LEO satellite communication and navigation symbiosis positioning management based on signal of opportunity

Jie SHEN; Hui LIU; Jianbing RAO; Quan HE; Liyan BEN; Zhizhong WANG; Ying XIONG

doi:10.11959/j.issn.1000-0801.2023177

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LEO satellite communication and navigation symbiosis positioning management based on signal of opportunity

Research and Development | 更新时间：2024-06-05

- LEO satellite communication and navigation symbiosis positioning management based on signal of opportunity
- Telecommunications Science Vol. 39, Issue 9, Pages: 122-128(2023)
- 作者机构：
  
  1. 北京零重空间技术有限公司，北京100084
  2. 卫星互联网国家重点实验室，北京 100029
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.1000-0801.2023177
  CLC： TP393
- Published Online：2023-08，
  
  Published：25 August 2023
- 稿件说明：
移动端阅览
Jie SHEN, Hui LIU, Jianbing RAO, et al. LEO satellite communication and navigation symbiosis positioning management based on signal of opportunity[J]. Telecommunications science, 2023, 39(9): 122-128.
DOI：

Jie SHEN, Hui LIU, Jianbing RAO, et al. LEO satellite communication and navigation symbiosis positioning management based on signal of opportunity[J]. Telecommunications science, 2023, 39(9): 122-128. DOI： 10.11959/j.issn.1000-0801.2023177.

摘要

通导共生是指通信和导航信号共存于卫星生态环境中。针对定位或通信的单一功能低轨卫星星座，在定位或通信信号不可用时难以快速进行定位管理的难题，提出了应用扩展卡尔曼滤波器算法，对低轨卫星通导共生星座的机会信号进行定位解算，突破定位管理对单一导航系统的依赖。首先，介绍了卡尔曼滤波的基本原理，结合低轨卫星多星座定位管理算法，提出了一种基于机会信号的卡尔曼滤波定位管理算法；其次，分析了所提算法的优点，包括提高定位精度、提高定位效率、提高定位稳定性等；最后，进行了实验，验证了所提算法的有效性。结果表明，所提算法能够有效地提高定位精度、定位效率、定位稳定性，为低轨卫星通导共生星座定位管理提供了一种有效的解决方案。

Abstract

Communication and navigation symbiosis refers to the coexistence of these signals in the satellite ecological environment.For single-function low-orbit satellite constellations for positioning or communication

it is difficult to quickly perform positioning management when positioning or communication signals are unavailable.The extended Kalman filter (EKF) algorithm was proposed to solve the location of the opportunity signals of LEO communication navigation symbiosis constellations

breaking through the dependence of location management on a single navigation system.Firstly

the basic principle of Kalman filter was introduced

and a Kalman filter location management algorithm based on opportunity signal combining with the positioning management algorithm of LEO satellite constellation was proposed.Secondly

the advantages of this algorithm were analyzed

including improving positioning accuracy

improving positioning efficiency

improving positioning stability

etc.Finally

experiments were carried out to verify the effectiveness of the algorithm.The results show that the algorithm can effectively improve the positioning accuracy

efficiency and stability

and provides an effective solution for LEO communication navigation symbiosis constellation location management.

关键词

Keywords

references

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