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未来低轨信息网络发展与架构展望

王宁远 陈东 刘亮 秦兆涛 梁冰苑

王宁远, 陈东, 刘亮, 秦兆涛, 梁冰苑. 未来低轨信息网络发展与架构展望[J]. 电子与信息学报, 2023, 45(2): 396-406. doi: 10.11999/JEIT211400
引用本文: 王宁远, 陈东, 刘亮, 秦兆涛, 梁冰苑. 未来低轨信息网络发展与架构展望[J]. 电子与信息学报, 2023, 45(2): 396-406. doi: 10.11999/JEIT211400
WANG Ningyuan, CHEN Dong, LIU Liang, QIN Zhaotao, LIANG Bingyuan. Development Trend and Architecture Prospect of Future Low-Earth-Orbit Information Networks[J]. Journal of Electronics & Information Technology, 2023, 45(2): 396-406. doi: 10.11999/JEIT211400
Citation: WANG Ningyuan, CHEN Dong, LIU Liang, QIN Zhaotao, LIANG Bingyuan. Development Trend and Architecture Prospect of Future Low-Earth-Orbit Information Networks[J]. Journal of Electronics & Information Technology, 2023, 45(2): 396-406. doi: 10.11999/JEIT211400

未来低轨信息网络发展与架构展望

doi: 10.11999/JEIT211400
基金项目: 国家自然科学基金(61875230),国家重点研发计划(2020YFB1806102)
详细信息
    作者简介:

    王宁远:男,博士,研究方向为卫星通信及卫星网络

    陈东:男,博士,研究员,研究方向为无线通信、移动通信及卫星通信系统

    刘亮:男,博士,高级工程师,研究方向为网络编码及卫星通信

    秦兆涛:男,博士,研究方向为卫星通信及5G无线接入网

    梁冰苑:女,博士,高级工程师,研究方向为卫星通信及卫星网络

    通讯作者:

    陈东 phddchen@sina.com

  • 中图分类号: TN927; TP393.2

Development Trend and Architecture Prospect of Future Low-Earth-Orbit Information Networks

Funds: The National Natural Science Foundation of China (61875230), The National Key Research and Development Program (2020YFB1806102)
  • 摘要: 近年来,伴随着运载、卫星、通信、网络、智能等技术的发展,天基网络形态正在发生质的变化。低轨(LEO)星座网络已经成为众多应用场景、业务承载需求的新选项,有向着全球覆盖、天地一体、多业务承载、持续演进、安全可控的天基通用信息网络基础设施发展的趋势,而这样的愿景对未来低轨星座网络架构提出了更高的要求。该文首先从空间网络、先进卫星以及天地网络融合3方面技术领域对近年来低轨星座网络相关技术的发展现状进行了概述,并对低轨星座网络发展的愿景与趋势进行了分析研判。在此基础上,该文提出基于软件定义(SDN)和网络功能虚拟化(NFV)的全云化卫星-5G融合网络架构,使网络具备架构可编程、网络功能抽象解耦以及去中心化的核心优势,辅以意图驱动网络等智能网络运行管理方法,实现网络的多业务承载、持续演进、自动化管理等能力。最后,该文对需重点关注的技术方向进行了展望。
  • 图  1  低轨信息网络愿景

    图  2  软件定义星座网络系统示意图

    图  3  软件定义星座网络架构

    图  4  互联保障层示意图

    图  5  低轨信息网络意图驱动示意图

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出版历程
  • 收稿日期:  2021-12-01
  • 修回日期:  2022-04-19
  • 网络出版日期:  2022-04-24
  • 刊出日期:  2023-02-07

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