西安电子科技大学学报 ›› 2024, Vol. 51 ›› Issue (5): 9-23.doi: 10.19665/j.issn1001-2400.20240503

• 信息与通信工程 • 上一篇    下一篇

卫星互联网路由技术综述

魏雯婷1,2(), 伏丽莹1(), 王琨1,2(), 卢雪玉1(), 周兆军3()   

  1. 1.西安电子科技大学 通信工程学院,陕西 西安 710071
    2.先进通信网全国重点实验室,河北 石家庄 050050
    3.陕西烽火电子股份有限公司 西安研发中心,陕西 西安 710114
  • 收稿日期:2024-01-16 出版日期:2024-05-29 发布日期:2024-05-29
  • 作者简介:魏雯婷(1988—),女,副教授,E-mail:wtwei@xidian.edu.cn
    伏丽莹(1999—),女,西安电子科技大学硕士研究生,E-mail:liyingfu@stu.xidian.edu.cn
    王 琨(1981—),女,讲师,E-mail:kwang@mail.xidian.edu.cn
    卢雪玉(2001—),女,西安电子科技大学硕士研究生,E-mail:luxueyu@stu.xidian.edu.cn
    周兆军(1988—),男,高级工程师,E-mail:zhouzhaojun88816@126.com
  • 基金资助:
    国家自然科学基金(62102302);中央高校基本科研业务费专项资金(XJSJ23088);先进通信网全国重点实验室基金课题资助(FFX24641X007);先进通信网全国重点实验室基金课题资助(BAX24641X002)

Survey of routing technologies for the satellite Internet

WEI Wenting1,2(), FU Liying1(), WANG Kun1,2(), LU Xueyu1(), ZHOU Zhaojun3()   

  1. 1. School of Telecommunications Engineering,Xidian University,Xi’an 710071,China
    2. National Key Laboratory of Advanced Communication Networks,Shijiazhuang 050050,China
    3. Xi’an R&D Center,Shaanxi Fiberhome Electronics Co.,Ltd.,Xi’an 710114,China
  • Received:2024-01-16 Online:2024-05-29 Published:2024-05-29

摘要:

卫星互联网呈现全球覆盖、灵活接入、可靠传输的发展趋势,是构建广覆盖、巨连接、立体化、全方位、全天候的空天地一体化信息网络的关键。由于星座规模快速扩张、网络拓扑高度复杂以及业务需求多元动态,卫星互联网的传输压力与日俱增。路由技术负责卫星之间数据传输路径选择与数据转发,是提升星间数据传输效率和保障网络服务质量的关键,在高移动性、高时延、高动态通信以及空间环境复杂的星间组网环境中面临诸多挑战。以卫星互联网星间路由技术为研究对象,概述了卫星互联网的基本组成架构及工作模式。根据星间组网所面临的挑战,从动态信息感知、网络故障建模及跨层混合组网等方面系统梳理了星间路由的主要技术路线并分析了星间路由技术的研究进展,以及现有的各类解决方法在星上计算及存储能力受限时的适用性。最后结合当前卫星互联网路由技术的瓶颈与新兴网络技术,对未来卫星互联网路由技术进行了展望。

关键词: 卫星互联网, 路由技术, 网络架构

Abstract:

With its evolution of global coverage,flexible access,and reliable transmission,the satellite Internet is the key to constructing a space-air-ground integrated information network.Due to the rapid expansion of constellation scale,complex network topology and diverse service requirements,there is increasing pressure on transmission over the satellite Internet.Routing is responsible for path selection and data forwarding between satellites,which is important to improving the efficiency of inter-satellite transmission and ensuring the quality of service.By considering inter-satellite routing,first,the basic structure and working mechanisms of the satellite Internet are reviewed.According to the challenges of inter-satellite networking,routing technologies are systematically reviewed from the perspectives of dynamic information perception,network failures model,and cross-layer hybrid networking.In addition,the research on routing technologies in different scenarios is analyzed,with the applicability of various existing solutions studied when the on-board computing and storage capabilities are limited.Finally,by combining the bottlenecks of current satellite Internet routing and emerging network technology,future research hotspots are prospected.

Key words: satellite Internet, routing technology, network structure

中图分类号: 

  • TN92