Design of rate-compatible irregular LDPC codes for incremental redundancy hybrid ARQ systems

被引：18

作者：

Kim, Jaehong ^{[1
]}

Hur, Woonhaing ^{[1
]}

Ramamoorthy, Aditya ^{[2
]}

McLaughlin, Steven W. ^{[1
]}

机构：

[1] Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA

[2] Marvell Semiduct Inc, Sunnyvale, CA USA

来源：

2006 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY, VOLS 1-6, PROCEEDINGS | 2006年

关键词：

D O I：

10.1109/ISIT.2006.261962

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

We present a new class of irregular low-density parity-check (LDPC) codes for finite block length (up to a few thousand symbols). The proposed codes are efficiently encodable and have a simple rate-compatible puncturing structure which is suitable for incremental redundancy hybrid automatic repeat request (JR-HARQ) systems. The codes outperform optimized irregular LDPC codes and (extended) irregular repeataccumulate codes for rates 0.67 similar to 0.94, and are particularly good at high puncturing rates where good puncturing performance has been previously difficult to achieve. These characteristics result in good throughput performance over time-varying channels in IR-HARQ systems.

引用

页码：1139 / +

页数：2

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