低轨巨型星座路由技术研究现状及展望  

Current status and prospects of research on LEO mega-constellation routing technology

作　　者：李佳奇 陈全[1] 杨磊[1] LI Jiaqi;CHEN Quan;YANG Lei(College of Aerospace Science and Engineering,National University of Defense Technology,Changsha 410073,China)

机构地区：[1]国防科技大学空天科学学院,长沙410073

出　　处：《空间电子技术》2025年第2期1-12,共12页Space Electronic Technology

基　　金：国家自然科学基金(编号:62401597);湖南省自然科学基金(编号:2024JJ6469);国防科技大学科研项目(编号:ZK22-02)。

摘　　要：低轨巨型星座通信网络以其广覆盖、低延迟和高带宽特性成为全球通信网络发展的前沿。同时,卫星数量的急剧增加也对路由技术提出了前所未有的挑战。文章综述了低轨巨型星座路由技术的最新研究进展和主要挑战。首先,对低轨巨型星座的网络架构进行描述。进而,分析了其路由复杂性、拓扑动态性、负载均衡、时延等关键技术问题。而后,从网络拓扑管理、负载均衡、时延优化及网络的高弹性和可靠性方面对路由技术研究现状进行总结。最后,展望了该技术领域的未来研究方向。LEO mega-constellation communication networks,characterized by their extensive coverage,low latency,and high bandwidth,are at the forefront of global communication network development.Furthermore,the exponential increase in satellite numbers presents unprecedented challenges to routing technology.This paper reviews the latest advancements and key challenges in LEO mega-constellation routing technology.Initially,it describes the network architecture of LEO mega-constellations.Subsequently,a detailed analysis was conducted on key technical issues including routing complexity,topology dynamics,load balancing,and latency.Moreover,it synthesizes current state of research on network topology management,load balancing strategies,latency optimization,and network robustness.Finally,the paper concludes by projecting future research trajectories in this technological field.

关 键 词：低轨巨型星座 路由技术 低轨卫星网络 

分 类 号：V443[航空宇航科学与技术—飞行器设计] TN927.2[电子电信—通信与信息系统]