Power Control in Multihop CSMA

Authors:
Bo Yan;Hamid Gharavi
Affiliations:
National Institute of Standards and Technology, USA;National Institute of Standards and Technology, USA
Venue:
WOWMOM '06 Proceedings of the 2006 International Symposium on on World of Wireless, Mobile and Multimedia Networks
Year:
2006

Citing 2
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Abstract

This paper aims at improving the power efficiency of the CSMA/CA protocol for transmission of multimedia information over multihop wireless channels. Using a distance dependent propagation model, we present a power control scheme, which is based on the receiver sensitivity adjustment mechanism. The receiver sensitivity approach aims at exploiting a tradeoff between the interference and the contention in accessing the shared medium. For real-time traffic, we show that by controlling the receiver sensitivity threshold we can significantly improve the multihop link performance.