Optimal Least Squares Estimator and Precoder for Energy Beamforming Over IQ-Impaired Channels

Usage of low-cost hardware in large antenna arrays and low-power wireless devices in Internet of Things (IoT) has led to the degradation of practical beamforming gains due to the underlying hardware impairments, such as in-phase and quadrature-phase imbalance (IQI). To address this timely concern, w...

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Veröffentlicht in:	IEEE signal processing letters Jg. 26; H. 8; S. 1207 - 1211
Hauptverfasser:	Mishra, Deepak, Johansson, Hakan
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	New York IEEE 01.08.2019 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Schlagworte:	Antenna array Antenna arrays Antennas Array signal processing Beamforming Benchmark testing Channel estimation Channels Design Economic models Gain Hardware Internet of Things IQ imbalance Least squares MISO communication Optimization IQ imbalance Antenna array channel estimation
ISSN:	1070-9908, 1558-2361, 1558-2361
Online-Zugang:	Volltext
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