Energy-Aware Service Composition Algorithms for Service-Oriented Heterogeneous Wireless Sensor Networks

Tao Wang, Lianglun Cheng, Ke Zhang and Jun Liu

International Journal of Distributed Sensor Networks, 2014, vol. 10, issue 3, 217102

Abstract: Wireless sensor networks are evolving with increasingly device heterogeneity, while the problem of effectively composing the platform-specific functionalities provided by heterogeneous sensor nodes to achieve specific goals still remains a challenge. Because of the constrained resources and unreliable communication in sensor networks, traditional service composition techniques in web services with adequate resources are insufficient. In this paper, focusing on the limited energy of sensor nodes, we propose an energy-aware service composition framework for developing various applications in heterogeneous wireless sensor networks. With both the energy-aware metrics: energy-aware load-balancing factor and overall energy consumption, we formulate the process of energy-aware sensor service composition into a combinatorial optimization problem; furthermore, an improved discrete particle swarm optimization (IDPSO) algorithm with inertia weights adjustment and extreme perturbation scheme is proposed to solve the combinatorial optimization problem. The experiment results have shown that the performance of the service route given by IDPSO is approximately equal to the best service route searched out by the exhaustive algorithm. Meanwhile, our proposed energy-aware service composition method is able to reduce the energy consumption and prolong the lifetime of the sensor network when providing stable service composition for various applications.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:sae:intdis:v:10:y:2014:i:3:p:217102

DOI: 10.1155/2014/217102

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