Adaptive Timeout Scheduling for Energy-Efficient, Reliable Data Aggregation in Wireless Sensor Networks 


Vol. 33,  No. 5, pp. 326-333, May  2008


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  Abstract

In wireless sensor networks, a sensor node with in-network aggregation adjusts the timeout which is a waiting time to receive messages from child nodes. This paper proposes a novel timeout scheduling scheme for data aggregation in wireless sensor networks, which adaptively configures its timeout according to changing data patterns in order to improve energy efficiency and data accuracy during data aggregation. The proposed scheme decreases the timeout when the temporal difference of collected data (data variation) from children is lower than a pre-defined threshold because there is no occurrence of critical events. Conversely, it increases the timeout when the data variation is higher than the pre-defined threshold in order to fulfill more accurate data aggregation. Extensive simulation reveals that the proposed scheme outperforms the cascading-based scheme in terms of energy consumption and data accuracy.

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  Cite this article

[IEEE Style]

J. W. Baek, Y. J. Nam, D. Seo, "Adaptive Timeout Scheduling for Energy-Efficient, Reliable Data Aggregation in Wireless Sensor Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 5, pp. 326-333, 2008. DOI: .

[ACM Style]

Jang Woon Baek, Young Jin Nam, and Dae-Wha Seo. 2008. Adaptive Timeout Scheduling for Energy-Efficient, Reliable Data Aggregation in Wireless Sensor Networks. The Journal of Korean Institute of Communications and Information Sciences, 33, 5, (2008), 326-333. DOI: .

[KICS Style]

Jang Woon Baek, Young Jin Nam, Dae-Wha Seo, "Adaptive Timeout Scheduling for Energy-Efficient, Reliable Data Aggregation in Wireless Sensor Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 5, pp. 326-333, 5. 2008.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880