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7401285 Error correction method for high density disc  
An error correction method for optical discs, and more particularly, an error correction method appropriate to high density discs is provided. The error correction method adds inner parity and...
7401284 Module for generating circuits for decoding convolutional codes, related method and circuit  
The present invention relates to a module 50 for generating integrated decoding circuits for use, in particular, in turbo devices, to the method for defining the characteristics of and generating...
7398446 Low power operation of an address interleaver  
A first interleaved address generator is configured to generate a first interleaved address, and a second interleaved address generator is configured to generate a second interleaved address...
7395491 Decoding device for decoding product code and decoding method using the same  
A decoding device for decoding a product code and a decoding method using the same are provided. The decoding device comprises an erasure flag processor, a decoder and a confidence flag processor....
7395487 Common circuitry supporting both bit node and check node processing in LDPC (Low Density Parity Check) decoder  
Common circuitry supporting both bit node and check node processing in LDPC (Low Density Parity Check) decoder. A novel approach is presented by which a decoder may use the same circuitry to...
7395461 Low complexity pseudo-random interleaver  
An interleaver has an input multiplexer that receives a data sequence at an interleaver input and that separates the data sequence into multiple data sub-blocks. The interleaver has a linear...
7392455 Error correction coding method using at least twice a same elementary code, coding method, corresponding coding and decoding devices  
The invention relates to an error correction coding method, using at least two distinct sections of a predetermined elementary code, associating an arrival vector (s 2 , s 3 ) with a starting state...
7391826 Decoding method and apparatus  
A method of decoding is provided comprising processing iterations. In each processing iteration, there is a first Max-Log-MAP decoding operation giving rise to a systematic error due to the Max-Log...
7389468 Writing and reading of data in probe-based data storage devices  
Methods and apparatus are provided for controlling writing and reading of data in an array of A storage fields of a probe-based data storage device in which data is written to and read from the...
7389465 Error detection and correction scheme for a memory device  
Data is read from a memory array. Before being stored in a data buffer, a Hamming code detection operation and a Reed-Solomon code detection operation are operated in parallel to determine if the...
7389464 Apparatus and method for encoding and decoding a space-time low density parity check code with full diversity gain  
In a mobile communication system including a transmitter and a receiver, an LDPC code is generated by encoding received information data such that a fifth partial matrix obtained by combining a...
7386779 Systems and methods for correcting errors in a received frame  
The present invention provides systems and methods for correcting errors in a received frame. The present invention introduces diversity into an error detection and correction system at the...
7386766 Address generation apparatus for turbo interleaver and deinterleaver in W-CDMA systems  
There is provided an address generation apparatus for one of an interleaver and a deinterleaver in a Wideband Code Division Multiple Access (W-CDMA) system. The apparatus includes an address pair...
7383491 Error correction method for high density disc  
An error correction method for optical discs, and more particularly, an error correction method appropriate to high density discs is provided. The error correction method adds inner parity and...
7380196 Data processing method and apparatus, recording medium, reproducing method and apparatus using the same method  
A burst error-correcting capability is largely improved. At least the even-number row and at least the odd-number row of the data block which is a set of data sectors are separated. An outer parity...
7376882 Adaptable channel compensation for reliable communication over fading communication links  
A method for reducing fading channel signal data loss for serial data rates up to approximately 10 gigabits per second includes sequentially distributing serial data to multiple encoders....
7373582 Apparatus and method for turbo decoding using a variable window size  
An apparatus and method for turbo decoding using a variable window size. A control logic block receives information about a code rate of received data bits and a data block size, adjusts a window...
7370332 Arrangement and method for iterative decoding  
An arrangement and method for Turbo processing iterative decoding in a radio receiver comprises receiving a block of data for decoding; decoding a whole block of data to produce a respective...
7370267 Error correction method for high density disc  
An error correction method for optical discs, and more particularly, an error correction method appropriate to high density discs is provided. The error correction method adds inner parity and...
7370259 Data processing method and apparatus, recording medium, reproducing method and apparatus using the same method  
A burst error-correcting capability is largely improved. At least the even-number row and at least the odd-number row of the data block which is a set of data sectors are separated. An outer parity...
7370258 Iterative concatenated convolutional Reed-Solomon decoding method  
A method and apparatus for decoding a coded data stream of bits using an inner decoder, deinterleaver and an outer decoder. The outer decoder first decodes by error correction decoding for r errors...
7363571 Data processing method and apparatus, recording medium, reproducing method and apparatus using the same method  
A burst error-correcting capability is largely improved. At least the even-number row and at least the odd-number row of the data block which is a set of data sectors are separated. An outer parity...
7356754 Data processing method and apparatus, recording medium, reproducing method and apparatus using the same method  
A burst error-correcting capability is largely improved. At least the even-number row and at least the odd-number row of the data block which is a set of data sectors are separated. An outer parity...
7356753 Method and apparatus for error code correction  
A method and apparatus for ECC (error code correction) adopts a first directional first decoding, a first directional second decoding with a greater error tolerant ability than the first...
7356752 Enhanced turbo product codes  
A hyper encoder module encodes a block of data having a plurality of sub-blocks. Each sub-block includes a plurality of systematic block code codewords. A parity sub-block is added to the block....
7352780 Signaling byte resiliency  
A method and system for providing signaling byte resiliency across a telecommunications network. Embodiments of the invention create copies of original signaling bytes and transports the copies in...
7350129 Data processing method and apparatus, recording medium, reproducing method and apparatus using the same method  
A burst error-correcting capability is largely improved. At least the even-number row and at least the odd-number row of the data block which is a set of data sectors are separated. An outer parity...
7350128 Data processing method and apparatus, recording medium, reproducing method and apparatus using the same method  
A burst error-correcting capability is largely improved. At least the even-number row and at least the odd-number row of the data block which is a set of data sectors are separated. An outer parity...
7346828 Data processing method and apparatus, recording medium, reproducing method and apparatus using the same method  
A burst error-correcting capability is largely improved. At least the even-number row and at least the odd-number row of the data block which is a set of data sectors are separated. An outer parity...
7346827 Forward error correction scheme for data channels using universal turbo codes  
A method of providing forward error correction for data services uses a parallel concatenated convolutional code which is a Turbo Code comprising a plurality of eight-state constituent encoders...
7346646 Method and apparatus for transmitting data frames, and a method and apparatus for data rate matching  
A method and apparatus for transmitting data frames, and a method and apparatus for data rate matching wherein, via an interleaver, elements to be transmitted are distributed over a plurality of...
7343542 Methods and apparatuses for variable length encoding  
Methods and apparatuses for variable length encoding using a vector processing unit. In one aspect of the invention, a method for execution by a microprocessor to perform variable length encoding...
7343539 ARA type protograph codes  
An apparatus and method for encoding low-density parity check codes. Together with a repeater, an interleaver and an accumulator, the apparatus comprises a precoder, thus forming...
7340667 Method and/or apparatus implemented in hardware to discard bad logical transmission units (LTUs)  
The present invention concerns an apparatus comprising a logic circuit, a compare circuit, a control circuit and a memory interface. The logic circuit may be configured to generate a check signal...
7340664 Single engine turbo decoder with single frame size buffer for interleaving/deinterleaving  
A method and apparatus for decoding and de-interleaving a received encoded and interleaved signal, the method employing and the apparatus including a single decoder coupled to a common buffer, the...
7340663 Method and apparatus for embedding an additional layer of error correction into an error correcting code  
A method of embedding an additional layer of error correction into an error correcting code, wherein information is encoded into code words of said code over a first Galois field and wherein a...
7337383 Decisioning rules for turbo and convolutional decoding  
New and improved a-posteriori decoding probabilities, decisioning metrics, and implementation algorithms for turbo and convolutional decoding to replace the probabilities and decisioning metrics...
7322005 LDPC (Low Density Parity Check) coded modulation symbol decoding using non-Gray code maps for improved performance  
LDPC (Low Density Parity Check) coded modulation symbol decoding using non-Gray code maps for improved performance. Symbol decoding is supported by appropriately modifying an LDPC tripartite graph...
7319718 CQI coding method for HS-DPCCH  
In the channel quality information (CQI) coding method of the present invention, first basis sequences for generating sub-codes of 32 bits are created, and second basis sequences for generating...
7318184 Mobile telephone, apparatus, method, and program for calculating an interleave parameter  
A base sequence S(j) is not directly calculated but is indirectly calculated by the use of a numerical sequence M(n)=[v×n] mod p. A value of M(n) can be calculated by a recurrence formula without...
7310763 Data processing method and apparatus, recording medium, reproducing method and apparatus using the same method  
A burst error-correcting capability is largely improved. At least the even-number row and at least the odd-number row of the data block which is a set of data sectors are separated. An outer parity...
7308639 Method of recording/reproducing data on storage medium  
A method of recording/reproducing data on a storage medium. The method includes decoding a radio frequency (RF) signal read from the storage medium into corresponding binary data; storing the...
7305606 Method of recording/reproducing digital data and apparatus for same  
A digital data recording/reproducing method includes the steps of: interleaving data on a PI code for each PI code of a 208-row ECC block; and converting a short burst error into random errors by...
7302630 Data processing method and apparatus, recording medium, reproducing method and apparatus using the same method  
A burst error-correcting capability is largely improved. At least the even-number row and at least the odd-number row of the data block which is a set of data sectors are separated. An outer parity...
7302629 Apparatus and method for coding and decoding irregular repeat accumulate codes  
An apparatus and method for coding an irregular Repeat Accumulate (RA) code. A repeater repeats a received information word such that the information word corresponds to weights of a first...
7302008 Apparatus and method for efficiently distributing energy over a packet data channel in a mobile communication system for high rate packet transmission  
An apparatus and method for efficiently distributing energy to a packet data channel. A turbo encoder generates a sequence of systematic symbols and a sequence of parity symbols by encoding an...
7299401 Error correction code recording method and recording apparatus using the same  
When data is recorded onto a tape-shaped recording medium using N recording heads disposed on a rotary drum, of first and second series codes orthogonal to each other, the first series code is...
7296214 Method and apparatus for concatenated channel coding with variable code rate and coding gain in a data transmission system  
A system with one or more base stations is described having an outer code encoder to generate an outer code based, at least in part, on a plurality of data elements using an (N,K) Reed-Solomon (RS)...
7293223 Method and apparatus for concatenated channel coding with variable code rate and coding gain in a data transmission system  
Methods and apparatuses of concatenated channel decoding data involving the decoding of soft-channel symbols using a parity-check to generate a plurality of m decoded data symbols according to an...
7293218 Data processing method and apparatus, recording medium, reproducing method and apparatus using the same method  
A burst error-correcting capability is largely improved. At least the even-number row and at least the odd-number row of the data block which is a set of data sectors are separated. An outer parity...
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