通信学报 ›› 2022, Vol. 43 ›› Issue (5): 177-189.doi: 10.11959/j.issn.1000-436x.2022075
陈全1, 杨磊1, 郭剑鸣1,2, 李星辰3, 赵勇1, 陈小前3
修回日期:
2022-03-15
出版日期:
2022-05-25
发布日期:
2022-05-01
作者简介:
陈全(1993- ),男,安徽宿州人,博士,国防科技大学讲师,主要研究方向为低轨卫星网络、无人机通信网络、微纳卫星技术等基金资助:
Quan CHEN1, Lei YANG1, Jianming GUO1,2, Xingchen LI3, Yong ZHAO1, Xiaoqian CHEN3
Revised:
2022-03-15
Online:
2022-05-25
Published:
2022-05-01
Supported by:
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。
中图分类号:
陈全, 杨磊, 郭剑鸣, 李星辰, 赵勇, 陈小前. 低轨巨型星座网络:组网技术与研究现状[J]. 通信学报, 2022, 43(5): 177-189.
Quan CHEN, Lei YANG, Jianming GUO, Xingchen LI, Yong ZHAO, Xiaoqian CHEN. LEO mega-constellation network:networking technologies and state of the art[J]. Journal on Communications, 2022, 43(5): 177-189.
表4
低轨星座网络信关站布局相关研究"
研究工作 | 优化目标 | 求解方法 | 研究场景 |
文献[ | 网络平均时延、卫星负载及信关站负载均衡性 | 遗传算法 | Starlink |
文献[ | 信关站负载均衡性 | 改进的离散粒子群算法 | OneWeb、Telesat |
文献[ | 系统容量、时延及信关站数目 | 多目标遗传算法 | 类铱星星座,无星间链路 |
文献[ | 星间转发跳数、星地链路容量 | 模拟退火、遗传算法 | 72星-倾斜轨道星座 |
文献[ | 卫星-信关站连接性 | 遗传算法 | 类OneWeb星座 |
文献[ | 系统容量 | 贪心算法 | OneWeb |
文献[ | QoS保证的系统总数传速率 | 多目标遗传算法 | Starlink、OneWeb、Telesat |
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