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Hybrid ARQ for LDPC-coded Systems  

Ahn, Seok-Ki (포항공과대학교 전자전기공학과 통신 및 신호설계 연구실)
Myung, Se-Ho (포항공과대학교 전자전기공학과 통신 및 신호설계 연구실)
Yang, Kyeong-Cheol (포항공과대학교 전자전기공학과 통신 및 신호설계 연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.33, no.12C, 2008 , pp. 991-996 More about this Journal
Abstract
In this paper, we propose an LDPC-coded hybrid ARQ system using incremental redundancy and retransmission of a part of the transmitted packets. We also present a simple criterion for choosing two methods to support a desired throughput efficiently. Furthermore, we show that the throughput performance can be improved when multi-edge type LDPC codes with the structure of Raptor codes are employed for a hybrid ARQ scheme.
Keywords
Hybrid ARQ; incremental redundancy; low-density parity-check codes;
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