Network Coded Transmission of Fountain Codes over Cooperative Relay Networks

Details Network Coded Transmission of Fountain Codes over Cooperative Relay Networks Network Coded Transmission of Fountain Codes over Cooperative Relay Networks

2010-05-14

arxiv.org/abs/1005.2443v1

Computer Science

Information Theory

Scientific paper

In this paper, a transmission strategy of fountain codes over cooperative relay networks is proposed. When more than one relay nodes are available, we apply network coding to fountain-coded packets. By doing this, partial information is made available to the destination node about the upcoming message block. It is therefore able to reduce the required number of transmissions over erasure channels, hence increasing the effective throughput. Its application to wireless channels with Rayleigh fading and AWGN noise is also analysed, whereby the role of analogue network coding and optimal weight selection is demonstrated.

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