Performance analysis of ARQ schemes with code combining over Nakagami-m fading channel

被引：0

作者：

XU, Wen-bo ^{[1
]}

NIU, Kai ^{[1
]}

LIN, Jia-ru ^{[1
]}

HE, Zhi-qiang ^{[1
]}

机构：

[1] School of Information and Telecommunication Engineering, Beijing University of Posts and Telecommunications, Beijing

来源：

Journal of China Universities of Posts and Telecommunications | 2009年 / 16卷 / 05期

基金：

中国国家自然科学基金;

关键词：

code combining; HARQ; Nakagami-m fading; performance analysis;

D O I：

10.1016/S1005-8885(08)60262-9

中图分类号：

学科分类号：

摘要：

This article investigates the performance of hybrid automatic repeat request (HARQ) with code combining over the ideally interleaved Nakagami-m fading channel. Two retransmission protocols with coherent equal gain code combining are adopted, where the entire frame and several selected portions of the frame are repeated in protocols I and II, respectively. Protocol II could be viewed as a generalization of the recently proposed reliability-based HARQ. To facilitate performance analysis, an approximation of the product of two independent Nakagami-m distributed random variables is first developed. Then the approximate analysis is utilized to obtain exact frame error probability (FEP) for protocol I, and the upper bound of the FEP for protocol II. Furthermore, the throughput performance of both two protocols is presented. Simulation results show the reliability of the theoretical analysis, where protocol II outperforms protocol I in the throughput performance due to the reduced amount of transmitted information. © 2009 The Journal of China Universities of Posts and Telecommunications.

引用

页码：14 / 19

页数：5

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