Exploiting known padding data to improve block decode success rate
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United States of America Patent
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Sep 8, 2009
Grant Date -
Oct 4, 2007
app pub date -
Mar 28, 2006
filing date -
Mar 28, 2006
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Abstract
A method and system of decoding a convolutionally encoded data block having known padding bits. A Viterbi decoder is constrained to a state corresponding to k−1 padding bits immediately adjacent to data bits of the data block, where k is a constraint length of a convolution encoder used to encode the data block. Symbols of the encoded data block that have influence only from the padding bits are discarded.
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