STRUCTURE OF CONVOLUTIONAL AND CYCLIC CONVOLUTIONAL CODES

被引:32
作者
ROOS, C
机构
[1] Department of Mathematics, University of Technology, Delft
关键词
D O I
10.1109/TIT.1979.1056108
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Algebraic convolutional coding theory is considered. It is shown that any convolutional code has a canonical direct decomposition into subcodes and that this decomposition leads in a natural way to a minimal encoder. Considering cyclic convolutional codes, as defined by Piret, an easy application of the general theory yields a canonical direct decomposition into cyclic subcodes, and at the same time a canonical minimal encoder for such codes. A list of pairs (n,k) admitting completely proper cyclic (n,k)-convolutional codes is included. ©1979 IEEE
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页码:676 / 683
页数:8
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