Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 22, 2011
Patent Application Number
11689357
Date Filed
March 21, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
Systems and methods for generating check node updates in the decoding of low-density parity-check (LDPC) codes use new approximations in order to reduce the complexity of implementing a LDPC decoder, while maintaining accuracy. The new approximations approximate the standard sum-product algorithm (SPA), and can reduce the approximation error of min-sum algorithm (MSA) and have almost the same performance as sum-product algorithm (SPA) under both floating precision operation and fixed-point operation.
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