On Providing Reliability and Maximizing Network Lifetime in Multi-Sink Wireless Sensor Networks

Authors:
Saamaja Vupputuri;Kiran Rachuri;A. Antony Franklin;C. Siva Ram Murthy
Affiliations:
Department of Computer Science and Engineering, Indian Institute of Technology Madras, Chennai, India 600036;Department of Computer Science and Engineering, Indian Institute of Technology Madras, Chennai, India 600036;Department of Computer Science and Engineering, Indian Institute of Technology Madras, Chennai, India 600036;Department of Computer Science and Engineering, Indian Institute of Technology Madras, Chennai, India 600036
Venue:
ICDCN '09 Proceedings of the 10th International Conference on Distributed Computing and Networking
Year:
2009

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Abstract

In this paper, we focus on maximizing network lifetime of Multi-Sink Wireless Sensor Networks without compromising on reliability requirements. We propose Multi-Sink Multi-Path (MSMP) protocol which achieves the desired reliability by selecting the sink nodes based on their Total Reaching Probabilities (TRPs) and using multiple paths for forwarding to each selected sink. MSMP maximizes the network lifetime by reducing the load on the one hop neighbors of the source node. In addition, MSMP shuffles among all the sink nodes, to distribute the load on all the nodes in the network. This shuffling is based on the energy levels of the nodes in the paths to the sink nodes. We compare MSMP with the existing approaches via simulations and show that MSMP achieves the maximum network lifetime compared to that of other approaches without compromising on the reliability requirements.