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Partial network coding with cooperation: A cross-layer design for multi-hop wireless networks

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3 Author(s)
Poocharoen, P. ; Sch. of Electr. Eng. & Comput. Sci., Oregon State Univ., Corvallis, OR, USA ; Magana, M.E. ; Alban, E.X.

In this paper we propose a partial network coding with cooperation (PNC-COOP) scheme that mitigates error propagation due to channel imperfections and achieves acceptable throughput in wireless ad hoc networks. It combines opportunistic network coding with decode-and-forward cooperative diversity. The proposed PNC-COOP is a decentralized strategy which provides substantial benefits when transmission power is a concern. Simulation of a 16-node wireless mesh network when PNC-COOP is applied to 11-15% of the transmitted packets results in 5 dB BER performance improvement compared to opportunistic network coding. It reduces the average transmitted energy per node by 9-10% as well as the overall average transmitted energy of the network by 3.5%.

Published in:

Ultra Modern Telecommunications & Workshops, 2009. ICUMT '09. International Conference on

Date of Conference:

12-14 Oct. 2009