Research on Scenarios and Modeling of Co-Frequency Interference Between NGSO Communication Constellation Systems

Wei LI; Kang YAN; Jingru GENG; Wen WANG

doi:10.11959/j.issn.2096-8930.2021003

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Research on Scenarios and Modeling of Co-Frequency Interference Between NGSO Communication Constellation Systems

Topics: Effective Utilization of Spectrum in Space-Integrated-Ground Information Network | 更新时间：2024-06-03

- Research on Scenarios and Modeling of Co-Frequency Interference Between NGSO Communication Constellation Systems
- Space-Integrated-Ground Information Networks Vol. 2, Issue 1, Pages: 20-27(2021)
- 作者机构：
  
  1. 国家无线电监测中心，北京 100037
  2. 中国科学院信息工程研究所，北京 100093
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.2096-8930.2021003
  CLC： TN91
- Published Online：2021-03，
  
  Published：20 March 2021
- 稿件说明：
移动端阅览
Wei LI, Kang YAN, Jingru GENG, et al. Research on Scenarios and Modeling of Co-Frequency Interference Between NGSO Communication Constellation Systems[J]. Space-integrated-ground information networks, 2021, 2(1): 20-27.
DOI：

Wei LI, Kang YAN, Jingru GENG, et al. Research on Scenarios and Modeling of Co-Frequency Interference Between NGSO Communication Constellation Systems[J]. Space-integrated-ground information networks, 2021, 2(1): 20-27. DOI： 10.11959/j.issn.2096-8930.2021003.

摘要

针对非静止轨道（NGSO）通信星座系统存在的严重频率重叠问题，在综合阐述典型系统频率资源规划使用现状的基础上，全面分析多个NGSO通信星座系统同频共用情形下潜在的干扰场景，并对每个场景下发生干扰风险的可能性进行初步定性评估。根据干扰场景特征，探讨NGSO通信星座系统之间同频干扰分析的关键参数和模型，并给出3种不同评价指标的同频干扰计算模型，最后指出NGSO通信星座系统间同频干扰分析面临的挑战以及重点研究方向。研究结果可为NGSO通信星座系统之间的兼容共存提供参考。

Abstract

Aiming at the serious problem of frequency overlapping among non-geostationary satellite orbit (NGSO) communication constellation systems.The potential interference scenarios under multiple NGSO communication constellation systems sharing the same spectrum band was comprehensively analyzed

with the aid of analyzing frequency plan of typical constellation systems.Then the possibility of interference risk in each scenario was qualitatively evaluated.According to the characteristics of interference scenarios

the key parameters and models for the co-frequency interference analysis between the NGSO communication constellation systems were discussed

and the computing models of co-frequency interference based on three diff erent protect criterion were presented.Finally

challenges and key research directions of co-frequency interference analysis between NGSO communication constellation systems were pointed out.The research can provide a reference for the study of compatibility and coexistence between broadband Internet constellation systems.

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references

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