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Multi-armed bandit games form a class of sequential optimization problems, in which a player sequentially pulls an arm, selected from a known and finite set of arms, in order to receive an a priori unknown reward. Since the player does not know the arm with the highest reward in advance, it utilizes a well-designed selection strategy to minimize the so-called regret, which, roughly speaking, results...
In this paper, we propose a hybrid centralized-decentralized resource allocation scheme for the downlink of two-hop relayed transmission. In the first-hop, a centralized joint power and subcarrier allocation is done. The second-hop is modelled as a virtual supply-demand market, and a two-level game is designed to find the Nash equilibrium. The proposed scheme has several advantageous including: (1)...
We propose a new bandwidth allocation scheme for two-hop transmission. The fixed relay network is modeled as a virtual oligopoly market, and the Cournot game model is exploited in order to solve the resource allocation problem. Two different types of Cournot competition, namely static and dynamic, are discussed. For the latter case, the stability conditions are analyzed. By using the proposed scheme,...
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