| 标 题： |
5G NTN LEO Based Demonstrator Using OpenAirInterface5G
基于OpenAirInterface5G的5G NTN LEO演示系统 |
| 作 者： |
Sumit Kumar
Chandan Kumar Sheemar
Jorge Querol
Turker Yilmaz
Symeon Chatzinotas
Marwan Hammouda
Thomas Heyn
Thomas Schlichter
Paulo Marques
Luis Pereira
Roberto Magueta
Adam kapovits
Stefano Cioni
Matteo. Conti |
| 关键词： |
5G [5G]
Software defined radio [软件定义无线电]
Non-Terrestrial networks [非地面网络]
OpenAirInterface5G [OpenAirInterface5G] |
| 出版年： |
2023 |
| 文集名： |
40th International Communications Satellite Systems Conference (ICSSC 2023)
第40届国际通信卫星系统会议（ICSSC 2023） |
| 会议名： |
40th International Communications Satellite Systems Conference (ICSSC 2023)
第40届国际通信卫星系统会议（ICSSC 2023） |
| 届 次： |
40th |
| 摘 要： |
3GPP Release-17 formally recognizes Non-Terrestrial Network (NTN) components as an integral part of future telecommunication networks. The integration of 5G with NTN has gained significant traction due to the joint effort from academia, industry, and government space agencies. The first phase of 5G-NTN prototype development has been successful using GEO satellites. Moving ahead, LEO satellites can provide higher data rates and lower latency compared to GEO. In this paper, we discuss the 3GPP Release-17 compliant cross-layered adaptations done in OpenAirInterface5G during the project 5G-LEO (OpenAirInterface5G Extension for 5G Satellite Links). 5G-LEO aims to provide direct access to 5G services to a ground UE via a transparent payload LEO satellite. To the best of our knowledge, 5G-LEO is the first work involving the adaptation of 5G protocol addressing the challenges presented by the LEO satellite channel for example high and time-varying Doppler, Round-Trip-Time; and frequent handover. A Software Defined Radio-based end-to-end demonstrator has been developed during the project. Results from the experiments conducted during functional validation over the demonstrator are presented in this work. Our initial experiments show promising results and the feasibility of direct access to 5G services through transparent payload LEO satellites.
3GPP Release-17正式将非地面网络（NTN）组件确认为未来电信网络的重要组成部分。由于学术界、产业界和政府航天机构的共同努力，5G与NTN的融合已获得广泛关注。在地球静止轨道（GEO）卫星上，5G-NTN原型开发的第一阶段已取得成功。未来，低轨（LEO）卫星相比GEO卫星可提供更高的数据速率和更低的延迟。本文讨论了在“5G-LEO”项目（OpenAirInterface5G 5G卫星链路扩展）期间，在OpenAirInterface5G中实现的符合3GPP Release-17标准的跨层适配方案。5G-LEO旨在通过透明有效载荷的LEO卫星，为地面用户设备（UE）直接提供5G服务。据我们所知，5G-LEO是首个针对LEO卫星信道挑战（如高且随时间变化的多普勒效应、往返时延等）进行5G协议适配的研究工作。以及频繁的切换。在项目期间，已开发出一种基于软件定义无线电的端到端演示系统。本文介绍了该演示系统在功能验证过程中所进行实验的结果。我们的初步实验显示了良好的成果，并证明了通过透明有效载荷低轨卫星直接访问5G服务的可行性。 |
| 中文内容为网络AI翻译，专业术语未必准确，仅供参考。 |
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