Keyword : circulant matrix


New General Constructions of LCZ Sequence Sets Based on Interleaving Technique and Affine Transformations
Xuan ZHANG Qiaoyan WEN Jie ZHANG 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/05/01
Vol. E93-A  No. 5 ; pp. 942-949
Type of Manuscript:  PAPER
Category: Communication Theory and Signals
Keyword: 
low correlation zone (LCZ) sequencezero correlation zone (ZCZ) sequencequasi-synchronous code-division multiple access (QS-CDMA)circulant matrixaffine transformation
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Smallest Size of Circulant Matrix for Regular (3, L) and (4, L) Quasi-Cyclic LDPC Codes with Girth 6
Manabu HAGIWARA Marc P.C. FOSSORIER Takashi KITAGAWA Hideki IMAI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/11/01
Vol. E92-A  No. 11 ; pp. 2891-2894
Type of Manuscript:  PAPER
Category: Coding Theory
Keyword: 
LDPC codesdifference matrixquasi-cyclic codesregular LDPC codescirculant matrixlower bounds
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Computation of Grobner Basis for Systematic Encoding of Generalized Quasi-Cyclic Codes
Vo TAM VAN Hajime MATSUI Seiichi MITA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/09/01
Vol. E92-A  No. 9 ; pp. 2345-2359
Type of Manuscript:  PAPER
Category: Coding Theory
Keyword: 
automorphism groupBuchberger's algorithmdivision algorithmcirculant matrixfinite geometry low density parity check (LDPC) codes
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