Publication:
An acceleration approach for channel deterministic approaches based on quasi-stationary regions in V2X communications

Date

2024

Director

Publisher

Institute of Electrical and Electronics Engineers
Acceso abierto / Sarbide irekia
Artículo / Artikulua
Versión aceptada / Onetsi den bertsioa

Project identifier

Abstract

Vehicular environments are characterized by a high mobility, which alongside with the presence of abundant dynamic scatterers, lead to vehicular communication channels to be intrinsically non-stationary. In this sense, the quasi-stationary regions (QSRs) can assess the degree of non-stationarity within a determined scenario, and ultimately assist geometrical models to increase channel sampling intervals or to develop more efficient hybrid stochastic-geometric channel models. In this work, the channel QSRs in a vehicular communication (V2X) generic highdense urban environment at millimeter wave (mmWave) frequencies (28 GHz) have been analyzed using different approaches, such as the extended channel response into a Doppler-delay domain or the shadow fading spatial auto-correlation function (SF ACF) methodology. Then, the QSRs have been used as sampling distance in an in-house developed three-dimensional ray-launching (3D-RL) algorithm as an acceleration approach. The time variant channel features have been extracted and compared with the full resolution approach, obtaining consistent results when considering the QSR sampling distances, while decreasing by 83.30% the simulation computational time for the Doppler-delay approach, and 92.86% for the SF ACF method.

Description

Keywords

Non-stationary, 3D ray-launching, Quasistationary regions, Geometric channel models, Vehicular communications, mmWave, V2X

Department

Ingeniería Eléctrica, Electrónica y de Comunicación / Ingeniaritza Elektrikoa, Elektronikoa eta Telekomunikazio Ingeniaritza / Estadística, Informática y Matemáticas / Estatistika, Informatika eta Matematika / Institute of Smart Cities - ISC

Faculty/School

Degree

Doctorate program

item.page.cita

Rodríguez-Corbo, F. A. Celaya-Echarri, M., Shubair, R. M., Falcone F., Azpilicueta L. (2024. An acceleration approach for channel deterministic approaches based on quasi-stationary regions in V2X communications. IEEE Transactions on Vehicular Technology, 1-13. https://doi.org/10.1109/TVT.2024.3449768.

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