Reliable Relay Assisted Wireless Multicast Using Network Coding

被引：69

作者：

Fan, Pingyi ^{[1
]}

Zhi, Chen ^{[1
]}

Wei, Chen ^{[1
]}

Ben Letaief, Khaled ^{[2
]}

机构：

[1] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China

[2] Hong Kong Univ Sci & Technol, Dept Elect & Comp Engn, Hong Kong, Hong Kong, Peoples R China

来源：

IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS | 2009年 / 27卷 / 05期

基金：

美国国家科学基金会;

关键词：

Wireless multicast; relay; network coding; throughput; delay; queue length; USER COOPERATION DIVERSITY; PROTOCOLS;

D O I：

10.1109/JSAC.2009.090615

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We first consider a topology consisting of one source, two destinations and one relay. For such a topology, it is shown that a network coding based cooperative (NCBC) multicast scheme can achieve a diversity order of two. In this paper, we discuss and analyze NCBC in a systematic way as well as compare its performance with two other multicast protocols. The throughput, delay and queue length for each protocol are evaluated. In addition, we present an optimal scheme to maximize throughput subject to delay and queue length constraints. Numerical results will demonstrate that network coding can bring significant gains in terms of throughput.

引用

页码：749 / 762

页数：14

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