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Improved Sphere Bound on the MLD Performance of Binary Linear Block Codes via Voronoi Region

Jia LIU, Meilin HE, Jun CHENG

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Summary :

In this paper, the Voronoi region of the transmitted codeword is employed to improve the sphere bound on the maximum-likelihood decoding (MLD) performance of binary linear block codes over additive white Gaussian noise (AWGN) channels. We obtain the improved sphere bounds both on the frame-error probability and the bit-error probability. With the framework of the sphere bound proposed by Kasami et al., we derive the conditional decoding error probability on the spheres by defining a subset of the Voronoi region of the transmitted codeword, since the Voronoi regions of a binary linear block code govern the decoding error probability analysis over AWGN channels. The proposed bound improves the sphere bound by Kasami et al. and the sphere bound by Herzberg and Poltyrev. The computational complexity of the proposed bound is similar to that of the sphere bound by Kasami et al.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E100-A No.12 pp.2572-2577
Publication Date
2017/12/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E100.A.2572
Type of Manuscript
Special Section PAPER (Special Section on Information Theory and Its Applications)
Category
Coding Theory and Techniques

Authors

Jia LIU
  Zhongkai University of Agriculture and Engineering
Meilin HE
  Doshisha University
Jun CHENG
  Doshisha University

Keyword