Simulation modeling methods for LEO satellite communication system

Zhiqiang Wu; Ru Wang; Zhenhua Jia; Xiaohui Zhu

doi:10.1117/12.2674971

2 May 2023 Simulation modeling methods for LEO satellite communication system

Zhiqiang Wu, Ru Wang, Zhenhua Jia, Xiaohui Zhu

Proceedings Volume 12642, Second International Conference on Electronic Information Engineering, Big Data, and Computer Technology (EIBDCT 2023); 1264233 (2023) https://doi.org/10.1117/12.2674971
Event: Second International Conference on Electronic Information Engineering, Big Data and Computer Technology (EIBDCT 2023), 2023, Xishuangbanna, China

Abstract

The LEO satellite constellation communication system integrating with the existing ground 5G system is an extremely complex system engineering. Therefore, it is necessary to build a simulation and evaluation system to provide technology supports for multiple stages of the engineering construction, including design demonstration stage, operation management stage and on-orbit application stage. One of the most important tasks of building a simulation system is modeling the key components of the constellation system. Based on the unique properties of LEO satellite constellation and some important factors affecting communication performance, the satellite, gateway, core network, system control center, terminal and radio channel were modeling with a proper simulation granularity. We focus on the model architecture and functional compositions supporting payload service simulation, and detail the modeling process of the inter-satellite laser link affecting the entire satellite network performance, as well as giving the modeling methods of laser capture and spot alignment. The influences of satellite orbit and attitude on the optical inter-satellite link were put into considerations, which is consistent with the actual working status when satellites are on orbit. The modeling methods are efficient for improving the credibility of the simulation and evaluation results of the LEO satellite constellation system.

Citation Download Citation

Zhiqiang Wu, Ru Wang, Zhenhua Jia, and Xiaohui Zhu "Simulation modeling methods for LEO satellite communication system", Proc. SPIE 12642, Second International Conference on Electronic Information Engineering, Big Data, and Computer Technology (EIBDCT 2023), 1264233 (2 May 2023); https://doi.org/10.1117/12.2674971

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KEYWORDS

Satellites

Data modeling

Signal processing

Statistical modeling

Satellite communications

Antennas

Telecommunications

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