Source precoder design for non-regenerative MIMO relay networks with antenna selection

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    Abstract

    In this paper, we present a source precoder design and relay antenna selection by exploiting the sparsity of the relay gain vector. We consider the Amplify-and-Forward (AF) protocol in a single relay scenario equipped with multiple spatially correlated antennas. We investigate the performance of the proposed model in practical scenarios, where the antennas are spatially correlated and the Channel State Information (CSI) is imperfect at all terminals. For the precoder design, we present a technique which diagonalizes the Mean Squared Error (MSE) matrix using singular value decomposition (SVD) and the generalized SVD (GSVD). The proposed solution for the precoder aims at minimizing the MSE and reducing the design complexity. As for the relay antenna selection scheme, we employ a technique based on the Orthogonal Matching Pursuit (OMP) algorithm to generate the antenna selection matrix. Extensive Monte Carlo simulation results demonstrate that the performance gain of the proposed schemes over the existing ones is significant.

    Original languageBritish English
    Title of host publication2016 23rd International Conference on Telecommunications, ICT 2016
    PublisherInstitute of Electrical and Electronics Engineers Inc.
    ISBN (Electronic)9781509019908
    DOIs
    StatePublished - 27 Jun 2016
    Event23rd International Conference on Telecommunications, ICT 2016 - Thessaloniki, Greece
    Duration: 16 May 201618 May 2016

    Publication series

    Name2016 23rd International Conference on Telecommunications, ICT 2016

    Conference

    Conference23rd International Conference on Telecommunications, ICT 2016
    Country/TerritoryGreece
    CityThessaloniki
    Period16/05/1618/05/16

    Keywords

    • Amplify-and-Forward
    • antenna selection
    • channel estimation
    • Cooperative transmission
    • Minimum Mean Squared Error

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