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Measurement based Tapped Delay Line Model for Train-to-Train Communications

Mozo, Erislandy and Unterhuber, Paul and Alonso Gomez, Arrate and Sand, Stephan and Menicute, Mikel (2022) Measurement based Tapped Delay Line Model for Train-to-Train Communications. IEEE Transactions on Vehicular Technology. IEEE - Institute of Electrical and Electronics Engineers. doi: 10.1109/TVT.2022.3229142. ISSN 0018-9545.

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Train-to-train (T2T) communication is proposed as an auxiliary safety-guaranteed measure for railway communications. Vehicular communication standards have been supporting railway use cases and T2T communications. It is essential to consider the propagation characteristics of railway environments with dedicated T2T channel models for simulation and testing of vehicular communication standards. In this paper, we propose six tapped delay line (TDL) channel models for T2T communications in Hilly Terrain and Railway Station. The measurement based proposed channel models consider different T2T distances and relative speeds of up to 50 km/h with trains moving in an approaching maneuver. Also, a study about the Doppler-delay behavior in the considered scenarios is presented using the scattering function. The proposed TDL channel models as well as the measured propagation characteristics are used in a 802.11bd simulation framework. Both simulation results, which are based on the TDL channel models or on the measurements, are compared to each other. The results show a very good match between the TDL channel models and the measurement data and indicate a good accuracy of the theoretical derivations and the simulation method.

Item URL in elib:https://elib.dlr.de/191725/
Document Type:Article
Title:Measurement based Tapped Delay Line Model for Train-to-Train Communications
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Unterhuber, PaulUNSPECIFIEDhttps://orcid.org/0000-0002-0564-9066UNSPECIFIED
Sand, StephanUNSPECIFIEDhttps://orcid.org/0000-0001-9502-5654UNSPECIFIED
Menicute, MikelUNSPECIFIEDhttps://orcid.org/0000-0002-2728-8978UNSPECIFIED
Date:December 2022
Journal or Publication Title:IEEE Transactions on Vehicular Technology
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
Publisher:IEEE - Institute of Electrical and Electronics Engineers
Keywords:channel model, tapped delay line, railway, Doppler spread, 802.11bd, train-to-train communication, Doppler-delay spectrum
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Rail Transport
DLR - Research area:Transport
DLR - Program:V SC Schienenverkehr
DLR - Research theme (Project):V - NGT BIT (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation > Communications Systems
Deposited By: Unterhuber, Dr. Paul
Deposited On:08 Dec 2022 19:09
Last Modified:17 Mar 2023 15:20

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