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An explicit constru...
An explicit construction of 2-generator quasi-twisted codes
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- Chen, Eric Zhi (författare)
- Kristianstad University
-
(creator_code:org_t)
- Institute of Electrical and Electronics Engineers Inc. 2008
- 2008
- Engelska 3
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Ingår i: IEEE Transactions on Information Theory. - : Institute of Electrical and Electronics Engineers Inc.. - 0018-9448 .- 1557-9654. ; 54:12, s. 5770-5773
Abstract
Ämnesord
Stäng
- Quasi-twisted (QT) codes are a generalization of quasi-cyclic (QC) codes. Based on consta-cyclic simplex codes, a new explicit construction of a family of 2-generator quasi-twisted (QT) two-weight codes is presented. It is also shown that many codes in the family meet the Griesmer bound and therefore are length-optimal. New distance-optimal binary QC [195, 8, 96], [210, 8, 104] and [240, 8, 120] codes, and good ternary QC [208, 6, 135] and [221, 6, 144] codes are also obtained by the construction.
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