Power-Efficient Data Propagation Protocols for Wireless Sensor Networks

Author:

Boukerche Azzedine1,Chatzigiannakis Ioannis2,Nikoletseas Sotiris3

Affiliation:

1. SITE University of Ottawa, Canada,

2. Computer Technology Institute and Department of Computer Engineering and Informatics, University of Patrasm, 26500 Patras, Greece

3. Computer Technology Institute and Department of Computer Engineering and Informatics, University of Patras, 26500 Patras, Greece

Abstract

Wireless sensor networks are composed of a vast number of ultra-small, fully autonomous computing, communication, and sensing devices, with very restricted energy and computing capabilities, that cooperate to accomplish a large sensing task. Such networks can be very useful in practice. The authors propose extended versions of two data propagation protocols: the Sleep-Awake Probabilistic Forwarding (SW-PFR) protocol and the Hierarchical Threshold-Sensitive Energy-Efficient Network (H-TEEN) protocol. These nontrivial extensions aim at improving the performance of the original protocols by introducing sleep-awake periods in the PFR case to save energy and introducing a hierarchy of clustering in the TEEN case to better cope with large network areas. The authors implemented the two protocols and performed an extensive comparison via simulation of various important measures of their performance with a focus on energy consumption. Data propagation under this approach exhibits high fault tolerance and increases network lifetime.

Publisher

SAGE Publications

Subject

Computer Graphics and Computer-Aided Design,Modeling and Simulation,Software

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