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        Transmit Power Minimization for MIMO Systems of Exponential Average BER with Fixed Outage Probability

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        MIMO_AAM.pdf (PDF, 211Kb)
        Author
        Yue, Dian Wu
        Sun, Yichuang
        Attention
        2299/21160
        Abstract
        This paper is concerned with a wireless multiple-antenna system operating in multiple-input multiple-output (MIMO) fading channels with channel state information being known at both transmitter and receiver. By spatiotemporal subchannel selection and power control, it aims to minimize the average transmit power (ATP) of the MIMO system while achieving an exponential type of average bit error rate (BER) for each data stream. Under the constraints on each subchannel that individual outage probability and average BER are given, based on a traditional upper bound and a dynamic upper bound of Q function, two closed-form ATP expressions are derived, respectively, which can result in two different power allocation schemes. Numerical results are provided to validate the theoretical analysis, and show that the power allocation scheme with the dynamic upper bound can achieve more power savings than the one with the traditional upper bound.
        Publication date
        2016-10-01
        Published in
        Wireless Personal Communications
        Published version
        https://doi.org/10.1007/s11277-016-3432-4
        Other links
        http://hdl.handle.net/2299/21160
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