Optimal beamforming in MIMO systems with HPA nonlinearityQi, J. and Aissa, S. (2010) Optimal beamforming in MIMO systems with HPA nonlinearity. In: 21st Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications. IEEE, pp. 911-915. ISBN 9781424480173 Full text not archived in this repository. It is advisable to refer to the publisher's version if you intend to cite from this work. See Guidance on citing. To link to this item DOI: 10.1109/PIMRC.2010.5672083 Abstract/SummaryIn this paper, multiple-input multiple-output (MIMO) transmit beamforming (TB) systems under the consideration of nonlinear high-power amplifiers (HPAs) are investigated. The optimal beamforming scheme, with the optimal beamforming weight vector and combining vector, is proposed for MIMO systems with HPA nonlinearity. The performance of the proposed MIMO beamforming scheme in the presence of HPA nonlinearity is evaluated in terms of average symbol error probability (SEP), outage probability and system capacity, considering transmission over uncorrelated quasi-static frequency-flat Rayleigh fading channels. Numerical results are provided and show the effects of several system parameters, namely, parameters of nonlinear HPA, numbers of transmit and receive antennas, and modulation order of phase-shift keying (PSK), on performance.
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