UTD-Based Ray Tracing MIMO Channel Modeling for the Next Generation Communications within Underground Tunnels

Limited work has previously been conducted into deterministic modeling of the 5 th Generation (5G) millimeter (mm)-wave wireless communications within geometrically non-uniform tunnels. This study predicts and analyzes broadband Multiple-Input Multiple-Output (MIMO) propagation in underground mine t...

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Bibliographic Details
Published in:IEEE transactions on antennas and propagation 2023-06, Vol.71 (6), p.1-1
Main Authors: Ghaddar, M., Garcia-Pardo, J.M., Ben Mabrouk, I., Lienard, M., Degauque, P.
Format: Article
Language:English
Subjects:
5G/6G
Antenna measurements
Broadband
Diffraction
Diffraction theory
Engineering Sciences
MIMO communication
Modelling
multiple-input-multiple-output
Optical surface waves
Physics
Ray tracing
Rough surfaces
Surface roughness
Surface waves
Tunnels
Underground communication
Underground mines
underground tunnels
UTD
Wireless communications
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Summary:Limited work has previously been conducted into deterministic modeling of the 5 th Generation (5G) millimeter (mm)-wave wireless communications within geometrically non-uniform tunnels. This study predicts and analyzes broadband Multiple-Input Multiple-Output (MIMO) propagation in underground mine tunnels for 5G communications and beyond. At extremely short wavelength, each rugged and uneven surface of the tunnel is modelled as a group of diffracting rectangular prism wedges. A deterministic Ray-Tracing (RT) MIMO model is developed based on the Uniform Theory of Diffraction (UTD). All predicted MIMO sub-channels have been successfully fitted with the experimental measurements. MIMO multipath fading of underground tunnels are found to be lognormally distributed and strongly depends on the tunnel's size and shape.
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2023.3262639