4.7 Article

Evaluation platform for 5G vehicular communications

Journal

VEHICULAR COMMUNICATIONS
Volume 38, Issue -, Pages -

Publisher

ELSEVIER
DOI: 10.1016/j.vehcom.2022.100537

Keywords

Vehicular communications; 5G; Experimental evaluation; 5G-NR; KPI; Framework

Funding

  1. European Commission [EC 825496]
  2. MCIN/AEI [PID2020- 112675RBC41, RYC-2017-23823]
  3. ESF Investing in your future
  4. Spanish Ministry for the Ecological Transition and the Demographic Challenge [PGE-MOVES- SING-2019-000104]
  5. Spanish Ministry of Science, Innovation and Universities [RED2018-102585-T (Go2Edge)]

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This paper evaluates the performance of real 5G deployments in CCAM scenarios, with a focus on cross-border settings and service continuity under inter-operator handovers. Through implementing a use case for autonomous overtaking, the results show that the presence of 5G-NR and edge servers ensures good network performance and proper operation of the service, although handovers have a significant impact on network and overtaking.
Cellular vehicle to everything (C-V2X) communications is presented as the cornerstone for next-generation connected vehicles. C-V2X can support efficient vehicle to vehicle and vehicle to infrastructure data transmission, and is said to be a key enabler of cooperative connected and automated mobility (CCAM). Performance of 5G New Radio (5G-NR) is expected to address bandwidth and delay requirements of services for autonomous vehicles. This is the theory and what particular research works have showed through simulation or limited prototypes. On the contrary, this work focuses on evaluating real 5G deployments (including 5G-NR) of network operators in CCAM scenarios, with particular emphasis on cross-border settings and service continuity under inter-operator handovers. The paper presents an evaluation platform to gather cross-layer measurements, homogenise results, perform comparative assessment of figures of merit, and calculate network and CCAM key performance indicators (KPIs). The platform is evaluated through implementing a use case for autonomous overtaking, involving two 5G-NR operator deployments at the Spanish-Portuguese border. Results reveal good network performances and correct operation of the service, thanks to 5G-NR and edge servers, although significant impact of handovers is detected on network and overtaking KPIs.(c) 2022 The Author(s). Published by Elsevier Inc. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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