J4 ›› 2012, Vol. 39 ›› Issue (4): 39-45.doi: 10.3969/j.issn.1001-2400.2012.04.008

• Original Articles • Previous Articles     Next Articles

Joint channel and power allocation for the uplink in  multi-cells of the WRAN

LIU Yingting1,2;LI Chenxi1;ZHANG Hailin2;HAN Kun3;LIU Shuhua2;LU Xiaofeng2   

  1. (1. Info. and Comm. Company of Gansu Electric Power Corp., Lanzhou 730050, China;
    2. State Key Lab. of Integrated Service Networks, Xidian Univ., Xi'an  710071, China;
    3. Dept. of Command Information System, Xi'an Communication Inst., Xi'an  710106, China)
  • Received:2011-09-06 Online:2012-08-20 Published:2012-10-08
  • Contact: LIU Yingting E-mail:ytliu@xidian.edu.cn

Abstract:

A new WM-CPE coexistence model is established based on the analysis of the interference between consumer premise equipments (CPEs) and wireless microphones (WMs) in the Wireless Regional Area Network (WRAN). The proposed joint channel and power allocation game for the uplink in multi-cells of the WRAN can be formulated as a potential game and it is guaranteed to converge to a Nash equilibrium when the best response strategy is performed after observing the opponent's response. The user's utility function and the system's potential function are given and proved. The proposed algorithm has lower complexity than the brute-force (BF) search. Simulation results verify the convergence and correctness.

Key words: wireless regional area network, cognitive radio, game theory, channel allocation, power allocation