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Erschienen in: Wireless Networks 6/2013

01.08.2013

Cognitive radio resource management exploiting heterogeneous primary users and a radio environment map database

verfasst von: Anna Vizziello, Ian F. Akyildiz, Ramon Agustí, Lorenzo Favalli, Pietro Savazzi

Erschienen in: Wireless Networks | Ausgabe 6/2013

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Abstract

The efficient utilization of radio resources is a fundamental issue in cognitive radio (CR) networks. Thus, a novel cognitive radio resource management (RRM) is proposed to improve the spectrum utilization efficiency. An optimization framework for RRM is developed that makes the following contributions: (i) considering heterogeneous primary users (PUs) with multiple features stored in a radio environment map database, (ii) allowing variable CR demands, (iii) assuring interference protection towards PUs. After showing that the optimal solution is computationally infeasible, a suboptimal solution is consequently proposed. Performance evaluation is conducted in terms of total achieved data rate and satisfaction of CR requirements.

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Metadaten
Titel
Cognitive radio resource management exploiting heterogeneous primary users and a radio environment map database
verfasst von
Anna Vizziello
Ian F. Akyildiz
Ramon Agustí
Lorenzo Favalli
Pietro Savazzi
Publikationsdatum
01.08.2013
Verlag
Springer US
Erschienen in
Wireless Networks / Ausgabe 6/2013
Print ISSN: 1022-0038
Elektronische ISSN: 1572-8196
DOI
https://doi.org/10.1007/s11276-012-0528-y

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