Review of Antennas for Railway Communications

IF 1.6 3区 工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC
A. Arya, Soyul Han, Sanghoek Kim
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引用次数: 0

Abstract

This paper presents a review of the state-of-the-art antennas for the railway communications. There are various aspects that one should consider when designing an antenna, such as antenna size and directivity. While size constraints on railway antennas are not as critical as for mobile consumer counterparts, a radome structure is required to cover the antenna to minimize the aerodynamic resistance antenna. This paper reviews aerodynamic simulations to account for the drag coefficient of the antenna. In a low-frequency band (<5 GHz), railway antennas used to be omnidirectional in the horizontal plane. As the communication scheme advances toward 5G technology, high directivity is required for the railway antenna to compensate for the high path loss at high-frequency bands, i.e., 28-GHz band. We review recent studies of railway antennas over various frequency bands, such as LTE-R, LTE, and the lower and upper 5G bands. To accommodate multiple frequency bands with a single antenna, along with the aerodynamic radome cover, design techniques allowing multiple frequency bands are reviewed in this paper.
铁路通信天线综述
本文介绍了最先进的铁路通信天线。在设计天线时,应该考虑各种方面,例如天线尺寸和方向性。虽然铁路天线的尺寸限制不像移动消费者天线那样重要,但需要天线罩结构来覆盖天线,以最大限度地减少空气动力学阻力天线。本文回顾了考虑天线阻力系数的空气动力学模拟。在低频带(<5 GHz)中,铁路天线过去在水平面上是全向的。随着通信方案向5G技术发展,铁路天线需要高指向性来补偿高频带(即28GHz频带)的高路径损耗。我们回顾了最近对铁路天线在各种频带上的研究,如LTE-R、LTE以及5G的低频段和高频段。为了用单个天线和空气动力学天线罩容纳多个频带,本文综述了允许多个频带的设计技术。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Journal of electromagnetic engineering and science
Journal of electromagnetic engineering and science ENGINEERING, ELECTRICAL & ELECTRONIC-
CiteScore
2.90
自引率
17.40%
发文量
82
审稿时长
10 weeks
期刊介绍: The Journal of Electromagnetic Engineering and Science (JEES) is an official English-language journal of the Korean Institute of Electromagnetic and Science (KIEES). This journal was launched in 2001 and has been published quarterly since 2003. It is currently registered with the National Research Foundation of Korea and also indexed in Scopus, CrossRef and EBSCO, DOI/Crossref, Google Scholar and Web of Science Core Collection as Emerging Sources Citation Index(ESCI) Journal. The objective of JEES is to publish academic as well as industrial research results and discoveries in electromagnetic engineering and science. The particular scope of the journal includes electromagnetic field theory and its applications: High frequency components, circuits, and systems, Antennas, smart phones, and radars, Electromagnetic wave environments, Relevant industrial developments.
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