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Efficient Search for High-Rate Punctured Convolutional Codes Using Dual Codes

Sen MORIYA, Kana KIKUCHI, Hiroshi SASANO

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Summary :

In this study, we consider techniques to search for high-rate punctured convolutional code (PCC) encoders using dual code encoders. A low-rate R=1/n convolutional code (CC) has a dual code that is identical to a PCC with rate R=(n-1)/n. This implies that a rate R=1/n convolutional code encoder can assist in searches for high-rate PCC encoders. On the other hand, we can derive a rate R=1/n CC encoder from good PCC encoders with rate R=(n-1)/n using dual code encoders. This paper proposes a method to obtain improved high-rate PCC encoders, using exhaustive search results of PCC encoders with rate R=1/3 original encoders, and dual code encoders. We also show some PCC encoders obtained by searches that utilized our method.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E99-A No.12 pp.2162-2169
Publication Date
2016/12/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E99.A.2162
Type of Manuscript
Special Section PAPER (Special Section on Information Theory and Its Applications)
Category
Coding Theory and Techniques

Authors

Sen MORIYA
  Kindai University
Kana KIKUCHI
  Kindai University
Hiroshi SASANO
  Kindai University

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