Title
A closed-form solution to the power minimization problem over two orthogonal frequency bands under QoS and Cognitive Radio interference constraints
Abstract
This paper considers a Cognitive Radio (CR) channel composed of a secondary user (SU) and a primary user (PU). An analysis of the power minimization over several orthogonal frequency bands at the SU level under the following constraints is provided: a minimum Quality of Service (QoS) constraint, maximum peak and average interference to the PU constraints. The general solution, when it exists, is a water-filling type of solution which can be computed via iterative algorithms. It turns out that, in the case of two orthogonal bands a closed-form analytical solution can be found and a complete analysis of the feasibility of these opposing constraints is presented in details. Several numerical results that sustain and give inside into the analysis are also discussed.
Year
DOI
Venue
2012
10.1109/DYSPAN.2012.6478132
Dynamic Spectrum Access Networks
Keywords
Field
DocType
cognitive radio,quality of service,radiofrequency interference,pu constraints,qos,closed-form analytical solution,closed-form solution,cognitive radio interference constraints,interference,orthogonal frequency bands,power minimization,power minimization problem,primary user,secondary user,cognitive radio channels,green communications,power-efficient spectrum allocation problems
Topology,Mathematical optimization,Computer science,Quality of service,Closed-form expression,Communication channel,Interference (wave propagation),Radio spectrum,Cognitive radio,Power minimization
Conference
ISBN
Citations 
PageRank 
978-1-4673-4446-3
6
0.46
References 
Authors
5
4
Name
Order
Citations
PageRank
Raouia Masmoudi1101.22
Elena Veronica Belmega217010.88
Inbar Fijalkow321835.60
Noura Sellami43211.05