New rate-compatible punctured convolutional codes for Viterbi decoding
1994
New good rate-P/(P+/spl delta/) rate-compatible punctured convolutional (RCPC) codes for 2/spl les/P/spl les/7 and 1/spl les//spl delta//spl les/(n-1)P were found and tabulated, These codes have been determined by iterative search based upon a criterion of maximizing the free distance and were generated by periodically puncturing their rate-1/n mother codes of memory 2/spl les/M/spl les/6 and n=2. These codes are expected to find their applications in unequal error protection schemes employing Viterbi decoding. >
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