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An algorithm for detecting unreliable code sequence segments and its applications
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DOI：10.1109/TCOMM.2004.836556.png)
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摘要
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Let the Viterbi algorithm be applied for maximum-likelihood decoding of a terminated convolutional code using a trellis. We propose an additional procedure that permits a receiver to locate unreliable segments within an estimated code sequence. This reliability output may be used, for example, to request retransmissions, in systems with error concealment, or in channel-coding systems with unequal error protection.
Keyword:
convolutional codes
list decoding
reliability output
repeat request
Viterbi decoding
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8.3
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1.2W
被引数:
3.6W
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