一种5G上行链路增强技术解决方案  

5G Uplink Enhancement Solution Based on TDD/FDD Coordination

作　　者：曹磊[1] 赵晔[1] 熊尚坤[2] 许森[2] 魏垚[2] CAO Lei;ZHAO Ye;XIONG Shangkun;XU Sen;WEI Yao(5G Innovation Center of China Telecom,Beijing 100033,China;Intelligent Network and Terminal Research Institute of China Telecom,Guangzhou 510630,China)

机构地区：[1]中国电信股份有限公司5G创新中心,北京100033 [2]中国电信股份有限公司智能网络与终端研究院,广东广州510630

出　　处：《移动通信》2019年第9期24-27,共4页Mobile Communications

摘　　要：新业务发展对5G上行速率和时延提出更高要求,结合全球5G频率使用情况,分析了高/低频段、TDD/FDD双工在5G上行容量、覆盖和时延性能方面的特性,在上行CA和SUL的基础上,提出一种TDD/FDD协同、高低频互补和时频域聚合的5G上行增强解决方案,具有更优的上行性能,最后给出了标准化方向的建议。The emerging application development raises higher requirements for 5G uplink rate and delay.Based on global spectrum usage of 5G,this paper analyzes the characteristics of high/low frequency band,TDD/FDD duplex for 5G uplink capacity,coverage and delay performance.Based on uplink CA and SUL,a 5G uplink enhancement solution is proposed via TDD/FDD coordination,high and low frequency complement and time-frequency domain aggregation.The proposed solution has better uplink performance and provides suggestions to standardized direction.

关 键 词：上行增强技术 上行载波聚合 上行辅助链路 

分 类 号：TN929.5[电子电信—通信与信息系统]