Application research of game theory in cognitive radio spectrum allocation

  • Zhi-jun Teng
  • Lu-ying XieEmail author
  • Hao-lei Chen
  • Li-xin Teng
  • Hong-biao Li


To solve the user congestion problem in cognitive radio spectrum allocation process, this paper, based on the game theory spectrum allocation model, proposes an equilibrium spectrum allocation algorithm based on potential game theory to quickly reach the Nash equilibrium of the game process among cognitive users and the balanced allocation of users among multiple channels. Simulation results show that the proposed algorithm can achieve balanced allocation of cognitive users among channels, avoid excessive congestion of some channels and improve spectrum utilization. In addition, it can converge to Nash equilibrium in a short time. It can effectively improve the SIR and communication quality of the system.


Cognitive radio Spectrum allocation Potential game theory SIR Spectrum utilization 



The authors would like to thank the anonymous reviewers for their valuable comments and suggestions to improve this paper. Besides, this work is supported by the National Natural Science Foundation Youth Science Foundation Project (No. 61501107), “13th Five-Year” Scientific Research Planning Project of Jilin Province Department of Education (No. JJKH20180439KJ).


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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.School of Electrical EngineeringNortheast Electric Power UniversityJilinChina
  2. 2.School of Computer ScienceNortheast Electric Power UniversityJilinChina

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