Low-Complexity Multi-User Parameterized Beamforming in Massive MIMO Systems

Low-Complexity Multi-User Parameterized Beamforming in Massive MIMO Systems

In this paper, we design a complexity-reduced transmission scheme in massive antenna environments. To reduce the implementation complexity for the generation of beam weight, we design a multi-user parameterized beamforming (MUPB) scheme that can control the beam direction using a single parameter wi...

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Bibliographic Details
Main Authors: Geon-Woong Jung, Yong-Hwan Lee
Format: Article
Language:English
Published: MDPI AG 2020-05-01
Series:Electronics
Subjects:
massive MIMO
MRT
ZF
complexity-reduced beamforming
Online Access:https://www.mdpi.com/2079-9292/9/6/882
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spelling doaj-d1ceedc6f752447e9d349f083364a55c2020-11-25T02:13:43ZengMDPI AGElectronics2079-92922020-05-01988288210.3390/electronics9060882Low-Complexity Multi-User Parameterized Beamforming in Massive MIMO SystemsGeon-Woong Jung0Yong-Hwan Lee1Department of Electrical and Computer Engineering, Institute of New Media and Communications, Seoul National University, Seoul 08826, KoreaDepartment of Electrical and Computer Engineering, Institute of New Media and Communications, Seoul National University, Seoul 08826, KoreaIn this paper, we design a complexity-reduced transmission scheme in massive antenna environments. To reduce the implementation complexity for the generation of beam weight, we design a multi-user parameterized beamforming (MUPB) scheme that can control the beam direction using a single parameter with combined use of maximum ratio transmission and partial zero-forcing scheme that partially nulls out interference. We design the MUPB to maximize the signal-to-leakage plus noise ratio (SLNR). To further reduce the implementation complexity, we optimize the MUPB based on approximated SLNR instead of accurate SLNR. Finally, the performance of the proposed MUPB is verified by computer simulation.https://www.mdpi.com/2079-9292/9/6/882massive MIMOMRTZFcomplexity-reduced beamforming
collection DOAJ
language English
format Article
sources DOAJ
author Geon-Woong Jung
Yong-Hwan Lee
spellingShingle Geon-Woong Jung
Yong-Hwan Lee
Low-Complexity Multi-User Parameterized Beamforming in Massive MIMO Systems
Electronics
massive MIMO
MRT
ZF
complexity-reduced beamforming
author_facet Geon-Woong Jung
Yong-Hwan Lee
author_sort Geon-Woong Jung
title Low-Complexity Multi-User Parameterized Beamforming in Massive MIMO Systems
title_short Low-Complexity Multi-User Parameterized Beamforming in Massive MIMO Systems
title_full Low-Complexity Multi-User Parameterized Beamforming in Massive MIMO Systems
title_fullStr Low-Complexity Multi-User Parameterized Beamforming in Massive MIMO Systems
title_full_unstemmed Low-Complexity Multi-User Parameterized Beamforming in Massive MIMO Systems
title_sort low-complexity multi-user parameterized beamforming in massive mimo systems
publisher MDPI AG
series Electronics
issn 2079-9292
publishDate 2020-05-01
description In this paper, we design a complexity-reduced transmission scheme in massive antenna environments. To reduce the implementation complexity for the generation of beam weight, we design a multi-user parameterized beamforming (MUPB) scheme that can control the beam direction using a single parameter with combined use of maximum ratio transmission and partial zero-forcing scheme that partially nulls out interference. We design the MUPB to maximize the signal-to-leakage plus noise ratio (SLNR). To further reduce the implementation complexity, we optimize the MUPB based on approximated SLNR instead of accurate SLNR. Finally, the performance of the proposed MUPB is verified by computer simulation.
topic massive MIMO
MRT
ZF
complexity-reduced beamforming
url https://www.mdpi.com/2079-9292/9/6/882
work_keys_str_mv AT geonwoongjung lowcomplexitymultiuserparameterizedbeamforminginmassivemimosystems
AT yonghwanlee lowcomplexitymultiuserparameterizedbeamforminginmassivemimosystems
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