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    On the usage of history for energy efficient spectrum sensing

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    Authors
    Syed, Tazeen Shabana
    Safdar, Ghazanfar Ali
    Affiliation
    University of Bedfordshire
    Issue Date
    2015-03-31
    Subjects
    spectrum sensing
    cognitive radio
    G420 Networks and Communications
    
    Metadata
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    Abstract
    Spectrum sensing is one of the most challenging issues in cognitive radio networks. It provides protection to primary users (PUs) from interference and also creates opportunities of spectrum access for secondary users (SUs). It should be performed efficiently to reduce number of false alarms and missed detection. At the same time, spectrum sensing should be energy efficient to ensure the longevity of cognitive radio devices. This work presents a novel scheme which investigates the usage of history for energy efficient spectrum sensing in infrastructure cognitive radio networks. The presented scheme employs an iteratively developed history processing database. It is shown that usage of history helps predicting PU activity and results into reduced spectrum scanning by SUs thereby improving the sensing related energy consumption.
    Citation
    Syed TS, Safdar GA (2015) 'On the usage of history for energy efficient spectrum sensing', IEEE Communications Letters, 19 (3), pp.407-410.
    Publisher
    IEEE
    Journal
    IEEE Communications Letters
    URI
    http://hdl.handle.net/10547/623045
    DOI
    10.1109/LCOMM.2015.2389243
    Additional Links
    https://ieeexplore.ieee.org/document/7004859
    Type
    Article
    Language
    en
    ISSN
    1089-7798
    ae974a485f413a2113503eed53cd6c53
    10.1109/LCOMM.2015.2389243
    Scopus Count
    Collections
    Computing

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