低轨天基物联网系统设计研究

Design of Low Earth Orbit Space-based Internet of Things Systems

近年间随着宇航技术的进步与通信技术的发展,设计建造中大型低轨卫星星座成为趋势。文章分析了搭载低轨宽带卫星互联网星座建设低轨LPWAN系统的挑战与技术关键点,讨论了可能的应用场景与业务模式,并结合一种符合低轨宽带卫星互联网星座典型要求的星座设计进行了性能仿真。

In recent years,the design and construction of large-scale Low Earth orbit(LEO)satellite constellations have emerged as a prominent trend,propelled by notable advancements in aerospace technology and rapid progress in communication technology.This paper provides an analysis of the challenges and crucial technological considerations associated with deploying a LEO Low Power Wide Area Network(LPWAN)system on a LEO broadband satellite internet constellation.Furthermore,it delves into exploring potential application scenarios and business models,while performing performance simulations based on a satellite constellation design that aligns with the standard requirements of LEO broadband satellite internet constellations.