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» On the construction of skew quasi-cyclic codes
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VTC
2008
IEEE
13 years 11 months ago
Construction of Regular Quasi-Cyclic Protograph LDPC codes based on Vandermonde Matrices
Abstract— In this contribution, we investigate the attainable performance of quasi-cyclic (QC) protograph Low-Density Parity-Check (LDPC) codes for transmission over both Additiv...
Nicholas Bonello, Sheng Chen, Lajos Hanzo
TIT
2010
81views Education» more  TIT 2010»
12 years 11 months ago
On the construction of skew quasi-cyclic codes
Taher Abualrub, Ali Ghrayeb, Nuh Aydin, Irfan Siap
DCC
2008
IEEE
14 years 4 months ago
Skew Hadamard designs and their codes
Skew Hadamard designs (4n-1, 2n-1, n-1) are associated to order 4n skew Hadamard matrices in the natural way. We study the codes spanned by their incidence matrices A and by I +A a...
Jon-Lark Kim, Patrick Solé
ISCAS
2005
IEEE
135views Hardware» more  ISCAS 2005»
13 years 10 months ago
S-code: new distance-3 MDS array codes
Abstract— In this paper, we present a new description of the XCode, a class of MDS array code, using skews, named S-Code. The X-Codes result in codewords that are arrays of size ...
Rajendra S. Katti, Xiaoyu Ruan
DCC
2006
IEEE
14 years 4 months ago
LDPC codes generated by conics in the classical projective plane
We construct various classes of low-density parity-check codes using point-line incidence structures in the classical projective plane PG(2, q). Each incidence structure is based ...
Sean V. Droms, Keith E. Mellinger, Chris Meyer