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星链系统服务能力分析

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首先对星链星座发展现状进行概述;然后从系统组成、卫星迭代版本、星座构型以及系统发展特点等方面对星链系统进行研究;最后通过仿真对基于星链星座和地面光纤的端到端传输时延进行对比,得出端到端基于不同传输路径的传输距离与时延的关系.通过链路估算,从传输速率方面评估星链卫星对不同业务的服务水平,并从单星覆盖、星座覆盖以及用户可见性方面对覆盖能力进行分析.
Analysis of Starlink System Service Capabilities
This paper first provided an overview of the current status of the Starlink constellation development,then studied the Starlink system from aspects such as system composition,satellite iteration versions,constellation configuration,and system development char-acteristics.Finally,through simulation,a comparison of end-to-end transmission latency based on the Starlink constellation and terres-trial fiber optics was made,and the the relationship between the end-to-end transmission distance and the delay under different transmis-sion paths was obtained.Moreover,through link estimation,the service level of Starlink satellites for different services could be evalu-ated from the perspective of transmission rate.Further,an analysis of the coverage capabilities of a single satellite and the constellation was conducted.

Starlink constellationsystem compositiontransmission latencytransmission ratecoverage capability

王静贤、虞志刚、祝超、孙家正、雷璟

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中国电子科技集团有限公司电子科学研究院,北京 100041

北京跟踪与通信技术研究所,北京 100000

星链星座 系统组成 传输时延 传输速率 覆盖能力

航天某预研(互联网XX项目)国家自然科学基金资助项目国家自然科学基金资助项目

6220153461931017

2024

天地一体化信息网络

天地一体化信息网络

CSTPCD
ISSN:
年,卷(期):2024.5(3)
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