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    Achievable Rates of Secure Transmission in Gaussian MISO Channel with Imperfect Main Channel Estimation

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    Type
    Conference Paper
    Authors
    Zhou, Xinyu
    Rezki, Zouheir
    Alomair, Basel
    Alouini, Mohamed-Slim cc
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    Date
    2016-02-26
    Online Publication Date
    2016-02-26
    Print Publication Date
    2015-12
    Permanent link to this record
    http://hdl.handle.net/10754/630003
    
    Metadata
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    Abstract
    A Gaussian multiple-input single-output (MISO) fading channel is considered. We assume that the transmitter, in addition to the statistics of all channel gains, is aware instantaneously of a noisy version of the channel to the legitimate receiver. On the other hand, the legitimate receiver is aware instantaneously of its channel to the transmitter, whereas the eavesdropper instantaneously knows all channel gains. We evaluate an achievable rate using a Gaussian input without indexing an auxiliary random variable. A sufficient condition for beamforming to be optimal is provided. When the number of transmit antennas is large, beamforming also turns out to be optimal. In this case, the maximum achievable rate can be expressed in a simple closed form and scales with the logarithm of the number of transmit antennas. Furthermore, in the case when a noisy estimate of the eavesdropper's channel is also available at the transmitter, we introduce the SNR difference and the SNR ratio criterions and derive the related optimal transmission strategies and the corresponding achievable rates.
    Citation
    Zhou X, Rezki Z, Alomair B, Alouini M-S (2015) Achievable Rates of Secure Transmission in Gaussian MISO Channel with Imperfect Main Channel Estimation. 2015 IEEE Globecom Workshops (GC Wkshps). Available: http://dx.doi.org/10.1109/GLOCOMW.2015.7414080.
    Publisher
    Institute of Electrical and Electronics Engineers (IEEE)
    Journal
    2015 IEEE Globecom Workshops (GC Wkshps)
    Conference/Event name
    IEEE Globecom Workshops, GC Wkshps 2015
    DOI
    10.1109/GLOCOMW.2015.7414080
    Additional Links
    http://ieeexplore.ieee.org/gateway/ipsSearch.jsp?an%3D7414080
    ae974a485f413a2113503eed53cd6c53
    10.1109/GLOCOMW.2015.7414080
    Scopus Count
    Collections
    Conference Papers; Electrical and Computer Engineering Program; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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