LEO mega-constellation network:networking technologies and state of the art

Quan CHEN; Lei YANG; Jianming GUO; Xingchen LI; Yong ZHAO; Xiaoqian CHEN

doi:10.11959/j.issn.1000-436x.2022075

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LEO mega-constellation network:networking technologies and state of the art

Comprehensive Reviews | 更新时间：2024-06-05

- LEO mega-constellation network:networking technologies and state of the art
- Journal on Communications Vol. 43, Issue 5, Pages: 177-189(2022)
- 作者机构：
  
  1. 国防科技大学空天科学学院，湖南长沙 410073
  2. 复杂飞行器系统仿真重点实验室，北京 100094
  3. 军事科学院国防科技创新研究院，北京 100071
- 作者简介：
- 基金信息：
  
  The National Natural Science Foundation of China(11725211);The National Natural Science Foundation of China(12002383);The Research Project of National University of Defense Technology(ZK22-02)
- DOI：10.11959/j.issn.1000-436x.2022075
  CLC： TN92
- Online First：2022-05，
  
  Published：25 May 2022
- 稿件说明：
移动端阅览
Quan CHEN, Lei YANG, Jianming GUO, et al. LEO mega-constellation network:networking technologies and state of the art[J]. Journal on Communications, 2022, 43(5): 177-189.
DOI：

Quan CHEN, Lei YANG, Jianming GUO, et al. LEO mega-constellation network:networking technologies and state of the art[J]. Journal on Communications, 2022, 43(5): 177-189. DOI： 10.11959/j.issn.1000-436x.2022075.

摘要

以新兴低轨巨型星座网络为研究对象，概述了系统基本架构与工作模式，总结了新兴巨型星座网络的基本特征。根据系统架构，从卫星网络拓扑动态性管理、星地链路切换策略、路由算法设计、地面信关站布局优化设计以及网络仿真与性能评估5个方面系统梳理了各关键技术的主要技术路线和研究进展，尤其是近期巨型星座的相关研究进展。重点分析了低轨巨型星座中星座规模和复杂度扩增对组网关键技术的挑战，以及现有的各类解决方法在巨型星座宽带网络场景下的适用性。最后对未来巨型星座网络的相关研究方向进行了展望。

Abstract

The emerging low earth orbit (LEO) mega-constellation network (MCN) represented by Starlink and OneWeb were studied.The system architecture and basic working modes were introduced

and the main features of the emerging broadband MCN were summarized.Based on the system architecture of MCN

the methodology and research progress of five key technologies were investigated and summarized

including network topology dynamics management

space-ground handover scheme

high-efficiency routing algorithm design

gateway placement design

network simulation and performance evaluation.The focus was on recent mega-constellation-related studies.The challenges caused by the large scale and complexity of MCN and the applicability of existing techniques and solutions in MCN were analyzed.

关键词

Keywords

references

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