面向智能高铁的低轨卫星通信发展综述

苏昭阳; 刘留; 张嘉驰; 周涛; 蔺伟; 梁轶群

doi:10.11959/j.issn.2096-8930.2023034

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面向智能高铁的低轨卫星通信发展综述

研究 | 更新时间：2024-06-03

- 面向智能高铁的低轨卫星通信发展综述
- Review of the Development of Low Earth Orbit Satellite Communication for Smart High-Speed Railway
- 天地一体化信息网络 2023年4卷第3期页码：88-98
- 作者机构：
  
  1. 北京交通大学电子信息工程学院，北京 100044
  2. 中国铁道科学研究院集团有限公司通信信号研究所，北京 100081
- 作者简介：
  
  [ "苏昭阳（1998- ），男，北京交通大学电子信息工程学院博士生，主要研究方向为卫星通信、无线信道建模等" ]
  [ "刘留（1981- ），男，博士，北京交通大学电子信息工程学院教授、博士生导师，主要研究方向为无线信道测量与建模、时变信道信号处理、5G 关键技术、高铁宽带接入物理层关键技术等" ]
  [ "张嘉驰（1991- ），男，北京交通大学电子信息工程学院博士生，主要研究方向为宽带移动通信技术" ]
  [ "周涛（1988- ），男，博士，北京交通大学电子信息工程学院教授，主要从事通信信号处理、无线信道测量与建模研究工作" ]
  [ "蔺伟（1976- ），男，研究员，主要从事铁路通信研究等工作" ]
  [ "梁轶群（1982- ），男，研究员，主要从事铁路通信基础理论研究、标准制定、应用业务、检验检测、工程设计等工作" ]
- 基金信息：
  
  中国国家铁路集团有限公司科技研究开发计划;Technology Research and Development Program of China Railway(N2023G060);国家自然科学基金资助项目;The National Natural Science Foundation of China(62341102)
- DOI：10.11959/j.issn.2096-8930.2023034
  中图分类号： U285
- 网络出版日期：2023-09，
  
  纸质出版日期：2023-09-20
- 稿件说明：
移动端阅览
苏昭阳, 刘留, 张嘉驰, 等. 面向智能高铁的低轨卫星通信发展综述[J]. 天地一体化信息网络, 2023,4(3):88-98.

Zhaoyang SU, Liu LIU, Jiachi ZHANG, et al. Review of the Development of Low Earth Orbit Satellite Communication for Smart High-Speed Railway[J]. Space-integrated-ground information networks, 2023, 4(3): 88-98.
苏昭阳, 刘留, 张嘉驰, 等. 面向智能高铁的低轨卫星通信发展综述[J]. 天地一体化信息网络, 2023,4(3):88-98. DOI： 10.11959/j.issn.2096-8930.2023034.

Zhaoyang SU, Liu LIU, Jiachi ZHANG, et al. Review of the Development of Low Earth Orbit Satellite Communication for Smart High-Speed Railway[J]. Space-integrated-ground information networks, 2023, 4(3): 88-98. DOI： 10.11959/j.issn.2096-8930.2023034.

摘要

低轨卫星具备大带宽、低时延、广覆盖等优点，非常适合作为地面网络的补充，实现智能高铁全线路覆盖、无缝连接的要求，有助于构建空天地一体化通信网络。针对现行铁路移动通信网络存在的不足，研究低轨卫星在智能高铁中的应用以及关键技术，首先分析智能高铁的通信需求，然后介绍国内外铁路卫星通信的发展现状，最后从传播特性、物理层参数、波束切换、资源管理等几个方面对低轨卫星应用在智能高铁领域的关键技术与挑战进行探讨。

Abstract

Low-earth orbit satellites have the advantages of wide bandwidth

low latency

and large coverage

making them very suitable as a supplement to ground cellular networks.Low-earth orbit satellites can meet the requirements of smart high-speed railway full line coverage and seamless connection

which helps to build an integrated communication network between ground and space.Considered the shortcomings of the current railway mobile communication network

the application and key technologies of low earth orbit satellites in smart high-speed railway were studied.Firstly

the communication requirements of smart high-speed railway were analyzed

and then the development status of railway satellite communication at home and abroad were introduced.Finally

the key technologies and challenges of low earth orbit satellite application in the field of smart high-speed rail were discussed from the aspects of propagation characteristics

physical layer parameters

beam handover

and resource management.

关键词

Keywords

references

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