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Energy Efficient Opportunistic Network Coding for Wireless Networks

Cui, Tao and Chen, Lijun and Ho, Tracey (2008) Energy Efficient Opportunistic Network Coding for Wireless Networks. In: IEEE INFOCOM 2008 : the 27th Conference on Computer Communications : [April 13-18, 2008, Phoenix, Arizona. IEEE Infocom Series. IEEE , Piscataway, NJ, pp. 1022-1030. ISBN 978-1-4244-2025-4.

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We consider energy efficient network coding design in wireless networks with multiple unicast sessions. Our approach decomposes multiple unicast sessions into a superposition of multicast and unicast sessions, with coding occurring only within each session. We give an optimization approach that is more general than the existing poison-remedy optimization formulation. For the case of wireless, we consider XOR coding and give an achievable rate region for a primary interference model. To simplify network operation, we give an oblivious backpressure algorithm which does not optimize overhearing of transmissions, and a practical protocol called COPR based on the oblivious backpressure algorithm. Simulation experiments show that COPR largely reduces network power consumption over existing algorithms.

Item Type:Book Section
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Additional Information:© 2008 IEEE. This work has been supported in part by DARPA grant N66001-06-C-2020, Caltech’s Lee Center for Advanced Networking and a gift from Microsoft Research.
Funding AgencyGrant Number
Defense Advanced Research Projects Agency (DARPA)N66001-06-C-2020
Caltech Lee Center for Advanced NetworkingUNSPECIFIED
Microsoft ResearchUNSPECIFIED
Series Name:IEEE Infocom Series
Record Number:CaltechAUTHORS:20100707-141558183
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:18929
Deposited By: Tony Diaz
Deposited On:09 Jul 2010 17:56
Last Modified:08 Nov 2021 23:48

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