SSP'05 -- Proceedings

	IEEE/SP 13th workshop on Statistical Signal Processing July, 17-20, 2005 - Bordeaux - France

Information regarding the paper

Title

Energy-Aware Data-Centric MAC for Application-Specific Sensor Networks

Author(s)

Qing Zhao	University of California at Davis
Lang Tong	Cornell University
Yunxia Chen	University of California at Davis

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Abstract

We propose an energy-aware data-centric MAC protocol for application-specific large sensor networks. Referred to as Opportunistic Type-Based Medium Access (O-TBMA), the proposed protocol adopts the principle of cross-layer design that integrates application layer (detection and estimation) performance measure with physical layer communications, medium access control, and signal processing. Focusing on maximizing energy efficiency and network lifetime, we investigate data-centric medium access strategies and develop opportunistic transmission schemes that incorporate information on sensor channel state and residual energy.