面向5G演进的蜂窝物联网关键技术研究

Research on Key Technologies of Cellular Internet of Things for 5G Evolution

随着物联网的快速发展,蜂窝物联网技术的应用日益广泛。文章重点分析了面向5G演进的蜂窝物联网关键技术。首先,分析蜂窝物联网技术体系,梳理面向第四代移动通信技术(4th Generation Mobile Communication Technology,4G)和面向第五代移动通信技术(5th Generation Mobile Communication Technology,5G)的蜂窝物联技术的网络定位。其次,通过与其他蜂窝物联网技术对比,分析5GRedCap技术的特点、典型应用场景、关键技术及网络性能。最后,从频谱部署、带宽部分(Bandwidth Part,BWP)配置、容量配置、网络设备升级几个方面提出5GRedCap部署策略。

With the rapid development of the Internet of Things,the application of cellular Internet of Things technology is becoming increasingly widespread.The article focuses on analyzing the key technologies of cellular Internet of Things for 5G evolution.Firstly,the cellular Internet of Things technology system was analyzed,and the network positioning of cellular Internet of Things technology for fourth generation mobile communication technology(4G)and fifth generation mobile communication technology(5G)was summarized.Secondly,by comparing with other cellular Internet of Things technologies,the characteristics,typical application scenarios,key technologies,and network performance of 5G RedCap technology were analyzed.Finally,a 5G RedCap deployment strategy was proposed from the aspects of spectrum deployment,Bandwidth Par(BWP)configuration,capacity configuration,and network device upgrade.