Service Composition in Service-Oriented Wireless Sensor Networks with Persistent Queries
Xiumin Wang, Jianping Wang, Zeyu Zheng, Yinlong Xu, Mei, Yang

TL;DR
This paper proposes algorithms to optimize service composition in service-oriented wireless sensor networks for persistent queries, aiming to minimize the number of compositions and total energy cost, thereby enhancing energy efficiency.
Contribution
It introduces a greedy and a dynamic programming algorithm to minimize service composition solutions and their costs in WSNs for persistent queries, ensuring optimal energy use.
Findings
Algorithms achieve minimum energy consumption for persistent queries.
Proposed solutions reduce the number of service compositions needed.
Optimal algorithms outperform existing methods in energy efficiency.
Abstract
Service-oriented wireless sensor network(WSN) has been recently proposed as an architecture to rapidly develop applications in WSNs. In WSNs, a query task may require a set of services and may be carried out repetitively with a given frequency during its lifetime. A service composition solution shall be provided for each execution of such a persistent query task. Due to the energy saving strategy, some sensors may be scheduled to be in sleep mode periodically. Thus, a service composition solution may not always be valid during the lifetime of a persistent query. When a query task needs to be conducted over a new service composition solution, a routing update procedure is involved which consumes energy. In this paper, we study service composition design which minimizes the number of service composition solutions during the lifetime of a persistent query. We also aim to minimize the total…
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Taxonomy
TopicsEnergy Efficient Wireless Sensor Networks · Energy Harvesting in Wireless Networks · Security in Wireless Sensor Networks
