Survey and Perspectives of Vehicular Wi-Fi versus Sidelink Cellular-V2X in the 5G Era

Alessandro Bazzi, Giammarco Cecchini, Michele Menarini, Barbara M. Masini and Alberto Zanella
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Alessandro Bazzi: National Research Council of Italy (CNR), Institute of Electronics, Computer and Telecommunication Engineering (IEIIT), Viale Risorgimento, 2, 40136 Bologna, Italy
Giammarco Cecchini: National Research Council of Italy (CNR), Institute of Electronics, Computer and Telecommunication Engineering (IEIIT), Viale Risorgimento, 2, 40136 Bologna, Italy
Michele Menarini: National Research Council of Italy (CNR), Institute of Electronics, Computer and Telecommunication Engineering (IEIIT), Viale Risorgimento, 2, 40136 Bologna, Italy
Barbara M. Masini: National Research Council of Italy (CNR), Institute of Electronics, Computer and Telecommunication Engineering (IEIIT), Viale Risorgimento, 2, 40136 Bologna, Italy
Alberto Zanella: National Research Council of Italy (CNR), Institute of Electronics, Computer and Telecommunication Engineering (IEIIT), Viale Risorgimento, 2, 40136 Bologna, Italy

Future Internet, 2019, vol. 11, issue 6, 1-20

Abstract: The revolution of cooperative connected and automated vehicles is about to begin and a key milestone is the introduction of short range wireless communications between cars. Given the tremendous expected market growth, two different technologies have been standardized by international companies and consortia, namely IEEE 802.11p, out for nearly a decade, and short range cellular-vehicle-to-anything (C-V2X), of recent definition. In both cases, evolutions are under discussion. The former is only decentralized and based on a sensing before transmitting access, while the latter is based on orthogonal resources that can be also managed by an infrastructure. Although studies have been conducted to highlight advantages and drawbacks of both, doubts still remain. In this work, with a reference to the literature and the aid of large scale simulations in realistic urban and highway scenarios, we provide an insight in such a comparison, also trying to isolate the contribution of the physical and medium access control layers.

Keywords: vehicle-to-anything; connected and autonomous vehicles; vehicular networks; IEEE 802.11p; IEEE 802.11bd; DSRC; ITS-G5; LTE-V2X; cellular-V2X; sidelink; PC5; 5G; cooperative awareness (search for similar items in EconPapers)
JEL-codes: O3 (search for similar items in EconPapers)
Date: 2019
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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