The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 12, 2016
Filed:
Mar. 07, 2014
Lsi Corporation, San Jose, CA (US);
Seagate Technology, Cupertino, CA (US);
Abstract
Methods are systems for calculating log-likelihood ratios for a decoder utilized in an electronic non-volatile computer storage apparatus are disclosed. A log-likelihood ratio handler is configured to provide an input log-likelihood ratio to the decoder, wherein the input log-likelihood ratio is one of: a uniform input log-likelihood ratio for all bits calculated based on an estimated raw bit error rate for a particular data unit, or a bit-based input log-likelihood ratio for each bit calculated based on a confidence value for a cell containing said each bit. The decoder of the electronic non-volatile computer storage apparatus is configured to decode encoded data at least partially based on the input log-likelihood ratio from the log-likelihood ratio handler.
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