Propagation Modeling for Physically Large Arrays: Measurements and Multipath Component Visibility

This paper deals with propagation and channel modeling for physically large arrays. The focus lies on acquiring a spatially consistent model, which is essential, especially for positioning and sensing applications. Ultra-wideband, synthetic array measurement data have been acquired with large positi...

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Main Authors: Wilding, Thomas, Deutschmann, Benjamin J. B., Nelson, Christian, Li, Xuhong, Tufvesson, Fredrik, Witrisal, Klaus
Format: Conference Proceeding
Language:English
Subjects:
6G mobile communication
Arrays
Channel estimation
Geometric modeling
Position measurement
Propagation modeling
radio measurements
radio positioning
Sensors
Superresolution
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Deutschmann, Benjamin J. B.
Nelson, Christian
Li, Xuhong
Tufvesson, Fredrik
Witrisal, Klaus
description This paper deals with propagation and channel modeling for physically large arrays. The focus lies on acquiring a spatially consistent model, which is essential, especially for positioning and sensing applications. Ultra-wideband, synthetic array measurement data have been acquired with large positioning devices to support this research. We present a modified multipath channel model that accounts for a varying visibility of multipath components along a large array. Based on a geometric model of the measurement environment, we analyze the visibility of specular components. We show that, depending on the size of the reflecting surface, geometric visibility and amplitude estimates obtained with a super-resolution channel estimation algorithm show a strong correspondence. Furthermore, we highlight the capabilities of the developed synthetic array measurement system.
doi_str_mv 10.1109/EuCNC/6GSummit58263.2023.10188223
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subjects 6G mobile communication
Arrays
Channel estimation
Geometric modeling
Position measurement
Propagation modeling
radio measurements
radio positioning
Sensors
Superresolution
title Propagation Modeling for Physically Large Arrays: Measurements and Multipath Component Visibility
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