Reliable relay assisted wireless multicast using network coding

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 comp...

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Vydáno v:IEEE journal on selected areas in communications Ročník 27; číslo 5; s. 749 - 762
Hlavní autoři: Pingyi Fan, Chen Zhi, Chen Wei, Ben Letaief, K.
Médium: Journal Article
Jazyk:angličtina
Vydáno: New York IEEE 01.06.2009
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Broadcasting
Coding
Delay
Fading
Mobile ad hoc networks
Multicast
Multicast protocols
Network coding
Network topology
Networks
Protocol (computers)
queue length
Queues
Relay
Relays
Throughput
Topology
Wireless multicast
Wireless networks
ISSN:0733-8716, 1558-0008
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Shrnutí: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.
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ISSN:0733-8716
1558-0008
DOI:10.1109/JSAC.2009.090615