Queue-based adaptive duty cycle control for wireless sensor networks

Authors:
Heejung Byun;Jungmin So
Affiliations:
Dept. of Information and Telecommunication Engineering, Suwon University, Gyeonggi-do, Korea;Dept. of Computer Engineering, Hallym University, Chuncheon, Gangwon-do, Korea
Venue:
ICA3PP'11 Proceedings of the 11th international conference on Algorithms and architectures for parallel processing - Volume Part II
Year:
2011

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Abstract

This paper proposes a control-based approach to duty cycle adaptation for wireless sensor networks. The proposed method controls duty cycle through queue management in order to achieve high performance under variable traffic rates. To have energy efficiency while minimizing the delay, we design a feedback controller, which adapts sleeping interval time to traffic change dynamically by constraining the queue length at a predetermined value. Based on the control theory, we analyze the adaptation behavior of the proposed controller and demonstrate system stability. The simulation results show that the proposed method outperforms existing scheduling protocols by achieving more energy savings while minimizing the delay.