A cooperation strategy based on game theory in cooperative UWB networks

  • Authors:

  • Fangni Chen;Zhongpeng Wang;Yi Yang

  • Affiliations:

  • Dept. of Communication and Electronic Engineering, Zhejiang University of Science and Technology, Hangzhou, China and Zhejiang Provincial Key Laboratory of Information Network Technology, Hangzhou ...;Dept. of Communication and Electronic Engineering, Zhejiang University of Science and Technology, Hangzhou, China;Dept. of Communication and Electronic Engineering, Zhejiang University of Science and Technology, Hangzhou, China

  • Venue:
  • WiCOM'09 Proceedings of the 5th International Conference on Wireless communications, networking and mobile computing
  • Year:
  • 2009

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Abstract

In most research, cooperation is associated with a node's willingness to sacrifice resources for the benefit of other nodes in the networks. But in WAPN applications especially in power limited UWB networks, nodes are independent selfish individuals and they do not voluntary to help other nodes. Cooperation strategy based on the game theory method is studied here. An unsymmetrical system model is constructed, and a price game based on a new payoff function is proposed to describe the cooperation in this model. The proposed pricing game is shown to converge to Nash equilibrium by the iteration algorithm, which effectively increases the payoffs of the users and the system.