Ad-hoc Query Processing in a Wireless Sensor Network 


Vol. 32,  No. 11, pp. 685-692, Nov.  2007


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  Abstract

Recent advances in wireless communications and electronics have enabled the development of low-cost, low-power, multi-functional sensors. A typical wireless sensor network (WSN) consists of a large number of sensor nodes that can measure and process data while communicating through wireless channels. In this paper, we propose a hybrid query processing (HQP) algorithm for user queries submitted to the WSN. Unlike previous algorithms that consider continuous queries only, HQP supports both continuous queries and ad-hoc queries. Specially, HQP tries to reduce energy consumption of ad-hoc queries by using query results cached at each sensor node which are created during the execution of the previous continuous query. HQP can also exploit a trade-off between energy consumption and data accuracy. We evaluate the performance of HQP under a variety of WSN configurations.

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  Cite this article

[IEEE Style]

S. Yun and H. Cho, "Ad-hoc Query Processing in a Wireless Sensor Network," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 11, pp. 685-692, 2007. DOI: .

[ACM Style]

Sanghun Yun and Haengrae Cho. 2007. Ad-hoc Query Processing in a Wireless Sensor Network. The Journal of Korean Institute of Communications and Information Sciences, 32, 11, (2007), 685-692. DOI: .

[KICS Style]

Sanghun Yun and Haengrae Cho, "Ad-hoc Query Processing in a Wireless Sensor Network," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 11, pp. 685-692, 11. 2007.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880