Opportunistic relaying protocols for human monitoring in BAN
作者： Jean-Marie Gorce , Claire Goursaud , Guillaume Villemaud , Raffaele D'Errico , Laurent Ouvry
DOI: 10.1109/PIMRC.2009.5450102
关键词:
摘要: Body Area Networks (BAN) offer amazing perspectives to instrument and support humans in many aspects of their life. Among all possible applications, this paper focuses on body monitoring applications having a equipped with set sensors transmitting real-time measures common sink. The underlying network topology is star which quite usual the broad scope wireless sensor networks. Therefore, classical superframe structure as proposed 802.15.3 or 802.15.4 seems comply needs such an application. Basically however, specificities BAN channel can reduce performance protocol. Indeed, time variations make unstable temporary subject high packet error rate. A multi-hop mesh cannot counteract problem efficiently, since pathloss attenuation environment almost independent emitter-receiver distance. In paper, we address issue by considering time-varying fully connected instead structure. We then show how opportunistic cooperative mechanism based decode-and-forward protocol issue. derive criterion rate outage discuss implementation scheme
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