Lowering Error Floors of Irregular LDPC Codes by Combining Construction and Decoding

Xiaopeng JIAO, Jianjun MU, Fan FANG, Rong SUN

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Summary :

Irregular low-density parity-check (LDPC) codes generally have good decoding performance in the waterfall region, but they exhibit higher error floors than regular ones. In this letter, we present a hybrid method, which combines code construction and the iterative decoding algorithm, to tackle this problem. Simulation results show that the proposed scheme decreases the error floor significantly for irregular LDPC codes over binary-input additive white Gaussian noise (BIAWGN) channel.

Publication
IEICE TRANSACTIONS on Communications Vol.E95-B No.1 pp.271-274
Publication Date
2012/01/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E95.B.271
Type of Manuscript
LETTER
Category
Fundamental Theories for Communications

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