System and method of decoding LDPC code blocks
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United States of America Patent
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Oct 1, 2013
Grant Date -
May 10, 2012
app pub date -
Nov 4, 2010
filing date -
Nov 4, 2010
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Abstract
A receiver apparatus comprises a LDPC decoder that can apply an accelerated belief propagation method for iteratively decoding each code block. When the number of iterations reaches a certain threshold value, the accelerated belief propagation method can adjust the initial condition used in each iteration. The initial condition is adjusted so as to enhance the likelihood of convergence in the iterative method. As a result, performance of the decoder and receiver apparatus can be improved.
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