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ICC
2007
IEEE

Opportunistic Network Coding for Wireless Networks

10 years 6 months ago
Opportunistic Network Coding for Wireless Networks
— 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.
Wei Chen, Khaled Ben Letaief, Zhigang Cao
Added 02 Jun 2010
Updated 02 Jun 2010
Type Conference
Year 2007
Where ICC
Authors Wei Chen, Khaled Ben Letaief, Zhigang Cao
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