Key issues and algorithms of multiple-input-multiple-output over-the-air testing in the multi-probe anechoic chamber setup

H Pei, X Chen, X Huang, X Liu, X Zhang… - Science China …, 2022 - Springer
Abstract Multiple-input-multiple-output (MIMO) over-the-air (OTA) testing plays a key role in
the research and development of wireless devices. MIMO OTA testing is necessary for the …

Dual-polarized highly folded bowtie antenna with slotted self-grounded structure for sub-6 GHz 5G applications

M Alibakhshikenari, BS Virdee, CH See… - … on Antennas and …, 2021 - ieeexplore.ieee.org
In this communication, a novel dual-polarized highly folded self-grounded Bowtie antenna
that is excited through I-shaped slots is proposed for applications in sub-6 GHz 5G multiple …

On radiated performance evaluation of massive MIMO devices in multiprobe anechoic chamber OTA setups

P Kyösti, L Hentilä, W Fan, J Lehtomäki… - … on Antennas and …, 2018 - ieeexplore.ieee.org
Radiated testing of massive multiple-input-multiple-output devices in fading radio-channel
conditions is expected to be essential in the development of the fifth-generation (5G) base …

Massive MIMO antenna system for 5G base stations with directive ports and switched beamsteering capabilities

MA Al‐Tarifi, MS Sharawi… - IET Microwaves, Antennas …, 2018 - Wiley Online Library
A 72‐port (288 antennas) triangular‐shaped massive multiple‐input–multiple‐output
(mMIMO) antenna system is presented for fifth generation (5G) base stations. Each side of …

Wideband sub-6 GHz self-grounded bow-tie antenna with new feeding mechanism for 5G communication systems

M Alibakhshikenari, SM Moghaddam… - 2019 13th European …, 2019 - ieeexplore.ieee.org
This paper presents a self-grounded directional Bow-Tie antenna with a novel feed structure
for sub-6 GHz applications in 5G communication systems covering 3.35-4.4 GHz. The …

On channel emulation methods in multiprobe anechoic chamber setups for over-the-air testing

Y Ji, W Fan, GF Pedersen, X Wu - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Multiple-input multiple-output (MIMO) over-the-air (OTA) testing gives a way to evaluate the
radio performance of MIMO-capable devices under realistic propagation channels as an …

Digital Twins of Electromagnetic Propagation Environments for Live 5G networks—Part II: High-Fidelity Emulation in the MPAC Setup

L Li, S Lin, Y Zhong, Z Wang… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
This paper tackles one of the key challenges for over-the-air (OTA) testing of multi-input multi-
output (MIMO) devices, ie accurately reproducing the electromagnetic (EM) propagation …

Dynamic mmWave channel emulation in a cost-effective MPAC with dominant-cluster concept

X Cai, Y Miao, J Li, F Tufvesson… - … on Antennas and …, 2021 - ieeexplore.ieee.org
Millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO) has been
considered as a key enabler for the fifth-generation (5G) communications. It is essential to …

Comparing channel emulation algorithms by using plane waves and spherical vector waves in multiprobe anechoic chamber setups

Y Miao, W Fan, J Takada, R He, X Yin… - … on Antennas and …, 2019 - ieeexplore.ieee.org
This paper evaluates the performances of channel emulation algorithms in the multiprobe
anechoic chamber (MPAC) by using plane wave (PW) and spherical vector wave (SVW) …

Experimental evaluation of user influence on test zone size in multi-probe anechoic chamber setups

W Fan, P Kyösti, Y Ji, L Hentilä, X Chen… - IEEE …, 2017 - ieeexplore.ieee.org
Over-the-air (OTA) radiated testing for multiple-input multiple-output (MIMO) capable mobile
terminals has been actively discussed in the standardization in recent years, where multi …