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Wireless Networks

, Volume 19, Issue 6, pp 1203–1216 | Cite as

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

  • Anna VizzielloEmail author
  • Ian F. Akyildiz
  • Ramon Agustí
  • Lorenzo Favalli
  • Pietro Savazzi
Article

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.

Keywords

Radio resource management Optimization Interference protection Cognitive radio networks 

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Copyright information

© Springer Science+Business Media New York 2012

Authors and Affiliations

  • Anna Vizziello
    • 1
    Email author
  • Ian F. Akyildiz
    • 2
    • 3
    • 4
  • Ramon Agustí
    • 5
  • Lorenzo Favalli
    • 1
  • Pietro Savazzi
    • 1
  1. 1.Dipartimento di Ingegneria Industriale e dell’InformazioneUniversità degli Studi di PaviaPaviaItaly
  2. 2.Telecommunication Engineering School (ETSETB)Universitat Politècnica de Catalunya (UPC)BarcelonaSpain
  3. 3.Department of Information TechnologyKing Abdulaziz UniversityJeddahSaudi Arabia
  4. 4.Broadband Wireless Networking Laboratory (BWNLab), School of Electrical and Computer EngineeringGeorgia Institute of TechnologyAtlantaUSA
  5. 5.Department of Signal Theory and Communications (TSC)Universitat Politècnica de Catalunya (UPC)BarcelonaSpain

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