J4 ›› 2014, Vol. 41 ›› Issue (3): 95-102+109.doi: 10.3969/j.issn.1001-2400.2014.03.014

• 研究论文 • 上一篇    下一篇



  1. (西安电子科技大学 综合业务网理论及关键技术国家重点实验室,陕西 西安  710071)
  • 收稿日期:2013-03-11 出版日期:2014-06-20 发布日期:2014-07-10
  • 通讯作者: 徐超
  • 作者简介:徐超(1987-),男,西安电子科技大学博士研究生,E-mail:cxu@mail.xidian.edu.cn.
  • 基金资助:

    国家重点基础研究发展计划(973 计划)资助项目(2009CB320404);国家自然科学基金资助项目(61172079, 61231008, 61201141, 61201139);教育部创新团队111项目资助项目(B08038);国家重大专项资助项目(2010ZX03003-001);陕西省科学技术研究发展计划资助项目(2011KJXX-40);陕西自然科学基金资助项目(2012JQ8012);中央高校基本业务费资助项目(K5051201033)

Correlated equilibrium-based spectrum sharing algorithm design for the cognitive Wi-Fi networks

XU Chao;SHENG Min;YANG Chungang;MA Xiao   

  1. (State Key Lab. of Integrated Service Networks, Xidian Univ., Xi'an  710071, China)
  • Received:2013-03-11 Online:2014-06-20 Published:2014-07-10
  • Contact: XU Chao



关键词: 认知Wi-Fi, 频谱共享, 非协作博弈, 相关均衡, 分布式学


The cognitive Wi-Fi network is a novel WLAN(wireless local area network) operating on TVWS(TV white space) with cognitive radio technology. Two equilibrium-based spectrum sharing algorithms are proposed in this wireless network, which are implemented in a centralized way and a distributed way, respectively. Comprehensively considering the spectrum fragmentation, the interference among networks and the clients' traffic requirements, the spectrum sharing problem is formulated as a noncooperative game. The two algorithms consider the efficiency and complexity, respectively. To be specific, the centralized algorithm can maximize the whole payoff of the networks, while the distributed algorithm can be realized without information interaction. Simulation results show that, compared to the greedy algorithm, both of the two proposed algorithms can achieve higher benefits.

Key words: cognitive Wi-Fi, spectrum sharing, noncooperative game, correlated equilibrium, distributed learning