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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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....
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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)...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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....
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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...
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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...
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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...
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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...
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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...
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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,...
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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,...
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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,...
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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...
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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...
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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...
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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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