Network Simulation of Low Earth Orbit Satellite Communication System Based on SNS3

WU Fengwei; LIU Chuan; SHANG Dan; GENG Min

doi:10.11959/j.issn.2096-8930.2024040

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Network Simulation of Low Earth Orbit Satellite Communication System Based on SNS3

Studies | 更新时间：2025-01-02

- Network Simulation of Low Earth Orbit Satellite Communication System Based on SNS3
- Space-Integrated-Ground Information Networks Vol. 5, Issue 4, Pages: 75-84(2024)
- 作者机构：
  
  成都中科微信息技术研究院有限公司，四川成都 610054
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.2096-8930.2024040
  CLC： TN927
- Received：10 August 2024，
  
  Revised：2024-11-03，
  
  Published：20 December 2024
- 稿件说明：
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吴奉微,刘川,尚丹等.基于SNS3的低轨卫星通信系统网络仿真[J].天地一体化信息网络,2024,05(04):75-84.

WU Fengwei,LIU Chuan,SHANG Dan,et al.Network Simulation of Low Earth Orbit Satellite Communication System Based on SNS3[J].Space-Integrated-Ground Information Networks,2024,05(04):75-84.
吴奉微,刘川,尚丹等.基于SNS3的低轨卫星通信系统网络仿真[J].天地一体化信息网络,2024,05(04):75-84. DOI： 10.11959/j.issn.2096-8930.2024040.

WU Fengwei,LIU Chuan,SHANG Dan,et al.Network Simulation of Low Earth Orbit Satellite Communication System Based on SNS3[J].Space-Integrated-Ground Information Networks,2024,05(04):75-84. DOI： 10.11959/j.issn.2096-8930.2024040.

摘要

在卫星网络仿真平台SNS3的基础上，通过构建准确的卫星轨道模型、物理层链路模型以及网络协议模型，提出并设计一种适用于LEO卫星通信系统的天线模型，搭建适用于低轨卫星通信的网络仿真平台，实现对低轨卫星通信网络的全面仿真，解决SNS3仅支持单颗GEO卫星多点波束卫星网络的模拟而无法对LEO卫星通信系统进行仿真的问题。对关键模型进行仿真验证，仿真结果表明了所提模型的有效性；对LEO卫星通信系统端到端时延、网络吞吐量等关键指标进行仿真，仿真结果表明了所提模型应用于LEO通信系统能够有效模拟低轨卫星通信网络的运行过程，并评估不同网络参数和协议性能，为低轨卫星通信系统协议体制建设和关键技术的仿真验证提供借鉴和参考。

Abstract

On the basis of SNS3

by constructing an accurate satellite orbit model

physical layer link model and network protocol model

an antenna model suitable for LEO satellite communication system was proposed and designed

and a network simulation platform suitable for low-orbit satellite communication was built

which realized the comprehensive simulation of low-orbit satellite communication network. Solved the problem that SNS3 only supports the simulation of a single GEO satellite multipoint beam satellite network

but cannot simulate the LEO satellite communication system. In this paper

the key models were simulated and verified

and the simulation results showed that the effectiveness of the proposed model was valid. The simulation results showed that the model could effectively simulate the operation process of the LEO satellite communication network and evaluate the performance of different network parameters and protocols. It provided a reference for the construction of protocol system and the simulation and verification of key technologies of low-orbit satellite communication system.

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references

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