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Journal Article
Girth Conditioning for Construction of Short Block Length Irregular LDPC Codes
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- Issue Date
- 2004-02
- Citation
- Electronics Letters, v.40, no.3, pp.187-188
- ISSN
- 0013-5194
- Publisher
- IET
- Language
- English
- Type
- Journal Article
- Abstract
- A girth conditioning scheme for construction of short block length low-density parity-check (LDPC) codes is presented. The parity-check matrix is generated in a column-by-column fashion under the condition that a newly added column is chosen, among a number of trial columns, to maximise the average girth of variable nodes. The girth-conditioned LDPC codes are found to give a large performance gain especially at high SNRs.
- KSP Keywords
- Block length, Irregular LDPC codes, Low density parity check (LDPC) code, Performance gain, Short Block, parity check matrix