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    MMSE-based Transceiver Design Algorithms for Interference MIMO Relay Systems

    228153_161778_InterfRelaySimplify.pdf (284.0Kb)
    Access Status
    Open access
    Authors
    Nguyen, Khoa Xuan
    Rong, Yue
    Nordholm, Sven
    Date
    2015
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Nguyen, K. and Rong, Y. and Nordholm, S. 2015. MMSE-based Transceiver Design Algorithms for Interference MIMO Relay Systems. IEEE Transactions on Wireless Communications. [In Press].
    Source Title
    IEEE Transactions on Wireless Communications
    DOI
    10.1109/TWC.2015.2453414
    ISSN
    15361276
    School
    Department of Electrical and Computer Engineering
    Funding and Sponsorship
    http://purl.org/au-research/grants/arc/DP140102131
    http://purl.org/au-research/grants/arc/DP110100736
    Remarks

    Copyright © 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

    URI
    http://hdl.handle.net/20.500.11937/23490
    Collection
    • Curtin Research Publications
    Abstract

    In this paper, we investigate the transceiver design for amplify-and-forward interference multiple-input multipleoutput (MIMO) relay communication systems, where multiple transmitter-receiver pairs communicate simultaneously with the aid of a relay node. The aim is to minimize the mean-squared error (MSE) of the signal waveform estimation at the receivers subjecting to transmission power constraints at the transmitters and the relay node. As the transceiver optimization problem is nonconvex with matrix variables, the globally optimal solution is intractable to obtain. To overcome the challenge, we propose an iterative transceiver design algorithm where the transmitter, relay, and receiver matrices are optimized iteratively by exploiting the optimal structure of the relay precoding matrix. To reduce the computational complexity of optimizing the relay precoding matrix, we propose a simplified relay matrix design through modifying the transmission power constraint at the relay node. The modified relay optimization problem has a closedform solution. Simulation results demonstrate that the proposed algorithms perform better than the existing techniques in terms of both MSE and bit-error-rate.

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