Cognitive radio

An intelligent wireless communication system

Marja Matinmikko, Marko Höyhtyä, Miia Mustonen, Heli Sarvanko, Atso Hekkala, Marcos Katz, Aarne Mämmelä, Markku Kiviranta, Aino Kautio

Research output: Book/ReportReportProfessional

Abstract

The radio frequency spectrum is a scarce natural resource and its efficient use is of the utmost importance. The spectrum bands are usually licensed to certain services, such as mobile, fixed, broadcast, and satellite, to avoid harmful interference between different networks to affect users. Most spectrum bands are allocated to certain services but worldwide spectrum occupancy measurements show that only portions of the spectrum band are fully used. Moreover, there are large temporal and spatial variations in the spectrum occupancy. In the development of future wireless systems the spectrum utilization functionalities will play a key role due to the scarcity of unallocated spectrum. Moreover, the trend in wireless communication systems is going from fully centralized systems into the direction of selforganizing systems where individual nodes can instantaneously establish ad hoc networks whose structure is changing over time. Cognitive radios, with the capabilities to sense the operating environment, learn and adapt in real time according to environment creating a form of mesh network, are seen as a promising technology.
Original languageEnglish
Place of PublicationOulu
PublisherVTT Technical Research Centre of Finland
Number of pages154
Publication statusPublished - 14 Mar 2008
MoE publication typeD4 Published development or research report or study

Publication series

NameResearch Report
PublisherVTT
No.VTT-R-02219-08

Fingerprint

Cognitive radio
Communication systems
Natural resources
Ad hoc networks
Satellites

Keywords

  • cognitive network
  • cognitive radio
  • radio frequencies
  • radio frequency identification
  • frequency management
  • power control
  • regulation
  • spectrum sensing

Cite this

Matinmikko, M., Höyhtyä, M., Mustonen, M., Sarvanko, H., Hekkala, A., Katz, M., ... Kautio, A. (2008). Cognitive radio: An intelligent wireless communication system. Oulu: VTT Technical Research Centre of Finland. VTT Research Report, No. VTT-R-02219-08
Matinmikko, Marja ; Höyhtyä, Marko ; Mustonen, Miia ; Sarvanko, Heli ; Hekkala, Atso ; Katz, Marcos ; Mämmelä, Aarne ; Kiviranta, Markku ; Kautio, Aino. / Cognitive radio : An intelligent wireless communication system. Oulu : VTT Technical Research Centre of Finland, 2008. 154 p. (VTT Research Report; No. VTT-R-02219-08).
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Matinmikko, M, Höyhtyä, M, Mustonen, M, Sarvanko, H, Hekkala, A, Katz, M, Mämmelä, A, Kiviranta, M & Kautio, A 2008, Cognitive radio: An intelligent wireless communication system. VTT Research Report, no. VTT-R-02219-08, VTT Technical Research Centre of Finland, Oulu.

Cognitive radio : An intelligent wireless communication system. / Matinmikko, Marja; Höyhtyä, Marko; Mustonen, Miia; Sarvanko, Heli; Hekkala, Atso; Katz, Marcos; Mämmelä, Aarne; Kiviranta, Markku; Kautio, Aino.

Oulu : VTT Technical Research Centre of Finland, 2008. 154 p. (VTT Research Report; No. VTT-R-02219-08).

Research output: Book/ReportReportProfessional

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AU - Sarvanko, Heli

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AU - Katz, Marcos

AU - Mämmelä, Aarne

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AU - Kautio, Aino

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AB - The radio frequency spectrum is a scarce natural resource and its efficient use is of the utmost importance. The spectrum bands are usually licensed to certain services, such as mobile, fixed, broadcast, and satellite, to avoid harmful interference between different networks to affect users. Most spectrum bands are allocated to certain services but worldwide spectrum occupancy measurements show that only portions of the spectrum band are fully used. Moreover, there are large temporal and spatial variations in the spectrum occupancy. In the development of future wireless systems the spectrum utilization functionalities will play a key role due to the scarcity of unallocated spectrum. Moreover, the trend in wireless communication systems is going from fully centralized systems into the direction of selforganizing systems where individual nodes can instantaneously establish ad hoc networks whose structure is changing over time. Cognitive radios, with the capabilities to sense the operating environment, learn and adapt in real time according to environment creating a form of mesh network, are seen as a promising technology.

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Matinmikko M, Höyhtyä M, Mustonen M, Sarvanko H, Hekkala A, Katz M et al. Cognitive radio: An intelligent wireless communication system. Oulu: VTT Technical Research Centre of Finland, 2008. 154 p. (VTT Research Report; No. VTT-R-02219-08).