Lok Man Law

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—In this paper, we model and analyze the interactions between secondary users in a spectrum overlay cognitive system as a cognitive MAC game. In this game, each secondary user can sense (and transmit) one of several channels, the availability of each channel is determined by the activity of the corresponding primary user. We show that this game belongs to(More)
— In this paper, we consider a cognitive radio network where secondary users may have different sets of available channels. We propose a partial cooperation scheme that captures the feature of incomplete channel availability information under spatial heterogeneity. It encourages cooperation among users in a group with the same priority channel, while allows(More)
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