Lowering the error-rate floors of moderate-length high-rate irregular ldpc codes

M Yang,W.E Ryan

doi:10.1109/isit.2003.1228251

Lowering the error-rate floors of moderate-length high-rate irregular ldpc codes

M Yang, W.E Ryan

https://doi.org/10.1109/isit.2003.1228251

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Publication Date: Jan 1, 2003

Citations: 25

Affiliation: University of Arizona

#Class Of Low-density Parity-check Codes #Low-density Parity-check Codes + Show 8 more

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Abstract

This paper presents a specialized class of irregular low-density parity-check (LDPC) codes of moderate length (lo3 5 n 5 lo4) and high rate (R 2 3/4). Codes in this class admit low-complexity encoding and have lower error rate floors than other irregular LDPC code design approaches. It is also shown that this class of LDPC codes is equivalent to a class of systematic serial turbo codes. Code designs of moderate-length, high rate codes which yield bit error rate floors below lo-' are presented.

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