A distributed energy-efficient topology control routing for mobile wireless sensor networks

Authors:
Yan Ren;Bo Wang;Sidong Zhang;Hongke Zhang
Affiliations:
School of Electronics and Information Engineering, Beijing Jiaotong University, Beijing, China;School of Electronics and Information Engineering, Beijing Jiaotong University, Beijing, China;School of Electronics and Information Engineering, Beijing Jiaotong University, Beijing, China;School of Electronics and Information Engineering, Beijing Jiaotong University, Beijing, China
Venue:
NETWORKING'07 Proceedings of the 6th international IFIP-TC6 conference on Ad Hoc and sensor networks, wireless networks, next generation internet
Year:
2007

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Abstract

One of the fundamental issues in wireless sensor networks (WSNs) is the topology control (TC) problem, which reflects how well the energy consumption is reduced and the network capacity is enhanced. In this paper, by using computational geometry theoretic, we present a fully distributed routing protocol, Cooperative Energy-efficient Topology Control (Co-ETC), whose goal is to achieve energy efficiency in mobile wireless sensor networks. Based on underlying routing graph, the proposed scheme allows each node (with or without mobility) to locally select communication neighbors and dynamically adjust its transmission radius accordingly, such that all nodes together self-form a energy-efficient topology. The simulation results indicated that the proposed scheme was feasible. Compared with existing state-of-the-art algorithms and protocols, Co-ETC has better energy-efficiency. Moreover, it can adapt to mobile environment well.