Constructing LDPC Codes by 2-Lifts
Information Theory
2009-08-27 v1 math.IT
Abstract
We propose a new low-density parity-check code construction scheme based on 2-lifts. The proposed codes have an advantage of admitting efficient hardware implementations. With the motivation of designing codes with low error floors, we present an analysis of the low-weight stopping set distributions of the proposed codes. Based on this analysis, we propose design criteria for designing codes with low error floors. Numerical results show that the resulting codes have low error probabilities over binary erasure channels.
Cite
@article{arxiv.cs/0609117,
title = {Constructing LDPC Codes by 2-Lifts},
author = {Xudong Ma and En-hui Yang},
journal= {arXiv preprint arXiv:cs/0609117},
year = {2009}
}
Comments
11 pages, 7 figures