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» On the construction of skew quasi-cyclic codes
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VTC
2008
IEEE
14 years 2 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»
13 years 2 months ago
On the construction of skew quasi-cyclic codes
Taher Abualrub, Ali Ghrayeb, Nuh Aydin, Irfan Siap
DCC
2008
IEEE
14 years 7 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»
14 years 1 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 7 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