Call admission control policies in cellular wireless networks with spectrum renting
Computer Communications
A survey on spectrum management in cognitive radio networks
IEEE Communications Magazine
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The scarcity of the radio spectrum makes necessary to implement efficient methods to make use of it. In this paper we consider a primary network that rents a given number of its channels and a secondary network that has a number of dedicated channels and can use opportunistically the rented channels of the primary network. Considering this scenario different channel sharing strategies between primary and secondary users are analized and the optimal admission control policy respect to a cost function for secondary users is evaluated for each of the strategies.