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Sensors 2009, 9(5), 3908-3941; doi:10.3390/s90503908

Dynamic Hierarchical Sleep Scheduling for Wireless Ad-Hoc Sensor Networks

*  and
Department of Electrical Engineering, Graduate Institute of Communication Engineering, National Chung Hsing University, Taichung 402, Taiwan
* Author to whom correspondence should be addressed.
Received: 18 March 2009 / Revised: 29 April 2009 / Accepted: 20 May 2009 / Published: 25 May 2009
(This article belongs to the Special Issue Wireless Sensor Technologies and Applications)


This paper presents two scheduling management schemes for wireless sensor networks, which manage the sensors by utilizing the hierarchical network structure and allocate network resources efficiently. A local criterion is used to simultaneously establish the sensing coverage and connectivity such that dynamic cluster-based sleep scheduling can be achieved. The proposed schemes are simulated and analyzed to abstract the network behaviors in a number of settings. The experimental results show that the proposed algorithms provide efficient network power control and can achieve high scalability in wireless sensor networks.
Keywords: wireless sensor networks; scheduling management; sensing coverage wireless sensor networks; scheduling management; sensing coverage
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Wen, C.-Y.; Chen, Y.-C. Dynamic Hierarchical Sleep Scheduling for Wireless Ad-Hoc Sensor Networks. Sensors 2009, 9, 3908-3941.

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