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    Two-Way Amplify-and-Forward MIMO Relay Communications Using Linear MMSE Receiver

    Access Status
    Fulltext not available
    Authors
    Rong, Yue
    Date
    2011
    Type
    Conference Paper
    
    Metadata
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    Citation
    Rong, Yue. 2011. Two-Way Amplify-and-Forward MIMO Relay Communications Using Linear MMSE Receiver, in Australian Communications Theory Workshop (AusCTW), Jan 31 - Feb 03 2011. Melbourne: IEEE.
    Source Title
    Proceedings of The 2011 Australian Communications Theory Workshop
    Source Conference
    The 2011 Australian Communications Theory Workshop
    DOI
    10.1109/AUSCTW.2011.5728737
    ISBN
    978-1-4244-9715-7
    School
    Department of Electrical and Computer Engineering
    URI
    http://hdl.handle.net/20.500.11937/10604
    Collection
    • Curtin Research Publications
    Abstract

    In this paper, we derive the optimal structure of the source precoding matrices and the relay amplifying matrix for a two-way amplify-and-forward multiple-input multiple-output (MIMO) relay communication system where linear minimal mean-squared error (MMSE) receivers are used at both destinations. We show that for a broad class of frequently used objective functions for MIMO communications, the optimal relay and source matrices have a general beamforming structure. Based on this optimal structure, a new iterative algorithm is developed to optimize the relay and source matrices. The performance of the proposed algorithm is demonstrated by numerical simulations.

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