Coordinating Resource Usage through Adaptive Service Provisioning in Wireless Sensor Networks

  • Chien-Liang Fok
  • Gruia-Catalin Roman
  • Chenyang Lu
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6116)

Abstract

Wireless sensor networks (WSNs) exhibit high levels of network dynamics and consist of devices with limited energy. This results in the need to coordinate applications not only at the functional level, as is traditionally done, but also in terms of resource utilization. In this paper, we present a middleware that does this using adaptive service provisioning. Novel service binding strategies automatically adapt application behavior when opportunities for energy savings surface, and switch providers when the network topology changes. The former is accomplished by providing limited information about the energy consumption associated with using various services, systematically exploiting opportunities for sharing service invocations, and exploiting the broadcast nature of wireless communication in WSNs. The middleware has been implemented and evaluated on two disparate WSN platforms, the TelosB and Imote2. Empirical results show that adaptive service provisioning can enable energy-aware service binding decisions that result in increased energy efficiency and significantly increase service availability, while imposing minimal additional burden on the application, service, and device developers. Two applications, medical patient monitoring and structural health monitoring, demonstrate the middleware’s efficacy.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  • Chien-Liang Fok
    • 1
  • Gruia-Catalin Roman
    • 1
  • Chenyang Lu
    • 1
  1. 1.Dept. of Computer Science and EngineeringWashington University in St. LouisSaint LouisUSA

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