Reliability-based data-puncturing hybrid ARQ scheme with LDPC codes

被引：0
|
作者：
Chen, Xiaoheng [1 ]
Jin, Xiangdong [1 ]
机构：
[1] Zhejiang Univ, Inst Informat & Commun Engn, Dept Informat Sci & Elect Engn, Hangzhou 310027, Peoples R China
来源：
2007 INTERNATIONAL CONFERENCE ON COMMUNICATIONS, CIRCUITS AND SYSTEMS PROCEEDINGS, VOLS 1 AND 2: VOL 1: COMMUNICATION THEORY AND SYSTEMS; VOL 2: SIGNAL PROCESSING, COMPUTATIONAL INTELLIGENCE, CIRCUITS AND SYSTEMS | 2007年
关键词：
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
We propose an improved data-puncturing hybrid-ARQ scheme for Low-Density Parity-Check (LDPC) codes based on codeword reliability. Incremental redundancy is generated from punctured versions of the original data using the same encoder/decoder pair. Retransmission packet sizes are determined adaptively according to the reliability level of the decoded data. We conduct detailed simulation experiments and compare the proposed scheme with RB-HARQ and DP-HARQ approaches. The RB-DP-HARQ scheme reduces the retransmission times and the feedback channel traffic for NACK signaling with negligible overhead.
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页码：29 / +
页数：2
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