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    Interference-aware random beam selection schemes for spectrum sharing systems

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    qfarf2E20122ECSP20.pdf
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    Description:
    Abstract
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    Type
    Presentation
    Authors
    Abdallah, Mohamed
    Qaraqe, Khalid
    Alouini, Mohamed-Slim cc
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    Date
    2012-10-30
    Online Publication Date
    2012-10-30
    Print Publication Date
    2012-10
    Permanent link to this record
    http://hdl.handle.net/10754/593659
    
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    Abstract
    Spectrum sharing systems have been recently introduced to alleviate the problem of spectrum scarcity by allowing secondary unlicensed networks to share the spectrum with primary licensed networks under acceptable interference levels to the primary users. In this work, we develop interference-aware random beam selection schemes that provide enhanced performance for the secondary network under the condition that the interference observed by the receivers of the primary network is below a predetermined/acceptable value. We consider a secondary link composed of a transmitter equipped with multiple antennas and a single-antenna receiver sharing the same spectrum with a primary link composed of a single-antenna transmitter and a single-antenna receiver. The proposed schemes select a beam, among a set of power-optimized random beams, that maximizes the signal-to-interference-plus-noise ratio (SINR) of the secondary link while satisfying the primary interference constraint for different levels of feedback information describing the interference level at the primary receiver. For the proposed schemes, we develop a statistical analysis for the SINR statistics as well as the capacity and bit error rate (BER) of the secondary link.
    Citation
    Interference-aware random beam selection schemes for spectrum sharing systems 2012 (2012):CSP20 Qatar Foundation Annual Research Forum Proceedings
    Publisher
    Hamad bin Khalifa University Press (HBKU Press)
    Journal
    Qatar Foundation Annual Research Forum Proceedings
    DOI
    10.5339/qfarf.2012.CSP20
    Additional Links
    http://www.qscience.com/doi/abs/10.5339/qfarf.2012.CSP20
    ae974a485f413a2113503eed53cd6c53
    10.5339/qfarf.2012.CSP20
    Scopus Count
    Collections
    Electrical and Computer Engineering Program; Presentations; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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