DSSP: A Dynamic Sleep Scheduling Protocol for Prolonging the Lifetime of Wireless Sensor Networks

Authors:
Eyuphan Bulut;Ibrahim Korpeoglu
Affiliations:
Bilkent University, Turkey;Bilkent University, Turkey
Venue:
AINAW '07 Proceedings of the 21st International Conference on Advanced Information Networking and Applications Workshops - Volume 02
Year:
2007

Citing 0
Cited 3

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Sleep scheduling with expected common coverage in wireless sensor networks

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Deployment guidelines for achieving maximum lifetime and avoiding energy holes in sensor network

Information Sciences: an International Journal

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Abstract

This paper presents DSSP (Dynamic Sleep Scheduling Protocol), a centralized scheme for extending the lifetime of densely deployed wireless sensor networks by keeping only a necessary set of sensor nodes active. We present an algorithm for finding out which nodes should be put into sleep mode, and the algorithm preserves coverage and connectivity while trying to put as much nodes as possible into sleep mode. The algorithm is executed at the base station periodically. In this way, the network is reconfigured periodically, which also helps to a more even distribution of energy consumption load to sensor nodes. We evaluated our protocol via simulations and observed a significant increase in the lifetime, depending on the node density, while providing good coverage.