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The scarcity of spectrum resource in future wireless networks has inspired the demand of dynamic spectrum management (DSM). This paper investigates a cell based dynamic spectrum management (CBDSM) scheme to enhance the spectrum utilization and maximize the profit of operators for cognitive networks. In this scheme, the economic factor of the spectrum is taken into account in order to guarantee the...
Future wireless systems are characterized by the pouring of diversified services supported by heterogeneous radio access technologies (RATs). In parallel with this, the tremendous demand for spectrum has brought the requirement of dynamic spectrum allocation (DSA) into our sight. This article aims at designing a centralized DSA scheme to enhance the spectrum utilization and maximize the profit of...
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