Towards Cognitive Radio Systems Main Findings from the COGNAC project

Marja Matinmikko (Editor), Timo Bräysy (Editor)

Research output: Book/ReportReportProfessional

Abstract

Cognitive radio systems have recently emerged as potential enablers of more efficient use of various resources in future wireless communication systems. Cognitive radio systems can obtain knowledge of their operational environment and internal state, adapt their operations to optimize performance, and learn from the results. This report presents the main results of the COGNAC project in the field of cognitive and opportunistic wireless communication networks. It identifies fundamental techniques for cognitive and opportunistic networks, summarizes the research activities carried out in the COGNAC project, and provides insight into future research directions. Theoretical studies have covered various aspects of cognitive radio techniques, e.g., spectrum-sensing techniques for obtaining information about current spectrum use, dynamic channel access for adapting operations, interference management using power and frequency control, cooperation among devices using game theory, and learning using stored history data. Experimental studies were conducted in the form of spectrum occupancy measurements and the implementation of a cognitive radio test bed. Contributions were made to spectrum regulatory bodies to pave the way for the introduction of cognitive radio techniques into the spectrum regulatory framework. Finally, a roadmap for cognitive radio systems was developed.
Original languageEnglish
Place of PublicationEspoo
PublisherVTT Technical Research Centre of Finland
Number of pages108
ISBN (Electronic)978-951-38-7696-8
ISBN (Print)978-951-38-7695-1
Publication statusPublished - 2011
MoE publication typeNot Eligible

Publication series

NameVTT Tiedotteita - Research Notes
PublisherVTT
No.2575
ISSN (Print)1235-0605
ISSN (Electronic)1455-0865

Fingerprint

Radio systems
Cognitive radio
Game theory
Telecommunication networks
Communication systems

Keywords

  • cognitive radio system
  • opportunistic network
  • resource management
  • roadmap
  • spectrum efficiency

Cite this

Matinmikko, M., & Bräysy, T. (Eds.) (2011). Towards Cognitive Radio Systems Main Findings from the COGNAC project. Espoo: VTT Technical Research Centre of Finland. VTT Tiedotteita - Research Notes, No. 2575
Matinmikko, Marja (Editor) ; Bräysy, Timo (Editor). / Towards Cognitive Radio Systems Main Findings from the COGNAC project. Espoo : VTT Technical Research Centre of Finland, 2011. 108 p. (VTT Tiedotteita - Research Notes; No. 2575).
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Matinmikko, M & Bräysy, T (eds) 2011, Towards Cognitive Radio Systems Main Findings from the COGNAC project. VTT Tiedotteita - Research Notes, no. 2575, VTT Technical Research Centre of Finland, Espoo.

Towards Cognitive Radio Systems Main Findings from the COGNAC project. / Matinmikko, Marja (Editor); Bräysy, Timo (Editor).

Espoo : VTT Technical Research Centre of Finland, 2011. 108 p. (VTT Tiedotteita - Research Notes; No. 2575).

Research output: Book/ReportReportProfessional

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Matinmikko M, (ed.), Bräysy T, (ed.). Towards Cognitive Radio Systems Main Findings from the COGNAC project. Espoo: VTT Technical Research Centre of Finland, 2011. 108 p. (VTT Tiedotteita - Research Notes; No. 2575).