DSSP: A Dynamic Sleep Scheduling Protocol for prolonging the lifetime of wireless sensor networks

Date
2007-05
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Source Title
Proceedings - 21st International Conference on Advanced Information Networking and Applications Workshops/Symposia, AINAW'07
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Publisher
IEEE
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Pages
725 - 730
Language
English
Type
Conference Paper
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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. © 2007 IEEE.

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Keywords
Algorithms, Computer simulation, Network protocols, Node density, Sensor nodes, Sleep mode, Wireless sensor networks
Citation
Published Version (Please cite this version)