J4 ›› 2009, Vol. 36 ›› Issue (6): 996-1002.

• Original Articles • Previous Articles     Next Articles

Dynamic spectrum allocation based on continuous double auctions in cognitive radio networks

LIU Ying-ting1;CAI Jue-ping2;LI Zan1;ZHANG Hai-lin1;LIU Quan-yang3
  

  1. (1. State Key Lab. of Integrated Service Networks, Xidian Univ., Xi'an  710071, China;
    2. School of Microelectronic, Xidian Univ., Xi'an  710071, China;
    3. Gansu Design & Research Inst. of Environmental Sci., Lanzhou  730030, China)
  • Received:2008-12-17 Online:2009-12-20 Published:2010-01-20
  • Contact: LIU Ying-ting E-mail:ytliu@xidian.edu.cn

Abstract:

Multiple primary and multiple secondary users coexist in non-cooperation cognitive networks. All primary and secondary users are selfish and rational with the hope of acquiring the maximum gain on condition that they do not harm the profits of others, which accords with the hypothesis of users in continuous double auctions. For this characteristic, dynamic spectrum allocation based on fuzzy-logic continuous double auctions is proposed, based on the theory of experimental economics. In spectrum auctions, every user uses bidding strategy based on the fuzzy-logic. With this method, they can adjust their bidding steps in time according to the business situation, and reduce the time of bid to finish the business rapidly. Simulation results show that our proposed scheme has 85% efficiency of spectrum usage. Dynamic Spectrum allocation in the multi-to-multi situation in non-cooperation cognitive networks is solved effectively with the method proposed in the paper.

Key words: cognitive radio, fuzzy-logic, auctions, dynamic spectrum allocation

CLC Number: 

  • TN911.22