电子学报 ›› 2022, Vol. 50 ›› Issue (1): 1-17.DOI: 10.12263/DZXB.20210690

• 无线光通信及其组网技术 •    下一篇

空天地一体化无线光通信网络关键技术及其发展趋势

赵雄文1,2, 张钰1,2, 秦鹏1,2, 王晓晴1,2, 耿绥燕1,2, 宋俊元1,2, 刘瑶1,2, 李思峰1,2   

  1. 1.华北电力大学新能源电力系统国家重点实验室,北京 102206
    2.华北电力大学河北省电力物联网技术重点实验室,河北 保定 071003
  • 收稿日期:2021-05-29 修回日期:2021-08-05 出版日期:2022-01-25 发布日期:2022-01-25
  • 作者简介:赵雄文 男,1964年生,陕西清涧人.中国电子学会会士,华北电力大学教授,博士生导师,通信工程国家一流专业负责人,信息与通信工程学科责任教授.主要研究方向为无线通信与电力系统通信等.
    张 钰(通信作者) 女,1995年生,安徽六安人.华北电力大学电气与电子工程学院博士研究生.主要研究方向为5G,B5G无线通信技术.
  • 基金资助:
    国家自然科学基金重点项目(61931001);国家自然科学基金(61771194);新能源电力系统国家重点实验室开放课题(LAPS21018);中央高校科研基金(2021MS002)

Key Technologies and Development Trends for a Space-Air-Ground Integrated Wireless Optical Communication Network

ZHAO Xiong-wen1,2, ZHANG Yu1,2, QIN Peng1,2, WANG Xiao-qing1,2, GENG Sui-yan1,2, SONG Jun-yuan1,2, LIU Yao1,2, LI Si-feng1,2   

  1. 1.State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources,North China Electric Power University,Beijing 102206,China
    2.Hebei Key Laboratory of Power Internet of Things Technology,North China Electric Power University,Baoding,Hebei 071003,China
  • Received:2021-05-29 Revised:2021-08-05 Online:2022-01-25 Published:2022-01-25

摘要:

构建空天地一体化信息网络是第六代通信系统(the Sixth Generation,6G)的重要目标,无线光通信相较于射频(Radio Frequency,RF)通信技术具有容量大、速率高、抗干扰能力强等优势,已成为建立全球无缝覆盖空间网络的重要技术.本文综述了基于自由空间光通信(Free Space Optical Communication,FSOC)的空天地一体化网络国内外建设及相关标准化现状,相较于现有综述文献,涵盖了更多最新研究工作,并针对物理层和上层指出一体化FSOC网络设计需要关注的重要因素,对大气信道建模、“捕获、瞄准和跟踪”(Acquisition Pointing and Tracking,APT)、拓扑控制、路由、资源分配、可靠传输协议、微波协作传输几种重要通信技术进行总结和分析,并指出其未来发展趋势和面临的挑战.

关键词: 空天地一体化自由空间光通信网络, 信道建模, APT, 拓扑控制, 路由, 资源分配, 可靠传输协议, 微波协作传输

Abstract:

Space-air-ground integrated information network has become a key target of building the six generation(6G) communication system. Compared to radio frequency(RF) technology, wireless optical communication has the advantages of large capacity, high data rate and strong anti-interference ability, which makes it becomes an indispensable technology to establish a global seamless coverage network. In this paper, the research progress and standardization for free space optical communication(FSOC) based space-air-ground integrated information networks were presented, which cover more recent research work compared with the existing literature reviews. The critical factors of physical and upper layer in designing integrated FSOC networks were also discussed. Several important communication technologies such as atmospheric channel modeling, APT(Acquisition, Pointing and Tracking), topology control, routing, resource allocation, reliable transmission protocol, and microwave cooperative transmission were summarized and analyzed, and their future development trends and challenges were pointed out.

Key words: space-air-ground integrated free space optical communication network, channel modeling, acquisition,pointing and tracking(APT), topology control, routing, resource allocation, reliable transmission protocol, microwave cooperative transmission

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