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A price based spectrum sharing scheme is considered where a primary user allows certain secondary users to access its unused licensed band opportunistically or with coexistence. While in coexistence, network of multiple users, competing for the same idle spectrum, ends up causing intolerable interferences to the primary receiver. Since PU is of prior importance, any kind of interruption to its transmission...
Cognitive Radio (CR) is a promising technology to alleviate spectrum scarcity problem. CR enables a technique called spectrum leasing where the secondary users able to access licensed spectrum bands opportunistically by making monetary payment. A three phase spectrum leasing scheme is considered where primary user allows users in a distributed secondary network to access its licensed band either in...
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