NR FDD 2.1G技术的研究和初步应用  

On the Study and Implementation of NR FDD 2.1G Techniques

作　　者：欧阳晖[1] OU Yanghui(Foshan Branch of China Telecom Co.,Ltd.,Foshan 528000,China)

机构地区：[1]中国电信股份有限公司佛山分公司

出　　处：《移动通信》2019年第12期10-15,共6页Mobile Communications

摘　　要：从双工方式、频段分布、物理层信道结构、无线参数、多天线技术等方面对FDD 2.1G技术在5G中的技术方案进行论述。通过应用实例,从覆盖、速率等多个指标把2.1G FDD NR与3.5G TDD NR以及2.1G FDD LTE的性能进行比较和分析,论述2.1G FDD NR的优势与不足。研究了2.1G FDD NR和2.1G FDD LTE的频谱共享方案。该技术具有较好的技术指标和应用前景。This paper studies how to apply 5G technologies to the existing 4 G spectrum.The technical solution of FDD 2.1 G technology in 5G is discussed in terms of the duplex mode,frequency band distribution,physical layer channel structure,wireless parameters and multi-antenna technology.Through the examples of practical applications,this paper analyzes and compares the performance of 2.1 G FDD NR,3.5G TDD NR and 2.1 G FDD LTE with multiple metrics such as coverage and rate,and the advantages and disadvantages of 2.1 G FDD NR are discussed.The spectrum sharing scheme between 2.1 G FDD NR and 2.1 G FDD LTE is studied,and it shows a good technical performance and application prospects.

关 键 词：NR FDD SSB 频谱共享 频率重耕 

分 类 号：TN929.5[电子电信—通信与信息系统]