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:
Feb. 16, 2016
Filed:
Aug. 27, 2012
Mehrzad Malmirchegini, Albuquerque, NM (US);
Shadi Abu-surra, Richardson, TX (US);
Thomas M. Henige, Plano, TX (US);
Eran Pisek, Plano, TX (US);
Mehrzad Malmirchegini, Albuquerque, NM (US);
Shadi Abu-surra, Richardson, TX (US);
Thomas M. Henige, Plano, TX (US);
Eran Pisek, Plano, TX (US);
Samsung Electronics Co., Ltd, Suwon-Si, KR;
Abstract
A low-density parity check (LDPC) decoder includes a memory configured to store multiple variable node LLR values in a LLR memory and multiple check nodes messages in a CN memory. The LDPC decoder also includes a saturation indicator configured to determine whether each check node of the H-matrix becomes saturated, and a multiplexer. The multiplexer is configured store an extrinsic check node value in the CN memory and updated LLR value in the LLR memory when the variable node is not saturated; and store a freeze input value in the CN memory and a freeze value in the LLR memory when the variable node is saturated.