A novel automobile antenna for vehicles communication of IoT systems in 5G network
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RESEARCH
A novel automobile antenna for vehicles communication of IoT systems in 5G network Wei Luo1* , Wuquan Chen1, Yulu Feng1 and Yuqi Yang2 *Correspondence: [email protected] 1 College of Electronic Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, China Full list of author information is available at the end of the article
Abstract The Internet of vehicles (IoV) is an important part of mobile communication system with the development of Internet of things. A novel multiband automobile antenna is proposed, which can cover all frequency bands for the long-term evolution (LTE), the fifth generation wireless systems (5G), the wireless local area network and the dedicated short-range communication (from 690 to 944 MHz and from 1.46 to 6 GHz). The antenna is designed based on the monopole antenna, and the impedance matching performance of the antenna is improved by loading the toothed capacitor and the impedance matching disk. The simulation results show that the automobile antenna achieves good impedance matching in the working bandwidth and obtains omnidirectional radiation pattern in the horizontal direction. The electric field distribution of the antenna placed on the vehicle roof is simulated to evaluate the network performance of the antenna system in the urban environment. The transmission coefficient of the transceiver system using the automobile antenna is also analyzed based on the electromagnetic simulation results and statistical model. The blind area of mobile communication system is effectively covered with the automobile antenna, which could be used to connect the LTE cell and the IoV system. Keywords: Automobile antenna, Internet of vehicles, Network performance
1 Introduction In order to meet the different needs of modern mobile communication, vehicles are loaded with various functional antennas, which can be used in emergency call, entertainment, navigation and positioning [1]. The performance of automobile antenna is of great significance to improve the quality of service (QoS) in vehicle wireless communication system. The long-term evolution (LTE) is suitable for automotive applications with the high data rate and scalability, since the peak data rate of the downlink stream and the uplink stream are 100 Mbit/s and 10 Mbit/s, respectively [2]. Furthermore, the fifth generation mobile communication system (5G) incorporates the Internet of things (IoT) system, lower round trip delays and a reduction in energy consumption [1]. IEEE has revised the 802.11 standard with 802.11p wireless access in DSRC for vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) system [3, 4]. There is an anticipated development prospect for the Internet of vehicles (IoV) system based on these requirements. © The Author(s) 2020. Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to
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