mmWave Massive MIMO in Real Propagation Environment: Performance Evaluation Using LuMaMi28GHz

Sara Gunnarsson, MinKeun Chung, Andreas Johansson, Liang Liu, Fredrik Tufvesson, Ove Edfors, Olof Zander, Zhinong Ying, Kamal Samanta, Chris Clifton

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Abstrakt

This paper presents measurement and analysis results for millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO) performance in different real-life scenarios with moderate user equipment (UE) mobility. For the measurement campaign, the developed massive MIMO testbed operating at 28GHz called LuMaMi28GHz is employed. 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 users 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. We explore the potential benefit and features of mmWave massive MIMO systems with antenna selection based on both measured (and recorded) channel data and real-time system performance evaluation.

OriginalsprogEngelsk
Titel55th Asilomar Conference on Signals, Systems and Computers, ACSSC 2021
RedaktørerMichael B. Matthews
Antal sider5
Publikationsdato2022
Sider80-84
ISBN (Elektronisk)9781665458283
DOI
StatusUdgivet - 2022
Begivenhed55th Asilomar Conference on Signals, Systems and Computers, ACSSC 2021 - Virtual, Pacific Grove, USA
Varighed: 31 okt. 20213 nov. 2021

Konference

Konference55th Asilomar Conference on Signals, Systems and Computers, ACSSC 2021
Land/OmrådeUSA
ByVirtual, Pacific Grove
Periode31/10/202103/11/2021

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