Research on HARQ Technology in Low-Orbit Satellite Communication Network

Runxin ZHANG; Shun ZHANG; Jianpeng MA; Jing ZHANG; Yunfei WU

doi:10.11959/j.issn.2096-8930.2022047

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Research on HARQ Technology in Low-Orbit Satellite Communication Network

Special Issue: Information Transmission Technology for Satellite-Terrestrial Integration | 更新时间：2024-06-03

- Research on HARQ Technology in Low-Orbit Satellite Communication Network
- Space-Integrated-Ground Information Networks Vol. 3, Issue 4, Pages: 92-100(2022)
- 作者机构：
  
  1. 西安电子科技大学，陕西西安 710071
  2. 中国电子科学研究院，北京 100041
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.2096-8930.2022047
  CLC： TN393
- Published Online：2022-12，
  
  Published：20 December 2022
- 稿件说明：
移动端阅览
Runxin ZHANG, Shun ZHANG, Jianpeng MA, et al. Research on HARQ Technology in Low-Orbit Satellite Communication Network[J]. Space-integrated-ground information networks, 2022, 3(4): 92-100.
DOI：

Runxin ZHANG, Shun ZHANG, Jianpeng MA, et al. Research on HARQ Technology in Low-Orbit Satellite Communication Network[J]. Space-integrated-ground information networks, 2022, 3(4): 92-100. DOI： 10.11959/j.issn.2096-8930.2022047.

摘要

探讨如何将HARQ技术进行进一步拓展，使之适用于低轨卫星通信网络。首先对传统的HARQ技术进行阐述；然后在此基础上，分别对基于低密度奇偶校验码的HARQ方案和基于信息组校验码的HARQ方案进行研究，并通过仿真分析方案的性能；最后针对HARQ重传机制中的重传单元分析合适的反馈方案，为低轨卫星通信网络中的HARQ技术研究提供一定的参考。

Abstract

How to extend the HARQ technique to made it suitabled for LEO satellite communication network was explored.First the traditional HARQ technology was expounded.Based on this

the HARQ scheme based on low density parity check code (LDPC) and the HARQ scheme based on message group check code (BCC) were studied respectively

the performance of the schemes was analyzed through simulation.Finally

suitable feedback schemes were analyzed for the retransmission units in the HARQ retransmission mechanism

which provided some reference for the research of HARQ technology in LEO satellite communication networks.

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references

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