Residual Energy-Aware Duty-Cycle Scheduling Scheme in Energy Harvesting Wireless Sensor Networks 


Vol. 39,  No. 10, pp. 691-699, Oct.  2014


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  Abstract

In order to increase network lifetime, duty-cycle MAC protocols which can reduce energy consumption caused by idle listening is proposed for WSNs. In common duty-cycle MAC protocols, each sensor node calculates its duty-cycle interval based on the current amount of residual energy. However, in WSNs with the capability of energy harvesting, existing duty-cycle intervals based on the residual energy may cause the sensor nodes which have high energy harvesting rate to suffer unnecessary sleep latency. Therefore, a duty-cycle scheduling scheme which adjust the duty-cycle interval based on both of the residual energy and the energy harvesting rate was proposed in our previous work. However, since this duty-cycle MAC protocol overlooked the performance variation according to the change of duty-cycle interval and adjusted the duty-cycle interval only linearly, the optimal duty-cycle interval could not be obtained to meet application requirements. In this paper, we propose three methods which calculate the duty-cycle interval and analyse their results. Through simulation study, we verify that network lifetime, end-to-end delay and packet delivery ratio can be improved up to 23%, 44% and 31% as compared to the existing linear duty-cycle scheduling method, respectively.

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  Cite this article

[IEEE Style]

S. Lee, H. Yoo, D. Kim, "Residual Energy-Aware Duty-Cycle Scheduling Scheme in Energy Harvesting Wireless Sensor Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 39, no. 10, pp. 691-699, 2014. DOI: .

[ACM Style]

Sungwon Lee, Hongseok Yoo, and Dongkyun Kim. 2014. Residual Energy-Aware Duty-Cycle Scheduling Scheme in Energy Harvesting Wireless Sensor Networks. The Journal of Korean Institute of Communications and Information Sciences, 39, 10, (2014), 691-699. DOI: .

[KICS Style]

Sungwon Lee, Hongseok Yoo, Dongkyun Kim, "Residual Energy-Aware Duty-Cycle Scheduling Scheme in Energy Harvesting Wireless Sensor Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 39, no. 10, pp. 691-699, 10. 2014.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880