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Measurement-based Geometrical Characterization of the Vehicle-to-Vulnerable-Road-User Communication Channel

Rashdan, Ibrahim and Ponte Müller, Fabian and Jost, Thomas and Sand, Stephan and Caire, Giuseppe (2020) Measurement-based Geometrical Characterization of the Vehicle-to-Vulnerable-Road-User Communication Channel. IET Microwaves, Antennas & Propagation. Institution of Engineering and Technology (IET). ISBN 1751-8733 ISSN 1751-8725

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Abstract

Vehicle-to-vulnerable road user (V2VRU) communications have the ability to provide 360 degrees of awareness to both vehicles and vulnerable road users (VRUs) to prevent accidents. An accurate V2VRU channel model in critical accident scenarios is essential to develop a reliable communications system. Therefore, extensive wideband single-input and single-output (SISO) channel measurement campaigns at 5.2 GHz were carried out in open-field and urban environments. Accident prone scenarios between a vehicle and a cyclist as well as between a vehicle and a pedestrian are considered. In this paper, locations of the scatterers in the propagation environment are estimated. We propose a method to extract specular MPCs from the estimated time variant channel impulse response (CIR) based on the density of neighboring MPCs. The specular MPCs are then tracked using a novel tracking algorithm based on the multipath component distance (MCD) approach. Each path is then related to a physical scatterer in the propagation environment by employing a joint delay-Doppler estimation. According to the results, single and double bounce reflections from buildings and parked vehicles are identified in line-of-sight (LoS) situation. In non-LoS (NLoS) situation, scattering from nearby trees as well as reflections from traffic signs and lampposts beneath the trees canopy are identified.

Item URL in elib:https://elib.dlr.de/134231/
Document Type:Article
Title:Measurement-based Geometrical Characterization of the Vehicle-to-Vulnerable-Road-User Communication Channel
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Rashdan, IbrahimIbrahim.Rashdan (at) dlr.deUNSPECIFIED
Ponte Müller, FabianFabian.PonteMueller (at) dlr.deUNSPECIFIED
Jost, ThomasThomas.Jost (at) dlr.deUNSPECIFIED
Sand, StephanStephan.Sand (at) dlr.dehttps://orcid.org/0000-0001-9502-5654
Caire, GiuseppeUNSPECIFIEDUNSPECIFIED
Date:2020
Journal or Publication Title:IET Microwaves, Antennas & Propagation
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Publisher:Institution of Engineering and Technology (IET)
ISSN:1751-8725
ISBN:1751-8733
Status:Published
Keywords:Pedestrian, cyclist , vehicle, channel model scatterers localization, DMC, MPC tracking
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Road Transport
DLR - Research area:Transport
DLR - Program:V ST Straßenverkehr
DLR - Research theme (Project):V - NGC KoFiF
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation > Communications Systems
Deposited By: Rashdan, Ibrahim
Deposited On:28 Feb 2020 10:35
Last Modified:28 Feb 2020 10:35

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