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Toward 6G Vehicle-to-Everything Sidelink: Nonorthogonal Multiple Access in the Autonomous Mode
Open accessAbstract
The cellular vehicle-to-everything (C-V2X) sidelink technology, specified in the long-term evolution (LTE) and further improved in the 5G new radio (NR) standards to facilitate direct data exchange between vehicles, will play a crucial role in revolutionizing transportation systems. However, the demand for very high reliability and ultralow latency services especially challenges the sidelink resource allocation mechanism when performed by distributed vehicles, in the so- calledautonomousmode. One of the major causes of performance degradation is the resource allocation mechanism, which was designed for orthogonal multiple access (OMA) and can generate interference and collisions under high load conditions. In this context, here we argue in favor of the use of non-OMA (NOMA) as a game changer for the sidelink in the upcoming 6G V2X, and the purpose of this article is to provide a reference for further intriguing studies in the field. Additionally, the gain achievable over conventional allocation schemes by enabling NOMA through the use of successive interference cancelation (SIC) at the receiver is measured through realistic simulations conducted when considering the latest C-V2X specifications.
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Several emerging techniques have been proposed to enhance the performance of V2X communication systems in the context of sidelink vehicular communication.
“In addition to the traditional resource allocation techniques, several emerging techniques have been proposed to enhance the performance of V2X communication systems in the context of sidelink vehicular communication.”
From Towards 6G V2X Sidelink: Survey of Resource Allocation—Mathematical Formulations, Challenges, and Proposed Solutions (2024) · cites this paper as [97]
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Research works printed but not linked: 15
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Cited by
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Annu, & Rajalakshmi, P. (2024) · IEEE Open Journal of Vehicular Technology · doi:10.1109/ojvt.2024.3368240 · Cited by 73
Metadata
- Authors
- Bazzi, A., Campolo, C., Todisco, V., Bartoletti, S., Decarli, N., Molinaro, A., Berthet, A. O., & Stirling-Gallacher, R. A.
- Affiliations
- University of Bologna (IT)
- University of Reggio Calabria (IT)
- Consorzio Nazionale Interuniversitario per le Telecomunicazioni (IT)
- University of Rome Tor Vergata (IT)
- National Research Council (IT)
- Centre National de la Recherche Scientifique (FR)
- Huawei Technologies (Germany) (DE)
- ORCID
- Venue
- IEEE Vehicular Technology Magazine
- Published
- 2023-06
- Volume
- 18
- Issue
- 2
- Pages
- 50-59
- ISSN
- 1556-6072 (ISSN-L)
- 1556-6080
- OpenAlex
- W4360595713
- Cited by
- 24
- References
- 0
- Citations by year
- 2026: 2 · 2025: 3 · 2024: 13 · 2023: 6
- FWCI
- 1.79
- Type
- journal article
- Language
- en
- Open access
- green
- hdl.handle.net
- Licence
- Locations
- IEEE Vehicular Technology Magazine (publishedVersion)
- Archivio istituzionale della ricerca (Alma Mater Studiorum Università di Bologna) (submittedVersion, other-oa)
- HAL (submittedVersion)
- Cineca Institutional Research Information System (Tor Vergata University) (submittedVersion)
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Vehicular Ad Hoc Networks (VANETs)
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced Wireless Communication Technologies
- Physical Sciences › Engineering › Control and Systems Engineering › Traffic control and management
- Keywords
- vehicle-to-everything communication, sidelink, non-orthogonal multiple access, 6G, autonomous driving, successive interference cancellation, collision avoidance, interference, C-V2X, 5G NR, ultra-reliable low-latency communication
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