Modeling and Analysis of Vehicle Safety Message Broadcast in Cellular Networks
- Authors
- Choi, Chang-Sik; Baccelli, F.
- Issue Date
- Jul-2021
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Keywords
- Boolean model; Cox point process; effective data rate; Network modeling; Poisson line process; Signal-to-interference ratio; Stochastic Geometry; Vehicle-to-Everything (V2X); Vehicular broadcast; Vehicular safety messaging; Volume fraction
- Citation
- IEEE Transactions on Wireless Communications, v.20, no.7, pp 4087 - 4099
- Pages
- 13
- Journal Title
- IEEE Transactions on Wireless Communications
- Volume
- 20
- Number
- 7
- Start Page
- 4087
- End Page
- 4099
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/32977
- DOI
- 10.1109/TWC.2021.3055837
- ISSN
- 1536-1276
1558-2248
- Abstract
- This paper concerns the performance of vehicle-to-everything (V2X) communications. More precisely, we analyze the broadcast of safety-related V2X communications in cellular networks where base stations and vehicles are assumed to share the same spectrum and vehicles broadcast their safety messages to neighboring users. We model the locations of vehicles as a Poisson line Cox point process and the locations of users as a planar Poisson point process. We assume that users are associated with their closest base stations when there is no vehicle within a certain distance ρ. On the other hand, users located within a distance ρ from vehicles are associated with the vehicles to receive their safety messages. We quantify the properties of this vehicle-prioritized association using the stochastic geometry framework. We derive the fractions of users that receive safety messages from vehicles. Then, we obtain the expression for the signal-to-interference ratio of the typical user evaluated on each association type. To address the impact of vehicular broadcast on the cellular network, the paper also derives the effective rate offered to the typical user in this setting. IEEE
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