Cooperative spectrum occupancy measurements in the 2.4 GHz ISM band

Marja Matinmikko, Miia Mustonen, Marko Höyhtyä, Tapio Rauma, Heli Sarvanko, Aarne Mämmelä

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

    7 Citations (Scopus)

    Abstract

    This paper presents cooperative spectrum occupancy measurements in the 2.4 GHz ISM band. Spectrum occupancy describes the efficiency of spectrum use in terms of the proportion of time that the bands are occupied. In this paper, spectrum occupancy is measured from two measurement devices with several directional antennas. The spectrum occupancy information obtained from the different antennas and measurement devices is combined using techniques known from the cooperative spectrum sensing research for future cognitive radio systems. We introduce a new metric, the cooperative spectrum occupancy, to characterize the resulting spectrum occupancy that is obtained by combining the occupancy measurements from the antennas with different combining techniques, such as AND, OR, and majority combining rules. Since the transmission power levels at ISM band are low to allow efficient frequency reuse, the resulting spectrum occupancies are heavily dependent on the measurement location. Instead of averaging out the influence of the spatial dimension, the new metric can give more insights into the actual spectrum occupancy in a given area taking into account the spatial dimension.
    Original languageEnglish
    Title of host publication2010 3rd International Symposium on Applied Sciences in Biomedical and Communication Technologies (ISABEL 2010)
    Pages1-5
    ISBN (Electronic)978-1-4244-8132-3, 978-1-4244-8130-9
    DOIs
    Publication statusPublished - 2010
    MoE publication typeA4 Article in a conference publication
    Event3rd International Symposium on Applied Sciences in Biomedical and Communication Technologies, ISABEL 2010 - Roma, Italy
    Duration: 7 Nov 201010 Nov 2010
    Conference number: 3

    Conference

    Conference3rd International Symposium on Applied Sciences in Biomedical and Communication Technologies, ISABEL 2010
    Abbreviated titleISABEL 2010
    Country/TerritoryItaly
    CityRoma
    Period7/11/1010/11/10

    Keywords

    • cognitive radio system
    • cooperative spectrum sensing
    • directional antenna
    • spectrum occupancy
    • WLAN

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