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面向6G的星地融合无线传输技术

徐常志 靳一 李立 张学娇 谢天娇 汪晓燕 李明玉 曹振新

徐常志, 靳一, 李立, 张学娇, 谢天娇, 汪晓燕, 李明玉, 曹振新. 面向6G的星地融合无线传输技术[J]. 电子与信息学报, 2021, 43(1): 28-36. doi: 10.11999/JEIT200363
引用本文: 徐常志, 靳一, 李立, 张学娇, 谢天娇, 汪晓燕, 李明玉, 曹振新. 面向6G的星地融合无线传输技术[J]. 电子与信息学报, 2021, 43(1): 28-36. doi: 10.11999/JEIT200363
Changzhi XU, Yi JIN, Li LI, Xuejiao ZHANG, Tianjiao XIE, Xiaoyan WANG, Mingyu LI, Zhenxin CAO. Wireless Transmission Technology of Satellite-terrestrial Integration for 6G Mobile Communication[J]. Journal of Electronics and Information Technology, 2021, 43(1): 28-36. doi: 10.11999/JEIT200363
Citation: Changzhi XU, Yi JIN, Li LI, Xuejiao ZHANG, Tianjiao XIE, Xiaoyan WANG, Mingyu LI, Zhenxin CAO. Wireless Transmission Technology of Satellite-terrestrial Integration for 6G Mobile Communication[J]. Journal of Electronics and Information Technology, 2021, 43(1): 28-36. doi: 10.11999/JEIT200363

面向6G的星地融合无线传输技术

doi: 10.11999/JEIT200363
基金项目: 国家自然科学基金(61801377),国家重点研发计划项目(2019YFB1803102)
详细信息
    作者简介:

    徐常志:男,1985年生,高级工程师,博士,研究方向为卫星通信与网络

    靳一:男,1984年生,高级工程师,博士,研究方向为卫星通信与网络

    李立:男,1976年生,研究员,研究方向为卫星通信与网络

    张学娇:女,1987年生,工程师,博士,研究方向为激光通信与组网

    谢天娇:女,1983年生,研究员,博士,研究方向为卫星网络及信道编译码技术

    汪晓燕:女,1971年生,工程师,博士,研究方向为激光通信技术

    李明玉:男,1978年生,副教授,博士,研究方向为射频电路与系统

    曹振新:男,1976年生,研究员,博士,研究方向为天线理论与设计

    通讯作者:

    徐常志 sandy_xu@126.com

  • 中图分类号: TN911.3

Wireless Transmission Technology of Satellite-terrestrial Integration for 6G Mobile Communication

Funds: The National Natural Science Foundation of China (61801377), The National Key Research and Development Program (2019YFB1803102)
  • 摘要: 随着5G移动通信网络走向商业化,围绕新一代移动通信系统(6G)的发展愿景、能力需求与关键技术开展研究正在成为新的热点。首先,该文概括了未来6G可能涉及的星地深度融合、新谱段通信、分布式协作MIMO和智能通信等关键技术方向,重点探讨了基于星地深度融合的天地一体化网络(SGIN);然后,针对可能存在的两种典型网络拓扑架构,分析了星间高速链路、星地馈电链路和星地用户链路的特点和技术要求,综述了3种不同类型传输链路的高速通信进展情况。最后,对未来6G天地互联网络亟需突破的光学相控阵多用户接入、高效能星地激光通信和光电一体化组网等关键技术进行分析与展望,以期为后续相关研究指明方向。
  • 图  1  “主干网+接入网”的网络架构

    图  2  低轨星座网络的网络架构

    图  3  实践二十号卫星激光终端

    图  4  穿过大气湍流的常规高斯光束和锋芒光束的光强模式比较

    图  5  星载光电混合交换结构

    图  6  6G软件定义网络的架构

    表  1  国内外星间激光链路代表性研究成果

    序号任务名称链路类型国家/
    地区
    发射时间通信速率链路状态参考文献
    1EDRS/
    Copernics/
    Airbus A310 AOC
    高轨-地、
    高轨-低轨、
    高轨-飞机
    欧洲2016~20191.8 Gbps@BPSK在轨文献[16,17]
    2OCSD低轨-低轨
    低轨-地
    美国2017100 Mbps@OOK
    (立方星)
    运行文献[18]
    3HICALI/
    CubeSOTA
    高轨-低轨
    高轨-地
    日本202110 Gbps@DPSK文献[19]
    4EDRS-D高轨-高轨欧洲日本20253.6 Gbps~10 Gbps
    @BPSK
    文献[20]
    5CLICK/
    Q4/
    TBIRD
    低轨-低轨欧洲美国2020~2024100 Mbps~1 Gbps
    @OOK, BPSK;
    200 Gbps(WDM)
    (立方星)
    计划文献[21-28]
    6Scylight高轨-高轨、
    高轨-低轨、
    高轨-地
    欧洲2025100 Gbps文献[29]
    下载: 导出CSV
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    出版历程
    • 收稿日期:  2020-05-08
    • 修回日期:  2020-08-26
    • 网络出版日期:  2020-09-02
    • 刊出日期:  2021-01-15

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