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Towards the Assessment of Realistic Hybrid Precoding in Millimeter Wave MIMO Systems with Hardware Impairments
Authors
Symeon Chatzinotas
Oluwatayo Kolawole
+6 more
Pandelis Kourtessis
George Papageorgiou
Anastasios Papazafeiropoulos
Tharmalingam Ratnarajah
Mathini Sellathurai
John Senior
Publication date
1 April 2021
Publisher
'Institution of Engineering and Technology (IET)'
Doi
Cite
Abstract
Funding Information: This work was supported by the University of Hertfordshire's 5‐year Vice Chancellor's Research Fellowship and by the National Research Fund, Luxembourg, under the projects ECLECTIC and 5G‐SKY. Publisher Copyright: © 2021 The Authors. IET Communications published by John Wiley & Sons Ltd on behalf of The Institution of Engineering and TechnologyHybrid processing in millimeter wave (mmWave) communication has been proposed as a solution to reduce the cost and energy consumption by reducing the number of radio-frequency (RF) chains. However, the impact of the inevitable residual transceiver hardware impairments (RTHIs), including the residual additive transceiver hardware impairments (RATHIs) and the amplified thermal noise (ATN), has not been sufficiently studied in mmWave hybrid processing. In this work, the hybrid precoder and combiner are designed, which include both digital and analog processing by taking into account the RATHIs and the ATN. In particular, a thorough study is provided to shed light on the degradation of the spectral efficiency (SE) of the practical system. The outcomes show the steady degradation of the performance by the ATN across all SNR values, which becomes increasingly critical for higher values of its variance. Furthermore, it is shown that RATHIs result in degradation of the system only in the high SNR regime. Hence, their impact in mmWave system operating at low SNRs might be negligible. Moreover, an increase concerning the number of streams differentiates the impact between the transmit and receive RATHIs with the latter having a more severe effect.Peer reviewe
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University of Hertfordshire Research Archive
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University of Hertfordshire Research Archive
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