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The Wireless Autonomous Spanning tree Protocol for Multihop Wireless Body Area Networks

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5 Author(s)
Bart Braem ; University of Antwerp - IBBT vzw - Department of Mathematics and Computer Science - PATS, Middelheimlaan 1, B-2020 Antwerpen, Belgium, ; Benoit Latre ; Ingrid Moerman ; Chris Blondia
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Wireless body area networks (WBANs) have gained a lot of interest in the world of medical monitoring. Current implementations generally use a large single hop network to connect all sensors to a personal server. However recent research pointed out that multihop networks are more energy-efficient and even necessary when applied near the human body with inherent severe propagation loss. In this paper we present a slotted multihop approach to medium access control and routing in wireless body area networks, the wireless autonomous spanning tree protocol or WASP. It uses crosslayer techniques to achieve efficient distributed coordination of the separated wireless links. Traffic in the network is controlled by setting up a spanning tree and by broadcasting scheme messages over it that are used both by the parent and the children of each node in the tree. We analyze the performance of WASP and show the simulation results

Published in:

2006 Third Annual International Conference on Mobile and Ubiquitous Systems: Networking & Services

Date of Conference:

July 2006