3-D Antenna Array Structures for Millimeter Wave Multi-User Massive MIMO Hybrid Precoder Design: A Performance Comparison

In this letter, we investigate the performance of various three-dimensional (3D) array structures in the design of hybrid precoder (HP) for millimeter wave (mmWave) multi-user massive multiple-input multiple-output (MU-mMIMO) systems. The proposed HP scheme involves two stages: (i) RF beamforming ba...

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Vydáno v:IEEE communications letters Ročník 26; číslo 6; s. 1393 - 1397
Hlavní autoři: Mahmood, Mobeen, Koc, Asil, Le-Ngoc, Tho
Médium: Journal Article
Jazyk:angličtina
Vydáno: New York IEEE 01.06.2022
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Antenna arrays
Baseband
Beamforming
cylindrical array (CA)
hemi-spherical array (HSA)
Interference
Massive multiple-input multiple-output (mMIMO)
millimeter wave (mmWave)
Millimeter waves
Precoding
Radio frequency
Singular value decomposition
spherical array (SA)
Three-dimensional displays
Transmitting antennas
ISSN:1089-7798, 1558-2558
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Shrnutí:In this letter, we investigate the performance of various three-dimensional (3D) array structures in the design of hybrid precoder (HP) for millimeter wave (mmWave) multi-user massive multiple-input multiple-output (MU-mMIMO) systems. The proposed HP scheme involves two stages: (i) RF beamforming based on singular value decomposition (SVD) of channel matrix, and baseband MU precoding based on the instantaneous effective baseband channel to mitigate MU-interference by a regularized zero-forcing (RZF) technique. Illustrative results show that, in comparison to two-dimensional (2D) arrays, 3D array structures can provide high spectral and energy efficiencies as well as non-varying achievable rate independent from the user angular location.
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ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2022.3163668