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US Patent 8006172 Auxiliary path iterative decoding

Patent 8006172 was granted and assigned to Oracle on August, 2011 by the United States Patent and Trademark Office.

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Patent
Patent

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Current Assignee
Oracle
Oracle
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
8006172
Date of Patent
August 23, 2011
Patent Application Number
11775748
Date Filed
July 10, 2007
Patent Primary Examiner
‌
Shelly A Chase
Patent abstract

A parallel iterative decoding system interposed between a network interface and a block memory matrix receives encoded data and both stores the data in a First-In-First-Out (“FIFO”) memory block and processes it through a timing recovery engine. The timing recovery engine delivers to an iterative decoder synchronized data samples and detects cycle slip. The iterative decoder thereafter performs a predetermined number of iterations to decode the data. Responsive to encoded data failing to converge after the predetermined number of iterations, the encoded data is communicated from the FIFO memory to an auxiliary decoder module. The auxiliary iterative error correction code decoder performs a second predetermined number of iterations to decode the data wherein the number of iterations performed by the auxiliary iterative error correction code decoder is greater than the primary iterative error correction code decoder. Converged data from the auxiliary decoder replaces otherwise null data stored in the block matrix memory.

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