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    Improper Signaling for Virtual Full-Duplex Relay Systems

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    1702.04203v1.pdf
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    Description:
    Preprint
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    Type
    Preprint
    Authors
    Gaafar, Mohamed cc
    Amin, Osama cc
    Schaefer, Rafael F.
    Alouini, Mohamed-Slim cc
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    Date
    2017-02-14
    Permanent link to this record
    http://hdl.handle.net/10754/626503
    
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    Abstract
    Virtual full-duplex (VFD) is a powerful solution to compensate the rate loss of half-duplex relaying without the need to full-duplex capable nodes. Inter-relay interference (IRI) challenges the operation of VFD relaying systems. Recently, improper signaling is employed at both relays of the VFD to mitigate the IRI by imposing the same signal characteristics for both relays. To further boost the achievable rate performance, asymmetric time sharing VFD relaying system is adopted with different improper signals at the half-duplex relays. The joint tuning of the three design parameters improves the achievable rate performance at different ranges of IRI and different relays locations. Extensive simulation results are presented and analyzed to show the achievable rate gain of the proposed system and understand the system behavior.
    Publisher
    arXiv
    arXiv
    1702.04203
    Additional Links
    http://arxiv.org/abs/1702.04203v1
    http://arxiv.org/pdf/1702.04203v1
    Collections
    Preprints; Electrical and Computer Engineering Program; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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