon) code. A novel approach is presented by which a GRS code may be employed to generate a wide variety of...
7536628 Decoding apparatus, decoding method and program  
The present invention provides a decoding apparatus for carrying out a decoding process on a ring-R linear code. The decoding apparatus includes coded-word holding means for acquiring a coded word...
7533325 Anamorphic codes  
The error tolerance of an array of m storage units is increased by using a technique referred to as “dodging.” A plurality of k stripes are stored across the array of storage units in which...
7530005 Storage device  
The present invention has been made to realize a storage device capable of normally reading out data from the erase processing applied area. In a semiconductor storage device 1, when data read...
7530008 Scalable-chip-correct ECC scheme  
An apparatus comprises an encode circuit coupled to receive input data and configured to generate corresponding codewords and a decode circuit coupled to receive codewords and detect an error in...
7530009 Data storage method and data storage device  
A data storage device comprising a disk storage medium containing user data in a plurality of sectors wherein each of the plurality of sectors comprises a subdivision of a track, a head for writing...
7526716 Recording/regenerating device, method of encoding error correction, method of recording data  
Embodiment of the invention is to make the number of interleave sequences and the number of redundant bits as small as possible without increasing the number of bits per symbol so much. By encoding...
7526712 Deinterleaving apparatus and method using inner memory and outer memory  
An apparatus and a method for deinterleaving using an inner memory and an outer memory. The apparatus includes data receiving apparatus of a mobile equipment in a mobile communication system...
7526710 Recording format for information date, information recording/reproducing cording circuit  
An efficient encoding method is provided for error correction coding in high density magnetic recording/reproducing apparatus. A first encoding circuit applies a first error correction coding to...
7519898 Iterative decoding of linear block codes by adapting the parity check matrix  
A method of decoding linear block code uses an iterative message passing algorithm with a binary image of a parity check matrix of the linear block code, wherein the parity check matrix is adapted...
7516394 Method and apparatus for combined encoder/syndrome computer with programmable parity level  
Methods and apparatus are provided for a combined encoder/syndrome computer with a programmable parity level. In one embodiment, a circuit is disclosed that generates check symbols during an...
7512866 Information recording/reproducing apparatus, and information recording medium  
In an information recording, a first data processor divides input data into a plurality of frames so as to arrange the plurality of frames for each unit block. The unit block is a unit of...
7509558 Error correction method for reed-solomon product code  
A method and apparatus for error correction of an encoded data stream. A demodulated data stream is saved in an input buffer. A first correction process is performed on-the-fly in the input buffer....
7509564 High speed syndrome-based FEC encoder and system using same  
A decoder, encoder and corresponding system are disclosed for providing fast Forward Error Correcting (FEC) decoding and encoding of syndrome-based error correcting codes. Three-parallel processing...
7509565 Wireless access modem having downstream channel resynchronization method  
A resynchronization method for use in a data communication system having a first device configured to transmit data at a symbol rate to a second device. The second device includes a Reed Solomon...
7509563 Flexible forward error correction  
A forward error correction method including inserting at least one filler symbol into an input data stream at a pre-determined position, thereby generating a precoded symbol group, FEC encoding the...
7502989 Even-load software Reed-Solomon decoder  
A software implementation of a Reed-Solomon decoder placing a constant load on the processor of a computer. A Berlekamp-Massey Algorithm is used to calculate the coefficients of the error locator...
7502982 Iterative detector with ECC in channel domain  
A communications channel is provided, which includes a receive path having an iterative decoder and an ECC decoder. The iterative decoder has a soft channel detector with a soft output. The ECC...
7502988 Decoding and error correction for algebraic geometric codes  
A method of decoding a one-point algebraic geometric code defined on an algebraic curve of the kind C(a,b), represented by an equation of degree b in X and of degree a in Y. For any received word,...
7496825 CRC-based error correction  
An ordered list of CRC syndromes, corresponding to single-bit errors, is used to identify an error bit position, enabling correction of the bit at the identified error bit position. For instance,...
7496826 Method, system, and apparatus for adjacent-symbol error correction and detection code  
A circuit and method for generating an Error Correcting Code (ECC) based on an adjacent symbol codeword that is formed in two clock phases among other techniques are described. In one embodiment,...
7493547 Apparatus for coding low density parity check code and method thereof  
The present invention provides a coding device of a low-density parity-check (LDPC) code for simply coding information data without generating a code generator matrix. The coding device forms a...
7492291 Methods and apparatus for interfacing a plurality of encoded serial data streams to a serializer/deserializer circuit  
Methods and apparatus are provided for interfacing a plurality of encoded serial data streams, such as Serial Gigabit Media Independent Interface streams, to a serializer/deserializer circuit. A...
7493546 Data recording method, recording medium and reproduction apparatus  
A recording medium for storing a data stream is comprised of first error correcting codes obtained by encoding first information, second error correcting codes obtained by encoding second...
7478310 Programmable error correcting device  
A programmable error correcting device is disclosed. The programmable error correcting device includes a controller for receiving information about a length of a codeword, an error correcting...
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