NDLI: A New Method of Dynamic Spectrum Sharing Based on Bidding Mechanism

Content Provider	IEEE Xplore Digital Library
Author	Zhou Wei-feng Zhou Ai-fang Ma Liang
Copyright Year	2011
Abstract	In this paper, a new method of dynamic spectrum sharing with bidding is proposed in cognitive radio system. The Cournot game model of the proposed method is established, and it is proved that Nash Equilibrium of the new game model is existed, which can be found out by eliminating inferior point repeatedly. The method takes both primary and secondary users' earnings into account respectively when sharing the spectrum. We consider the problem of spectrum sharing among a primary user system and multiple secondary users. With the aim of maximizing its own profit, the spectrum market server of primary user decides how many spectrums to be lent based on the price each secondary user pay for the spectrum. With the game model, secondary users bid against each other to maximize every secondary user's revenue, and achieve the Nash Equilibrium finally. The simulation results show that this spectrum sharing algorithm under the bidding mechanism has fast convergence, and can achieve the Nash equilibrium finally. Compared with no bidding mechanism, the can make much more profit for the primary users.
Starting Page	1
Ending Page	4
File Size	261629
Page Count	4
File Format	PDF
ISBN	9781424462506
ISSN	21619654
e-ISBN	9781424462520
DOI	10.1109/wicom.2011.6040229
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-09-23
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Games Nash equilibrium Cognitive radio Servers Signal to noise ratio
Content Type	Text
Resource Type	Article

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