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    Switched diversity strategies for dual-hop relaying systems

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    Type
    Conference Paper
    Authors
    Gaaloul, Fakhreddine
    Alouini, Mohamed-Slim cc
    Radaydeh, Redha Mahmoud Mesleh
    KAUST Department
    Communication Theory Lab
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    Physical Science and Engineering (PSE) Division
    Date
    2011-05-03
    Online Publication Date
    2011-05-03
    Print Publication Date
    2010-11
    Permanent link to this record
    http://hdl.handle.net/10754/236733
    
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    Abstract
    This paper investigates the effect of different switched diversity configurations on the implementation complexity and achieved performance of dual-hop amplify-and-forward (AF) relaying networks. A low-complexity model of the relay station is adopted, wherein single-input single-output antenna configuration is employed. Each of the transmitter and the receiver however employs multiple antennas to improve the overall link performance. Single-phase and two-phase based receive switching strategies are investigated assuming optimum first hop signal-to-noise ratio (SNR). Moreover, the simple scheme in which the switched diversity is applied independently over the two hops is studied using tight upper bounds. Thorough performance comparisons and switching thresholds optimization for the aforementioned strategies are presented. Simulation results are also provided to validate the mathematical development and to verify the numerical computations.
    Citation
    Gaaloul F, Radaydeh RM, Alouini M-S (2010) Switched diversity strategies for dual-hop relaying systems. 2010 Conference Record of the Forty Fourth Asilomar Conference on Signals, Systems and Computers. doi:10.1109/ACSSC.2010.5757704.
    Publisher
    Institute of Electrical and Electronics Engineers (IEEE)
    Journal
    2010 Conference Record of the Forty Fourth Asilomar Conference on Signals, Systems and Computers
    Conference/Event name
    44th Asilomar Conference on Signals, Systems and Computers, Asilomar 2010
    DOI
    10.1109/ACSSC.2010.5757704
    Additional Links
    http://ieeexplore.ieee.org/lpdocs/epic03/wrapper.htm?arnumber=5757704
    ae974a485f413a2113503eed53cd6c53
    10.1109/ACSSC.2010.5757704
    Scopus Count
    Collections
    Conference Papers; Physical Science and Engineering (PSE) Division; Electrical Engineering Program; Communication Theory Lab; Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division

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