Power Control Algorithm Based on Non-cooperative Game Theory of WBANs

doi:10.16182/j.issn1004731x.joss.201804048

Abstract

Abstract: A non-cooperative self-adaptive power control algorithm is proposed based on the model of TDMA wireless body area networks (WBANs) interference. The algorithm is put forward using payoff function and cost function as utility functions.The transmitting power vector is obtained by the optimal response strategy update. It is proved that the network can reach Nash Equilibrium with the transmitting power vector, and in this situation all the users’ utility function is maximized. The Matlab is applied to simulation process of the algorithm, during which simulation has been carried out with different parameters. Compared with the traditional allocation scheme K-G, results show that algorithm based on the non-cooperative game theory has a very good astringency. Performance of the system can be improved through the selection of the price factor between 3.5 and 6.9.

Key words: wireless body area networks (WBANs), power control algorithm, non-cooperative game, interference

CLC Number:

TP393

Xu Yong, Ke Mengya, Liu Fen, Zha Qianming. Power Control Algorithm Based on Non-cooperative Game Theory of WBANs[J]. Journal of System Simulation, 2018, 30(4): 1601-1607.

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