NDLI: A closed-form solution to the power minimization problem over two orthogonal frequency bands under QoS and Cognitive Radio interference constraints

Content Provider	IEEE Xplore Digital Library
Author	Masmoudi, R. Belmega, E.V. Fijalkow, I. Sellami, N.
Copyright Year	2012
Description	Author affiliation: ETIS/ ENSEA, Université Cergy-Pontoise, CNRS, 6 Avenue du Ponceau, F-95000, France (Masmoudi, R.; Belmega, E.V.; Fijalkow, I.) \|\| LETI, ENIS and University of Sfax, 3038, Tunisia (Sellami, N.)
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.
Starting Page	212
Ending Page	222
File Size	967320
Page Count	11
File Format	PDF
ISBN	9781467344470
e-ISBN	9781467344487
e-ISBN	9781467344463
DOI	10.1109/DYSPAN.2012.6478132
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-16
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	green communications power-efficient spectrum allocation problems Cognitive Radio channels Quality of service Tin Minimization Resource management Interference constraints Optimization
Content Type	Text
Resource Type	Article

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