在现场评估4G和5G无线通信的上联服务周期
Günter Vermeeren1, Leen Verloock1, Sam Aerts1
1Department of Information Technology, Ghent University/imec, 9052 Ghent, Belgium.
Sensors (Basel, Switzerland)
|May 25, 2024
概括
这项研究测量了各种应用中的5G NR和4G LTE智能手机上网链路工作周期. 在某些情况下,5G NR显示出更高的上链分配时间,这是由于其时间划分重复.
科学领域:
- 电信工程 电信工程 电信工程
- 无线通信系统无线通信系统
- 移动网络性能 移动网络性能
背景情况:
- 了解智能手机上链 (UL) 工作周期对于优化移动网络性能和资源配置至关重要.
- 之前的研究还没有全面测量现场UL工作周期,用于4G LTE和5G新无线电 (NR) 的各种应用.
研究的目的:
- 量化和比较使用5G NR和4G LTE技术的智能手机的现场上联服务周期.
- 分析不同应用程序 (语音,视频,数据) 如何影响这些工作周期.
- 调查5G NR的时间分割重复 (TDD) 对上链性能的影响.
主要方法:
- 现场测量智能手机上网服务周期在比利时4G和5G基站附近的十个地点进行.
- 评估了六个不同的用例,包括语音 (VoLTE),视频流 (Twitch),即时通讯 (WhatsApp) 和数据传输 (FTP,iPerf,Ping).
- 对4G LTE和5G NR网络进行了测量.
主要成果:
- 对于像Twitch,VoLTE和WhatsApp这样的应用程序,4G和5G的上网服务周期从4%到22%不等.
- 与4G LTE相比,5G NR在这些应用中表现出更高的上行分配时间,这归因于3.7GHz频段的TDD.
- 平安在5G NR (2%) 和4G LTE (50%) 上显示了显著较低的中位数工作周期.
- 在FTP上传和iPerf应用程序中,在两种网络类型上,上链工作周期都接近100%.
结论:
- 根据应用类型和网络技术 (4G LTE与5G NR) 的基础上,上网服务周期有很大差异.
- 5G NR的TDD机制可以带来增加上链资源的可用性,特别是在某些应用中.
- 这些发现为网络运营商和设备制造商在优化光谱效率和用户体验方面提供了宝贵的见解.
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