低轨卫星机会信号导航定位方法

张艺超; 赵祥天; 赵亚飞; 孙耀华; 江城; 张世杰; 彭木根

doi:10.11959/j.issn.2096-8930.2024034

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低轨卫星机会信号导航定位方法

专题：星地融合网络与传输技术 | 更新时间：2025-01-02

- 低轨卫星机会信号导航定位方法
- Navigation and Positioning Methods Using Signal of Opportunity of Low Earth Orbit Satellites
- 天地一体化信息网络 2024年5卷第4期页码：3-16
- 作者机构：
  
  北京邮电大学网络与交换技术全国重点实验室，北京 100876
- 作者简介：
  
  [ "张艺超（2000- ），女，北京邮电大学硕士生，主要研究方向为低轨卫星导航定位、通导一体化等。" ]
  [ "赵祥天（1992- ），男，博士，北京邮电大学博士后，主要研究方向为通导一体化、空间非合作目标协同感知等。" ]
  [ "赵亚飞（1987- ），男，博士，北京邮电大学副研究员，博士生导师，主要研究方向为星地融合通信、低轨卫星通导一体化等。" ]
  [ "孙耀华（1992- ），男，博士，北京邮电大学副教授，博士生导师，主要研究方向为低轨卫星通信与网络、无线算力网络。" ]
  [ "江城（1982- ），男，博士，北京邮电大学研究员，主要研究方向为无线电导航、通导一体化等。" ]
  [ "张世杰（1979- ），男，博士，北京邮电大学教授，博士生导师，主要研究方向为卫星互联网系统技术、网络化卫星系统技术等。" ]
  [ "彭木根（1978- ），男，博士，北京邮电大学教授，博士生导师，主要研究方向为空间信息通信、通感算一体化、雾无线接入网络等。" ]
- 基金信息：
  
  中国博士后科学基金(2023M730337)
- DOI：10.11959/j.issn.2096-8930.2024034
  中图分类号： TP393
- 收稿日期：2024-08-15，
  
  修回日期：2024-11-15，
  
  纸质出版日期：2024-12-20
- 稿件说明：
移动端阅览
张艺超,赵祥天,赵亚飞等.低轨卫星机会信号导航定位方法[J].天地一体化信息网络,2024,05(04):3-16.

ZHANG Yichao,ZHAO Xiangtian,ZHAO Yafei,et al.Navigation and Positioning Methods Using Signal of Opportunity of Low Earth Orbit Satellites[J].Space-Integrated-Ground Information Networks,2024,05(04):3-16.
张艺超,赵祥天,赵亚飞等.低轨卫星机会信号导航定位方法[J].天地一体化信息网络,2024,05(04):3-16. DOI： 10.11959/j.issn.2096-8930.2024034.

ZHANG Yichao,ZHAO Xiangtian,ZHAO Yafei,et al.Navigation and Positioning Methods Using Signal of Opportunity of Low Earth Orbit Satellites[J].Space-Integrated-Ground Information Networks,2024,05(04):3-16. DOI： 10.11959/j.issn.2096-8930.2024034.

摘要

近年来，低轨巨型星座发展迅速，主要目标集中在为用户提供高速互联网服务，而作为全球覆盖的卫星通信系统，在导航、定位与授时服务方面的潜力仍有待开发。低轨星座具有信号落地功率高、信号资源丰富、抗毁性强等优势，利用低轨卫星的机会信号进行定位，可作为全球卫星导航系统不可用情况下的一种备份导航手段。对全球范围内典型低轨星座的部署情况、信号与频率特性进行详细汇总，重点梳理低轨卫星机会信号接收处理方法与定位解算方法。针对低轨卫星机会信号定位方法开展数学仿真，对多普勒定位和测码伪距定位等方法进行对比分析，探讨低轨卫星机会信号定位的发展趋势。

Abstract

In recent years

low earth orbit (LEO) giant constellations have developed rapidly

and their main goal is to provide users with high-speed Internet services. As a global coverage satellite communication system

its potential in navigation

positioning and time service remains to be developed. LEO constellations have the advantages of high signal landing power

abundant signal resources

and high survivability. Utilizing the signal of opportunity of LEO satellites for positioning is a backup navigation method when GNSS is unavailable. This paper provided a detailed summary of the deployment

signal and frequency characteristics of typical LEO constellations worldwide

and outlined the methods of receiving and processing LEO satellite signals and positioning solutions. A mathematical simulation was conducted on the opportunistic navigation method of LEO satellites

and Doppler positioning and pseudorange positioning methods were compared and analyzed. The future development trend of opportunistic navigation of LEO satellites was discussed.

关键词

Keywords

references

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