Architecture and approach for obtaining spectrum availability information

Marja Matinmikko, Tapio Rauma, Miia Mustonen, Javier Del Ser

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

    8 Citations (Scopus)

    Abstract

    This paper presents a novel architecture and approach for obtaining spectrum availability information in future cognitive radio systems (CRS).
    CRS can opportunistically access spectrum by identifying unoccupied channels while keeping higher priority systems on the same channel free from harmful interference.
    Knowledge of the current state of the spectrum use is of utmost importance for CRS operations.
    There are different techniques for obtaining spectrum availability information including e.g. cognitive pilot channels, databases, spectrum sensing techniques, and combinations thereof. For spectrum sensing there are different algorithms and cooperative combining techniques with different characteristics and capabilities in terms of e.g. performance, complexity, and requirement of a priori information.
    This paper presents a unified architecture for selecting methods for obtaining spectrum availability information taking into account the operational environment and underlying policies.
    In addition, a novel low complexity heuristic decision making method is presented for selecting the spectrum sensing technique taking into account different capabilities and requirements while being adaptable to the changing environment.
    Original languageEnglish
    Title of host publicationProceedings
    Subtitle of host publicationIEEE 73rd Vehicular Technology Conference, VTC Spring 2011
    PublisherIEEE Institute of Electrical and Electronic Engineers
    ISBN (Electronic)978-1-4244-8331-0
    ISBN (Print)978-1-4244-8332-7, 978-1-4244-8329-7
    DOIs
    Publication statusPublished - 2011
    MoE publication typeA4 Article in a conference publication
    EventIEEE 73rd Vehicular Technology Conference, VTC Spring 2011 - Yokohama, Japan
    Duration: 15 May 201118 May 2011

    Conference

    ConferenceIEEE 73rd Vehicular Technology Conference, VTC Spring 2011
    Abbreviated titleVTC Spring 2011
    CountryJapan
    CityYokohama
    Period15/05/1118/05/11

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