1
Private Ugochukwu Njoku
Scott M Carlson, Daniel F Casper, John R Flanagan, Charles W Gainey, Roger G Hathorn, Catherine C Huang, Matthew J Kalos, Ugochukwu Charles Njoku, Louis C Ricci, Gustav E Sittmann: Exception condition handling at a channel subsystem in an I/O processing system. International Business Machines Corporation, Cantor Colburn, John Campbell, January 10, 2012: US08095847

A computer program product, apparatus, and method for handling exception condition feedback at a channel subsystem of an I/O processing system using data from a control unit are provided. The computer program product includes a tangible storage medium readable by a processing circuit and storing ins ...


2
Bahman Qawami
Robert C Chang, Bahman Qawami, Farshid Sabet Sharghi: Dynamic redundant area configuration in a non-volatile memory system. SanDisk Corporation, Brinks Hofer Gilson & Lione, July 7, 2009: US07559004 (46 worldwide citation)

Methods and apparatus for dynamically configuring a redundant area of a physical page are disclosed. According to one aspect of the present invention, a method for dynamically configuring a redundant area of a page associated with a physical block of a non-volatile memory of a memory system includes ...


3
Bahman Qawami
Chang Robert C, Qawami Bahman, Sabet Sharghi Farshid: Hybrid implementation for error correction codes within a non-volatile memory system. Sandisk, June 2, 2004: EP1424631-A1 (19 worldwide citation)

Methods and apparatus for using different error correction code algorithms to encode and to decode contents of blocks within a non-volatile memory are disclosed. According to one aspect of the present invention, a method for storing data within a non-volatile memory includes identifying a first bloc ...


4
Kees Schouhamer Immink
Kornelis A Schouhamer Immink: Method of transmitting information, encoding device for use in the method, and decoding device for use in the method. U S Philips Corporation, Thomas A Briody, William J Streeter, Edward W Goodman, October 28, 1986: US04620311 (55 worldwide citation)

A method of converting n-bit information words into m-bit code words, and the other way round, is described. The code words have a limited disparity. For every information word, two code words are assigned to a group of information words, which code words can be derived from one another by inversion ...


5
yuan xing Lee
Shaohua Yang, Richard Leo Galbraith, Ksenija Lakovic, Yuan Xing Lee, Travis Oenning, Jongseung Park, Hideki Sawaguchi, Bruce A Wilson: Decoding techniques for correcting errors using soft information. Hitachi Global Stroage Technologies Netherlands, Steven J Cahill, May 25, 2010: US07725800 (34 worldwide citation)

Two levels of error correction decoding are performed using first and second level decoders. A composite code formed by combining an inner component code and an outer component code can be used to decode the data and correct any errors. Performing two level decoding using a composite code allows the ...


6
Kees Schouhamer Immink
Josephus A H M Kahlman, Kornelis A Schouhamer Immink: Device for encoding/decoding N-bit source words into corresponding M-bit channel words, and vice versa. U S Philips Corporation, Edward W Goodman, December 19, 1995: US05477222 (25 worldwide citation)

A device for encoding a stream of databits of a binary source signal (S) into a stream of databits of a binary channel signal (C), wherein the bitstream of the source signal is divided into n-bit source words (x.sub.1, x.sub.2), which device includes a converting circuit (CM) adapted to convert the ...


7
yuan xing Lee
Zongwang Li, Shaohua Yang, Yang Han, Hao Zhong, Yuan Xing Lee, Weijun Tan: Turbo-equalization methods for iterative decoders. LSI Corporation, Mendelsohn Drucker & Associates P C, Craig M Brown, Steve Mendelsohn, October 16, 2012: US08291299 (23 worldwide citation)

Certain embodiments of the present invention are improved turbo-equalization methods for decoding encoded codewords. In one embodiment, in global decoding iteration i, the magnitude values of all decoder-input LLR values (Lch) are adjusted based on the number b of unsatisfied check nodes in the deco ...


8
yuan xing Lee
Ivana Djurdjevic, Bruce Alexander Wilson, Mario Blaum, Richard Leo Galbraith, Ksenija Lakovic, Yuan Xing Lee, Zongwang Li, Travis Roger Oenning: Techniques for generating bit reliability information in a post-processor using an error correction constraint. Hitachi Global Storage Technologies Netherlands, Steven J Cahill, October 11, 2011: US08037394 (23 worldwide citation)

Techniques are provided that generate bit reliabilities for a detected sequence. A detector generates the detected sequence. According to one embodiment, a post-processor finds a first set of combinations of one or more error events in the detected sequence satisfying a complete set or a subset of e ...


9
Kees Schouhamer Immink
Kornelis A Schouhamer Immink: Method of converting a series of m-bit information words to a modulated signal, method of producing a record carrier, coding device, device, recording device, signal, as well as a record carrier. U S Philips Corporation, Edward Blocker, August 4, 1998: US05790056 (22 worldwide citation)

A method of converting a series of m-bit information words to a modulated signal. For each information word from the series an n-bit code word is delivered. The delivered code words are converted to the modulated signal. The code words are distributed over at least one group of a first type and at l ...


10
yuan xing Lee
Weijun Tan, Shaohua Yang, George Mathew, Kelly Fitzpatrick, Hao Zhong, Yuan Xing Lee: Systems and methods for using intrinsic data for regenerating data from a defective medium. AGERE Systems, Hamilton DeSanctis & Cha, April 17, 2012: US08161357 (19 worldwide citation)

Various embodiments of the present invention provide systems and methods for data regeneration. For example, a system for data regeneration is disclosed that includes a data input derived from the medium. A data detector and a data recovery system receive the data input. The data detector provides a ...



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