Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

INTEGRATION Large-scale Modeling Framework of Direct Cellular Vehicle-to-all (C-V2X) Applications

Version 1 : Received: 22 February 2021 / Approved: 23 February 2021 / Online: 23 February 2021 (19:38:56 CET)

How to cite: Farag, M.; Rakha, H.; Mazied, E.; Rao, J. INTEGRATION Large-scale Modeling Framework of Direct Cellular Vehicle-to-all (C-V2X) Applications. Preprints 2021, 2021020535 (doi: 10.20944/preprints202102.0535.v1). Farag, M.; Rakha, H.; Mazied, E.; Rao, J. INTEGRATION Large-scale Modeling Framework of Direct Cellular Vehicle-to-all (C-V2X) Applications. Preprints 2021, 2021020535 (doi: 10.20944/preprints202102.0535.v1).

Abstract

The transportation system has evolved into a complex cyber-physical system with the introduction of wireless communication and the emergence of connected travelers and connected automated vehicles. Such applications create an urgent need to develop high-fidelity transportation modeling tools that capture the mutual interaction of the communication and transportation systems. This paper addresses this need by developing a high-fidelity, large-scale dynamic and integrated traffic and direct cellullar vehicle-to-vehicle and vehicle-to-infrastructure (collectively known as V2X) modeling tool. The unique contributions of this work are (1) we developed a scalable analytical communication model that captures packet movement at the millisecond level; (2) we coupled the communication and traffic simulation models in real-time to develop a fully integrated dynamic connected vehicle modeling tool; and (3) we developed scalable approaches that adjust the frequency of model coupling depending on the number of concurrent vehicles in the network. The proposed scalable modeling framework is demonstrated by running on the Los Angeles downtown network considering the morning peak hour traffic demand (145,000 vehicles), running faster than real-time on a regular personal computer (1.5 hours to run 1.86 hours of simulation time). Spatiotemporal estimates of packet delivery ratios for downtown Los Angeles are presented. This novel modeling framework provides a breakthrough in the development of urgently needed tools for large-scale testing of Direct C-V2X enabled applications.

Subject Areas

Connected vehicles; C-V2X; V2V; INTEGRATION software; traffic simulation; communication modeling

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