Abstract
Vulnerable Road Users (VRUs) include pedestrians, bicyclists, and motorized two-wheelers operators. According to the World Health Organization’s (WHO) 2023 Global Status Report on Road Safety, pedestrians account for 23% of fatalities, or at least 31 deaths every hour. In developed countries, the number of road accidents is significantly declining, but a significant percentage of accidents involving VRUs still remains high. Vehicle-to-everything (V2X) communication is one such safety feature that fosters communication amongst numerous elements on the road for cooperative safety and, consequently, pedestrians. Communication between vehicles and pedestrians (V2P), infrastructure and vehicles (V2I), and vehicles themselves (V2V) is a part of vehicle-to-everything (V2X). Pedestrians carrying mobile devices and wearable technology can depend upon V2X communications to improve their safety and situational awareness. To transmit and receive signals efficiently, this paper compares and evaluates the performance of Linearly Polarized Antenna array (LPA) with and without Maximum Ratio Transmission (MRT) technique in the context of V2P communications. The focus is on the pedestrian’s point of view at crosswalks in outdoor V2X scenarios. In conclusion, LPA with MRT technique surpasses in signal reception at pedestrians near crosswalks in a V2X outdoor environment.
References
Spotlight on Highway Safety; Pedestrian Traffic fatalities by State; Technical Report; Governors Highway Safety Association (GHSA) Annual Meeting 2023; Connecting Communities: Putting Vision Zero into Action, New York, NY.
“Connected vehicle safety pilot program,” https://www.its.dot.gov/factsheets/pdf/SafetyPilot final.pdf.
Xinzhou Wu, Radovan Miucic, Sichao Yang, “Cars Talk to Phones: A DSRC Based Vehicle-Pedestrian Safety System,” 2014 IEEE 80th Vehicular Technology Conference (VTC2014-Fall), Vancouver, BC, Canada, 2014, pp. 1–7.
X. Wu, S. Subramanian, R. Guha, R. White, J. Li, K. Lu, A. Bucceri, and T. Zhang, “Vehicular communications using dsrc: challenges, enhancements, and evolution,” 2013.
R. Miucic and S. Bai, “Vehicle-to-pedestrian cooperative safety application,” accepted for publication at ITS WC 2014.
Sara El Hamdani, Nabil Benamar, Mohamed Younis, “Pedestrian Support in Intelligent Transportation Systems: Challenges, Solutions and Open issues,” in Proceedings of the Transportation Research Part C: Emerging Technologies, Volume 121, December 2020, 102856.
P. Li, K. Wu, Y. Cheng, S. T. Parker and D. A. Noyce, “How Does C- V2X Perform in Urban Environments? Results From Real-World Experiments on Urban Arterials,” in IEEE Transactions on Intelligent Vehicles, vol. 9, no. 1, pp. 2520–2530, Jan. 2024.
M. Bonato, et al., “Assessment of sar in road-users from 5g-v2x vehicular connectivity based on computational simulations,” Sensors, vol. 22, no. 17, p. 6564, Aug. 2022.
T. S. Rappaport, et al., “Millimeter wave mobile communications for 5G cellular: It will work!” IEEE access, vol. 1, pp. 335–349, May. 2013.
C. Kykkotis, P. S. Hall, R. A. Lewis, and A. D. Searle, “Millimetre wave antennas for future vehicle communications,” in IEEE 49th Veh. Technol. Conf., vol. 2, pp. 1585–1588, IEEE, May. 1999.
D. Rongas, A. Paraskevopoulos, L. Marantis, and A. G. Kanatas, “An integrated shark-fin reconfigurable antenna for V2X communications,” Prog. Electromagn. Res., vol. 100, pp. 1–16, Feb. 2020.
M. U. Khan, M. S. Sharawi, and R. Mittra, “Microstrip patch antenna miniaturisation techniques: a review,” IET Microw. Antennas Propag., vol. 9, no. 9, pp. 913–922, Jun. 2015.
ANSYS, Inc. (2018). “ANSYS HFSS SBR+ [White paper].” https://www.ansys.com/content/dam/resource-center/application-brief/ansys-sbr-plus.pdf.
A. P. Sligar, ‘Machine learning-based radar perception for autonomous vehicles using full physics simulation,’ IEEE Access, vol. 8, pp. 51470–51476, 2020.
ANSYS, Inc. Installed Performance Modeling & Simulation for Antennas “A good antenna, righteously placed…” Advanced Modeling & Simulation (AMS) Seminar Series NASA Ames Research Center, February 18, 2020. https://www.nas.nasa.gov/assets/nas/pdf/ams/2020/AMS_20200218_Carpenter.pdf.
ANSYS, Inc. “How to Design Base Station (or Microcell) Antenna Arrays for 5G Wireless Networks [White paper].” https://www.ansys.com/content/dam/resource-center/application-brief/wp-how-to-design-base-station-or-microcell-antenna-arrays-for-5g-wireless-networks-v2.pdf.
J. Winters, “Optimum combining in digital mobile radio with cochannel interference,” IEEE Trans. Veh. Technol., vol. 2, no. 4, pp. 528–539, Aug. 1984.
T. K. Y. Lo, “Maximum ratio transmission,” IEEE Trans. Commun., vol. 47, no. 10, pp. 1458–1461, Oct. 1999.
Zhang, Y., Gao, J. and Liu, Y. MRT precoding in downlink multi-user MIMO systems. J Wireless Com Network 2016, 241 (2016).
Zakia, “Maximizing the Sum Rate of Massive MIMO with Rectangular Planar Array and MRT Beamforming,” 2019 IEEE 89th Vehicular Technology Conference (VTC2019-Spring), Kuala Lumpur, Malaysia, 2019, pp. 1–5.
