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In this paper, we investigate the problem of dynamic spectrum access for small-cell networks using a graphical game approach. Compared with existing studies, we take the features of different cell loads and local interference relationship into account. It is proven that the formulated spectrum access game is an exact potential game (EPG) with the aggregate interference level as the potential function,...
In order to increase the network capacity and alleviate the problem of scarcity spectrum, LTE in unlicensed band (LTE-U) has been proposed recently and provides a large amount of potential interests for most operators and companies (e.g., Qualcomm, Nokia). But because Wi-Fi has been widely used in unlicensed bands, how to offload the traffic from licensed bands to unlicensed bands is one of the crucial...
This article investigates the problem of distributed interference management in microcell systems, where many microcell base stations (MBSs) and user equipments (UEs) are randomly located and mutual interference only emerges between neighboring microcells. In addition, only local information can be utilized for each microcell. We propose a new resource multiplexing scheme-Soft Frequency-Time Reuse...
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