天拓五号卫星天基物联网系统关键技术与在轨验证

2025,47(1):168-180
李松亭
国防科技大学 空天科学学院, 湖南 长沙 410073
陈利虎
国防科技大学 空天科学学院, 湖南 长沙 410073
余孙全
国防科技大学 空天科学学院, 湖南 长沙 410073
崔俊伟
国防科技大学 空天科学学院, 湖南 长沙 410073
赵勇
国防科技大学 空天科学学院, 湖南 长沙 410073
杨磊
国防科技大学 空天科学学院, 湖南 长沙 410073
摘要:
天基物联网是地基物联网的有效补充和延拓,是建设万物互联、泛在感知的基础性技术手段。以天拓五号卫星中集成的天基物联网系统为例,瞄准覆盖陆海空的多域多场景应用需求,重点解决船舶自动识别系统信号、广播式自动相关监视系统信号的高可靠侦收以及数据搜集系统的多址接入问题,实现航海目标、航空目标的实时监管以及极海量窄带物联传感终端的全球布局,为我国天基物联网的论证、建设、发展以及规模应用提供借鉴方案。
基金项目:
国家自然科学基金资助项目(61804182)

Key techniques and on-orbit verification for SIoT system in TT-5 satellite

LI Songting
College of Aerospace Science and Engineering, National University of Defense Technology, Changsha 410073 , China
CHEN Lihu
College of Aerospace Science and Engineering, National University of Defense Technology, Changsha 410073 , China
YU Sunquan
College of Aerospace Science and Engineering, National University of Defense Technology, Changsha 410073 , China
CUI Junwei
College of Aerospace Science and Engineering, National University of Defense Technology, Changsha 410073 , China
ZHAO Yong
College of Aerospace Science and Engineering, National University of Defense Technology, Changsha 410073 , China
YANG Lei
College of Aerospace Science and Engineering, National University of Defense Technology, Changsha 410073 , China
Abstract:
The SIoT (space-based Internet of Things) is an effective supplement and extension of the ground-based IoT, and it is a basic technical means to build the interconnection of all things and ubiquitous perception. Taking the SIoT integrated in TianTuo-5 as an example, it aims at the application requirements of multi-domain and multi-scenario covering land, sea and air. It focuses on solving the high-reliability detection of the signals of AIS (automatic identification system), ADS-B (automatic dependent surveillance-broadcast) system and the multiple access of DCS (data collection system). This achieves real-time supervision of navigation and aviation goals and the global layout of extremely massive narrowband IoT sensor terminals, and provide reference scheme for the demonstration, construction, development and scale application of our country′s SIoT.
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