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IEICE TRANSACTIONS on Fundamentals

On the DS2 Bound for Forney's Generalized Decoding Using Non-Binary Linear Block Codes

Toshihiro NIINOMI, Hideki YAGI, Shigeichi HIRASAWA

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Summary :

Recently, Hof et al. extended the type-2 Duman and Salehi (DS2) bound to generalized decoding, which was introduced by Forney, with decision criterion FR. From this bound, they derived two significant bounds. One is the Shulman-Feder bound for generalized decoding (GD) with the binary-input output-symmetric channel. The other is an upper bound for an ensemble of linear block codes, by applying the average complete weight distribution directly to the DS2 bound for GD. For the Shulman-Feder bound for GD, the authors derived a condition under which an upper bound is minimized at an intermediate step and show that this condition yields a new bound which is tighter than Hof et al.'s bound. In this paper, we first extend this result for non-binary linear block codes used over a class of symmetric channels called the regular channel. Next, we derive a new tighter bound for an ensemble of linear block codes, which is based on the average weight distribution.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E101-A No.8 pp.1223-1234
Publication Date
2018/08/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E101.A.1223
Type of Manuscript
PAPER
Category
Coding Theory

Authors

Toshihiro NIINOMI
  Tokyo City University
Hideki YAGI
  the University of Electro-Communications
Shigeichi HIRASAWA
  Waseda University

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