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LuMaMi28 : Real-Time Millimeter-Wave Multi-User MIMO Systems with Antenna Selection

Chung, Min Keun LU ; Liu, Liang LU ; Johansson, Andreas LU ; Willhammar, Sara LU ; Nilsson, Martin LU ; Ying, Zhinong ; Zander, Olof ; Samanta, Kamal ; Clifton, Chris and Koimori, Toshiyuki , et al. (2023) In IEEE Transactions on Wireless Communications 22(11). p.7944-7960
Abstract

This paper presents LuMaMi28, a real-time 28GHz multi-user (MU) multiple-input multiple-output (MIMO) testbed. In this testbed, the base station has 16 transceiver chains with a fully-digital beamforming architecture (with different pre-coding algorithms) and simultaneously supports multiple user equipments (UEs) with spatial multiplexing. The UEs are equipped with a beam-switchable antenna array for real-time antenna selection where the one with the highest channel magnitude, out of four pre-defined beams, is selected. For the beam-switchable antenna array, we consider two kinds of UE antennas, with different beam-width and different peak-gain. Based on this testbed, we provide measurement results for millimeter-wave (mmWave) MU-MIMO... (More)

This paper presents LuMaMi28, a real-time 28GHz multi-user (MU) multiple-input multiple-output (MIMO) testbed. In this testbed, the base station has 16 transceiver chains with a fully-digital beamforming architecture (with different pre-coding algorithms) and simultaneously supports multiple user equipments (UEs) with spatial multiplexing. The UEs are equipped with a beam-switchable antenna array for real-time antenna selection where the one with the highest channel magnitude, out of four pre-defined beams, is selected. For the beam-switchable antenna array, we consider two kinds of UE antennas, with different beam-width and different peak-gain. Based on this testbed, we provide measurement results for millimeter-wave (mmWave) MU-MIMO performance in different real-life scenarios with static and mobile UEs. We explore the potential benefit of the mmWave MU-MIMO systems with antenna selection based on measured channel data, and discuss the performance results through real-time measurements.

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organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Antenna arrays, Antenna measurements, Antenna selection, Antennas, Array signal processing, beamforming, Millimeter wave communication, millimeter-wave (mmWave), multi-user multiple-input multiple-out (MU-MIMO), OFDM, Real-time systems, real-time testbed
in
IEEE Transactions on Wireless Communications
volume
22
issue
11
pages
7944 - 7960
publisher
IEEE - Institute of Electrical and Electronics Engineers Inc.
external identifiers
  • scopus:85151539469
ISSN
1536-1276
DOI
10.1109/TWC.2023.3257195
language
English
LU publication?
yes
additional info
Publisher Copyright: IEEE
id
67d903ad-581e-4238-a152-b2e177f63bc1
date added to LUP
2023-05-23 13:15:31
date last changed
2024-01-09 15:47:22
@article{67d903ad-581e-4238-a152-b2e177f63bc1,
  abstract     = {{<p>This paper presents LuMaMi28, a real-time 28GHz multi-user (MU) multiple-input multiple-output (MIMO) testbed. In this testbed, the base station has 16 transceiver chains with a fully-digital beamforming architecture (with different pre-coding algorithms) and simultaneously supports multiple user equipments (UEs) with spatial multiplexing. The UEs are equipped with a beam-switchable antenna array for real-time antenna selection where the one with the highest channel magnitude, out of four pre-defined beams, is selected. For the beam-switchable antenna array, we consider two kinds of UE antennas, with different beam-width and different peak-gain. Based on this testbed, we provide measurement results for millimeter-wave (mmWave) MU-MIMO performance in different real-life scenarios with static and mobile UEs. We explore the potential benefit of the mmWave MU-MIMO systems with antenna selection based on measured channel data, and discuss the performance results through real-time measurements.</p>}},
  author       = {{Chung, Min Keun and Liu, Liang and Johansson, Andreas and Willhammar, Sara and Nilsson, Martin and Ying, Zhinong and Zander, Olof and Samanta, Kamal and Clifton, Chris and Koimori, Toshiyuki and Morita, Shinya and Taniguchi, Satoshi and Tufvesson, Fredrik and Edfors, Ove}},
  issn         = {{1536-1276}},
  keywords     = {{Antenna arrays; Antenna measurements; Antenna selection; Antennas; Array signal processing; beamforming; Millimeter wave communication; millimeter-wave (mmWave); multi-user multiple-input multiple-out (MU-MIMO); OFDM; Real-time systems; real-time testbed}},
  language     = {{eng}},
  number       = {{11}},
  pages        = {{7944--7960}},
  publisher    = {{IEEE - Institute of Electrical and Electronics Engineers Inc.}},
  series       = {{IEEE Transactions on Wireless Communications}},
  title        = {{LuMaMi28 : Real-Time Millimeter-Wave Multi-User MIMO Systems with Antenna Selection}},
  url          = {{http://dx.doi.org/10.1109/TWC.2023.3257195}},
  doi          = {{10.1109/TWC.2023.3257195}},
  volume       = {{22}},
  year         = {{2023}},
}