Hybrid interleaver for turbo codes
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United States of America Patent
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Aug 3, 2004
Grant Date -
N/A
app pub date -
Mar 27, 2001
filing date -
Oct 13, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A turbo code encoder with a hybrid interleaver having two recursive systematic constituent code (RSC) encoders. The system encodes a finite sequence of informative bits without requiring a plurality of tail bits to flush the registers of each encoder to an all-zero state. The hybrid interleaver reduces the turbo code overhead by using only a single tail bit sequence. By using only a single m-bit tail, the hybrid interleaver improves bit error rate (BER).
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