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Cognitive radio resource management exploiting heterogeneous primary users and a radio environment map database
Vizziello, Anna; Akyildiz, Ian F.; Agustí Comes, Ramon; Favalli, Lorenzo; Savazzi, Pietro
Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions; Universitat Politècnica de Catalunya. GRCM - Grup de Recerca en Comunicacions Mòbils
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.
Peer Reviewed
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Radiodifusió per ràdio
Cognitive radio networks
Radio resource management
Interference protection
Cognitive radio networks
Ràdio cognitiva
Attribution-NonCommercial-NoDerivs 3.0 Spain

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