The rate-compatible multi-edge type LDPC codes with short block length

Authors:
Ying You;Min Xiao;Lin Wang
Affiliations:
Department of Communication Engineering, Xiamen University, Fujian, China;Department of Communication Engineering, Xiamen University, Fujian, China;Department of Communication Engineering, Xiamen University, Fujian, China
Venue:
WiCOM'09 Proceedings of the 5th International Conference on Wireless communications, networking and mobile computing
Year:
2009

Citing 3
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The design of efficiently-encodable rate-compatible LDPC codes

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Rate-compatible puncturing of low-density parity-check codes

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Rate-compatible punctured low-density parity-check codes with short block lengths

IEEE Transactions on Information Theory

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Abstract

In this letter, a framework of punctured rate-compatible multi-edge-type LDPC (RC-MET-LDPC) codes with short block length is presented. The simple form of traditional puncturing algorithms based on grouping and sorting (GS) algorithm can be applied for obtaining rate compatibility because of the structure advantage of MET-LDPC codes over conventional LDPC Codes. The simulation results show that RC-MET-LDPC codes not only outperform rate-compatible irregular LDPC codes and efficiently-encodable rate-compatible (E2RC) LDPC codes in a large rate range over AWGN channel, but also achieve high throughput in HARQ scheme at a wide range of signal-to-noise ratio (SNR) regions. The proposed codes are considered as the good candidate for future communication systems requiring rate compatibility.