An algorithm for detecting unreliable code sequence segments and its applications

被引：5

作者：

Freudenberger, J ^{[1
]}

Slender, B ^{[1
]}

机构：

[1] Univ Ulm, Dept Telecommun & Appl Informat Theory, D-89081 Ulm, Germany

来源：

IEEE TRANSACTIONS ON COMMUNICATIONS | 2004年 / 52卷 / 11期

关键词：

convolutional codes; list decoding; reliability output; repeat request; Viterbi decoding;

D O I：

10.1109/TCOMM.2004.836556

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 [电气工程]; 0809 [电子科学与技术];

摘要：

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.

引用

页码：1833 / 1839

页数：7

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