Improving energy saving and reliability in wireless sensor networks using a simple CRT-based packet-forwarding solution

Authors:
Giuseppe Campobello;Alessandro Leonardi;Sergio Palazzo
Affiliations:
Dipartimento di Fisica della Materia e Ingegneria Elettronica, University of Messina, Messina, Italy;Dipartimento di Ingegneria Elettrica, Elettronica ed Informatica, University of Catania, Catania, Italy;Dipartimento di Ingegneria Elettrica, Elettronica ed Informatica, University of Catania, Catania, Italy
Venue:
IEEE/ACM Transactions on Networking (TON)
Year:
2012

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Abstract

This paper deals with a novel forwarding scheme for wireless sensor networks aimed at combining low computational complexity and high performance in terms of energy efficiency and reliability. The proposed approach relies on a packet-splitting algorithm based on the Chinese Remainder Theorem (CRT) and is characterized by a simple modular division between integers. An analytical model for estimating the energy efficiency of the scheme is presented, and several practical issues such as the effect of unreliable channels, topology changes, andMACoverhead are discussed. The results obtained show that the proposed algorithm outperforms traditional approaches in terms of power saving, simplicity, and fair distribution of energy consumption among all nodes in the network.