Dynamic Resource Allocation in Cognitive Radio Networks: A Convex Optimization Perspective

This paper provides an overview of the state-of-art results on communication resource allocation over space, time, and frequency for emerging Cognitive Radio (CR) wireless networks. Focusing on the interference-power/Interference-Temperature (IT) constraint approach for CRs to protect primary radio transmissions, many new and challenging problems regarding the design of CR systems are formulated, and some of the corresponding solutions are shown to be obtainable by restructuring some classic results known for traditional (non-CR) wireless networks. It is demonstrated that convex optimization plays an essential role in solving these problems, in a both rigorous and efficient way.

Provided by: Cornell University Topic: Mobility Date Added: Jan 2010 Format: PDF

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