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    Comparisons of receive array interference reduction techniques under erroneous generalized transmit beamforming

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    Type
    Article
    Authors
    Radaydeh, Redha Mahmoud
    Alouini, Mohamed-Slim cc
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    Communication Theory Lab
    Date
    2014-02
    Permanent link to this record
    http://hdl.handle.net/10754/563385
    
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    Abstract
    This paper studies generalized single-stream transmit beamforming employing receive array co-channel interference reduction algorithms under slow and flat fading multiuser wireless systems. The impact of imperfect prediction of channel state information for the desired user spatially uncorrelated transmit channels on the effectiveness of transmit beamforming for different interference reduction techniques is investigated. The case of over-loaded receive array with closely-spaced elements is considered, wherein it can be configured to specified interfering sources. Both dominant interference reduction and adaptive interference reduction techniques for statistically ordered and unordered interferers powers, respectively, are thoroughly studied. The effect of outdated statistical ordering of the interferers powers on the efficiency of dominant interference reduction is studied and then compared against the adaptive interference reduction. For the system models described above, new analytical formulations for the statistics of combined signal-to-interference-plus-noise ratio are presented, from which results for conventional maximum ratio transmission and single-antenna best transmit selection can be directly deduced as limiting cases. These results are then utilized to obtain quantitative measures for various performance metrics. They are also used to compare the achieved performance of various configuration models under consideration. © 1972-2012 IEEE.
    Citation
    Radaydeh, R. M., & Alouini, M.-S. (2014). Comparisons of Receive Array Interference Reduction Techniques Under Erroneous Generalized Transmit Beamforming. IEEE Transactions on Communications, 62(2), 600–615. doi:10.1109/tcomm.2013.122813.130275
    Sponsors
    The work of R. M. Radaydeh was funded in part by an internal grant from Alfaisal University.The work of M.-S. Alouini was funded in part by a grant from King Abdulaziz City of Science and Technology (KACST).
    Publisher
    Institute of Electrical and Electronics Engineers (IEEE)
    Journal
    IEEE Transactions on Communications
    DOI
    10.1109/TCOMM.2013.122813.130275
    ae974a485f413a2113503eed53cd6c53
    10.1109/TCOMM.2013.122813.130275
    Scopus Count
    Collections
    Articles; Electrical and Computer Engineering Program; Communication Theory Lab; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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