A Type-Ⅱ Hybrid ARQ Scheme Based on Rate-Compatible LDPC Code
Abstract—Rate-compatible code is a typical way to achieve high forward error correction (ARQ/FEC) systems in packet data transmission. This paper focuses on the construction of efficient rate-compatible low density parity check (RC-LDPC) codes in a flexible way. A special technique to get rate compatible LDPC codes called extending without code-rate threshold is presented in comparison to the results in 6 with code-rate threshold. Based on the improved scheme, a type-Ⅱ hybrid ARQ scheme is presented in the paper, which is greatly flexible and results in good performance. The throughput performances of different full incremental redundancy (FIR) schemes depend on the length of retransmitted incremental redundancy (IR) substantially. Furthermore, performance comparison between full incremental redundancy (FIR) based on this rate-compatible structure and chase combing (CC) protocols has been investigated.
Fei Zesong Zhu Miao Kuang Jingming
Dept. of Electronic Engineer Beijing Institute of Technology Beijing, China
国际会议
2006 International Conference on Communications,Circuits and Systems(第四届国际通信、电路与系统学术会议)
广西桂林
英文
879-882
2006-06-25（万方平台首次上网日期，不代表论文的发表时间）