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Open AccessArticle

A Distributed Energy-Balanced Topology Control Algorithm Based on a Noncooperative Game for Wireless Sensor Networks

School of Electronics & Information Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
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Sensors 2018, 18(12), 4454; https://doi.org/10.3390/s18124454
Received: 9 October 2018 / Revised: 12 December 2018 / Accepted: 13 December 2018 / Published: 16 December 2018
In wireless sensor networks, nodes may adopt selfish behavior to save their energy resources, which causes energy imbalance among nodes, because of lacking a central controller with the function of making nodes cooperate. Noncooperative game is an effective tool for portraying this kind of selfish behavior. In this paper, we address the problems of transmission power minimization and energy balance using a topology control game. Firstly, we establish a topology control game model and prove that the topology game model is an ordinal potential game with Pareto optimality. Secondly, based on this model, we propose an Energy Balance Topology control Game algorithm (EBTG), in which, by taking the energy efficiency and energy balance of the nodes into account, we design an improved optimization-integrated utility function by introducing the Theil index. Finally, simulation results show that the EBTG algorithm can improve the energy balance and energy efficiency, and can prolong the network lifetime in comparison with other topology control algorithms based on game theory. View Full-Text
Keywords: wireless sensor networks; topology control; game theory; energy balanced wireless sensor networks; topology control; game theory; energy balanced
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Du, Y.; Gong, J.; Wang, Z.; Xu, N. A Distributed Energy-Balanced Topology Control Algorithm Based on a Noncooperative Game for Wireless Sensor Networks. Sensors 2018, 18, 4454.

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