NR覆盖增强方案及标准化进展

为提升5GNR网络的覆盖性能,研究并讨论覆盖瓶颈信道的相关覆盖增强方案,包括物理上行共享信道的重复传输增强、多时隙传输块处理、联合信道估计方案,物理上行控制信道的动态重复传输指示、解调参考信号绑定方案,以及随机接入中的Msg3信道的重复传输方案.基于上述增强方案,聚焦3GPP Release 17 NR覆盖增强的标准化...

NR Coverage Enhancement Solution and Standardization Progress

In order to improve the coverage performance of 5G NR networks,the coverage enhancement solutions for bottleneck channels are studied and discussed.Specifically,for physical uplink shared channel,repetition transmission enhancement,multi-slot transport block processing and joint channel estimation are considered,for physical uplink control channel,dynamic repetition indication and DMRS bundling are considered,and repetition transmission solutions are considered for Msg3 channel in random access process.Based on the above enhancement solutions,this paper focuses on the standardization work for coverage enhancement in 3GPP Release 17 NR,and introduces and analyzes the corresponding standardization progresses.Finally,the necessity of coverage enhancement standardization work for 3GPP Release 18 is analyzed,and the related standardization directions are prospected.