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Algorithms 2014, 7(4), 510-522; doi:10.3390/a7040510

A CR Spectrum Allocation Algorithm in Smart Grid Wireless Sensor Network

State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University, Chongqing 400044, China
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Academic Editor: Ahcène Bounceur
Received: 7 May 2014 / Revised: 21 September 2014 / Accepted: 23 September 2014 / Published: 13 October 2014
(This article belongs to the Special Issue Algorithms for Wireless Sensor Networks)
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Abstract

Cognitive radio (CR) method was introduced in smart grid communication systems to resolve potential maladies such as the coexistence of heterogeneous networks, overloaded data flow, diversity in data structures, and unstable quality of service (QOS). In this paper, a cognitive spectrum allocation algorithm based on non-cooperative game theory is proposed. The CR spectrum allocation model was developed by modifying the traditional game model via the insertion of a time variable and a critical function. The computing simulation result shows that the improved spectrum allocation algorithm can achieve stable spectrum allocation strategies and avoid the appearance of multi-Nash equilibrium at the expense of certain sacrifices in the system utility. It is suitable for application in distributed cognitive networks in power grids, thus contributing to the improvement of the isomerism and data capacity of power communication systems. View Full-Text
Keywords: cognitive radio; game theory; smart grid; spectrum allocation; simulation cognitive radio; game theory; smart grid; spectrum allocation; simulation
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He, W.; Li, K.; Zhou, Q.; Li, S. A CR Spectrum Allocation Algorithm in Smart Grid Wireless Sensor Network. Algorithms 2014, 7, 510-522.

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