面向多层多域巨型星座的卫星网络拓扑控制

徐晓帆; 章跃跃; 曹馨悦; 缪馨; 燕锋; 杜平

doi:10.11959/j.issn.1000-436x.2024136

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面向多层多域巨型星座的卫星网络拓扑控制

专题：低地球轨道卫星互联网 | 更新时间：2024-08-09

- 面向多层多域巨型星座的卫星网络拓扑控制
- Topology control of satellite networks for multi-layer and multi-domain mega-constellation
- 通信学报 2024年45卷第7期页码：1-9
- 作者机构：
  
  1.上海卫星互联网研究院有限公司,上海 200120
  2.卫星互联网全国重点实验室,上海 200120
  3.上海市卫星互联网重点实验室,上海 200120
  4.东南大学移动通信全国重点实验室,江苏南京 210018
- 作者简介：
  
  [ "徐晓帆（1986- ），男，北京人，博士，上海卫星互联网研究院有限公司研究员，主要研究方向为卫星网络架构、空间激光通信和5G/6G。" ]
  [ "章跃跃（1988- ），男，江苏南通人，博士，上海卫星互联网研究院有限公司高级工程师，主要研究方向为卫星互联网网络架构及体制协议等。" ]
  [ "曹馨悦（1998- ），女，河北邢台人，上海卫星互联网研究院有限公司助理工程师，主要研究方向为卫星互联网网络架构和5G/6G等。" ]
  [ "缪馨（1993- ），女，江苏盐城人，博士，上海卫星互联网研究院有限公司工程师，主要研究方向为卫星网络架构、短距离光通信和5G/6G。" ]
  [ "燕锋（1983- ），男，湖北天门人，博士，东南大学副教授，主要研究方向为无人机自组网、卫星互联网、无线传感器网络等。" ]
  [ "杜平（1978- ），男，江苏泰州人，博士，上海卫星互联网研究院有限公司研究员，主要研究方向为卫星互联网网络架构、承载网和核心网技术体制标准。" ]
- 基金信息：
  
  国家自然科学基金青年科学基金资助项目(62101317);上海经信委基金资助项目(2022-2023-JCSS-01002)
- DOI：10.11959/j.issn.1000-436x.2024136
  中图分类号： TN92
- 收稿日期：2024-05-06，
  
  修回日期：2024-07-08，
  
  纸质出版日期：2024-07-25
- 稿件说明：
移动端阅览
徐晓帆,章跃跃,曹馨悦等.面向多层多域巨型星座的卫星网络拓扑控制[J].通信学报,2024,45(07):1-9.

XU Xiaofan,ZHANG Yueyue,CAO Xinyue,et al.Topology control of satellite networks for multi-layer and multi-domain mega-constellation[J].Journal on Communications,2024,45(07):1-9.
徐晓帆,章跃跃,曹馨悦等.面向多层多域巨型星座的卫星网络拓扑控制[J].通信学报,2024,45(07):1-9. DOI： 10.11959/j.issn.1000-436x.2024136.

XU Xiaofan,ZHANG Yueyue,CAO Xinyue,et al.Topology control of satellite networks for multi-layer and multi-domain mega-constellation[J].Journal on Communications,2024,45(07):1-9. DOI： 10.11959/j.issn.1000-436x.2024136.

摘要

针对巨型星座单星任务的时变性以及由此产生的负载过重、单节点脆弱性以及网络控制平面的高可靠性需求，研究面向多层多域巨型星座的卫星网络拓扑控制，提出了一种基于北斗网格位置码的多层多域拓扑描述模型。首先给出了域、层、片、元相关概念及其定义，以实现对卫星节点和星间链路的拓扑特征的统一表征，刻画卫星节点的连通状态以及整个星座的网络拓扑结构；然后设计了一套以在轨控制器为核心、以地面网络控制为辅助的拓扑控制架构，用于提供常态化运行服务保障；最后通过仿真平台对巨型星座子域划分和统一表征进行了验证分析。仿真结果表明，所提拓扑描述模型能够提高巨型星座卫星网络拓扑控制过程的实时性与准确率。

Abstract

In view of the time-varying nature of the single-satellite mission in the mega constellation

the resulting overload

the vulnerability of a single node

and the high reliability requirements of the network control plane

the topology control of satellite networks for multi-layer and multi-domain mega-constellation was studied. A multi-layer and multi-domain topology description model based on Beidou grid position code was proposed. Firstly

the concepts and definitions of layer

domain

slice and element were given to realize the unified characterization of the topological characteristics of satellite nodes and inter-satellite links

and to describe the connectivity state of satellite nodes and the network topology of the entire constellation. Secondly

a topology control architecture with the on-orbit controller as the core and the ground network control as the auxiliary

was designed to provide normal operation service guarantee. Finally

the simulation platform was used to verify and analyze the subdomain division and unified characterization of the mega-constellation. The results show that the proposed topology description model can improve the real-time and accuracy of the topology control process for mega-constellation satellite networks.

关键词

Keywords

references

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