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    Noncoherent capacity of secret-key agreement with public discussion

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    Type
    Article
    Authors
    Agrawal, Anurag
    Rezki, Zouheir cc
    Khisti, Ashish J.
    Alouini, Mohamed-Slim cc
    KAUST Department
    Communication Theory Lab
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    Physical Science and Engineering (PSE) Division
    Date
    2011-09
    Permanent link to this record
    http://hdl.handle.net/10754/561854
    
    Metadata
    Show full item record
    Abstract
    We study the noncoherent capacity of secret-key agreement with public discussion over independent identically distributed (i.i.d.) Rayleigh fading wireless channels, where neither the sender nor the receivers have access to instantaneous channel state information (CSI). We present two results. At high signal-to-noise ratio (SNR), the secret-key capacity is bounded in SNR, regardless of the number of antennas at each terminal. Second, for a system with a single antenna at both the legitimate and the eavesdropper terminals and an arbitrary number of transmit antennas, the secret-key capacity-achieving input distribution is discrete, with a finite number of mass points. Numerically we observe that at low SNR, the capacity achieving distribution has two mass points with one of them at the origin. © 2011 IEEE.
    Citation
    Agrawal, A., Rezki, Z., Khisti, A. J., & Alouini, M.-S. (2011). Noncoherent Capacity of Secret-Key Agreement With Public Discussion. IEEE Transactions on Information Forensics and Security, 6(3), 565–574. doi:10.1109/tifs.2011.2158999
    Publisher
    Institute of Electrical and Electronics Engineers (IEEE)
    Journal
    IEEE Transactions on Information Forensics and Security
    DOI
    10.1109/TIFS.2011.2158999
    ae974a485f413a2113503eed53cd6c53
    10.1109/TIFS.2011.2158999
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Electrical and Computer Engineering Program; Communication Theory Lab; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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