认知Wi-Fi网络中使用相关均衡的频谱共享算法

doi:10.3969/j.issn.1001-2400.2014.03.014

Abstract

Abstract:

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

XU Chao;SHENG Min;YANG Chungang;MA Xiao. Correlated equilibrium-based spectrum sharing algorithm design for the cognitive Wi-Fi networks[J].J4, 2014, 41(3): 95-102+109.

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

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