天地一体化信息网络 ›› 2021, Vol. 2 ›› Issue (4): 19-26.doi: 10.11959/j.issn.2096-8930.2021039

• 专题:面向6G的天地一体化信息网络 • 上一篇    

空天地一体化网络研究现状与新技术的应用展望

张晓凯, 郭道省, 张邦宁   

  1. 中国人民解放军陆军工程大学,江苏 南京 210007
  • 修回日期:2021-11-06 出版日期:2021-12-01 发布日期:2021-12-01
  • 作者简介:张晓凯(1992-),男,陆军工程大学讲师,主要研究方向为空天地一体化网络、卫星通信、非正交多址接入、信号极化特性等
    郭道省(1972-),男,陆军工程大学教授,主要研究方向为卫星通信、通信抗干扰、空天地一体化网络、物理层安全、无人机通信等
    张邦宁(1972-),男,陆军工程大学教授,主要研究方向为卫星通信、通信抗干扰、空天地一体化网络、无人机通信等
  • 基金资助:
    江苏省自然科学基金项目(BK20191328)

Research Status of Space-air-ground Integrated Network and Application Prospects of New Technologies

Xiaokai ZHANG, Daoxing GUO, Bangning ZHANG   

  1. PLA Army Engineering University, Nanjing, 21007, China
  • Revised:2021-11-06 Online:2021-12-01 Published:2021-12-01
  • Supported by:
    Jiangsu Provincial Natural Science Foundation of China(BK20191328)

摘要:

为了实现全时全域“泛在连接”,全球覆盖、随遇接入、按需服务的空天地一体化网络,是未来无线通信系统发展的方向。建设空天地一体化网络,需要深度结合天基网络、空基网络、地基网络,在不同的空间维度上发挥自身的功能,不断突破网络体制的边界限制,进而实现广域的全覆盖和无线网络的互联互通。文中主要从科研项目实施、技术研究和标准推进等方面探讨空天地一体化网络发展进程。同时,对新技术在空天地一体化网络中的应用进行展望,并探讨未来空天地一体化网络的发展方向。

关键词: 空天地一体化网络, 协同传输技术, 认知无线电, 非正交多址接入技术, 内容分发网络

Abstract:

To achieve the demand of all-time all-area coverage of wireless communications, space-air-ground integrated network (SAGIN) is important systematic development direction with global coverage, optional reception, and proportional demand service, which deeply integrate the satellite-based network, aerial-based network, and terrestrial-based network to break down the systematic barriers of each network and give full play to the functions of diff erent network dimensions.The development process of the SAGIN from the aspects of policy orientation, academic innovation, standards and norms were discussed.At the same time, the applications of the new emerged technology in the SAGIN were prospected, and the possible development direction of the SAGIN in the future was discussed.

Key words: space-air-ground integrated network, cooperative transmission technology, cognitive radio, non-orthogonal multiplex access, content delivery network

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