Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.22/3715
Título: Opportunistic packet scheduling in body area networks
Autor: Prabh, K. Shashi
Hauer, Jan-Hinrich
Data: 2011
Editora: Springer Berlin Heidelberg
Relatório da Série N.º: Wireless Sensor Networks. Lecture Notes in Computer Science; Vol. 6567
Resumo: Significant research efforts are being devoted to Body Area Networks (BAN) due to their potential for revolutionizing healthcare practices. Energy-efficiency and communication reliability are critically important for these networks. In an experimental study with three different mote platforms, we show that changes in human body shadowing as well as those in the relative distance and orientation of nodes caused by the common human body movements can result in significant fluctuations in the received signal strength within a BAN. Furthermore, regular movements, such as walking, typically manifest in approximately periodic variations in signal strength. We present an algorithm that predicts the signal strength peaks and evaluate it on real-world data. We present the design of an opportunistic MAC protocol, named BANMAC, that takes advantage of the periodic fluctuations of the signal strength to achieve high reliability even with low transmission power.
Peer review: yes
URI: http://hdl.handle.net/10400.22/3715
ISBN: 978-3-642-19185-5
Versão do Editor: http://link.springer.com/chapter/10.1007/978-3-642-19186-2_8
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