5G NR载波聚合部署方案研究  

Research on 5G NR Carrier Aggregation Deployment Strategy

作　　者：刘英男 张涛[1] 王伟[1] Liu Yingnan;Zhang Tao;Wang Wei(China Unicom Research Institute,Beijing 100176,China)

机构地区：[1]中国联通研究院,北京100176

出　　处：《邮电设计技术》2021年第4期50-53,共4页Designing Techniques of Posts and Telecommunications

摘　　要：载波聚合是5G SA组网部署方案中的重要领域之一,对于提升用户体验具有重要价值。尤其在网络共建共享的大环境下,可以有效整合各方频谱资源,形成极致体验和竞争优势。从5G NR载波聚合部署中涉及的主要特性入手,在高低频段融合组网的条件下,分析了驻留重选方案、主辅载波管理方案、移动性管理方案、FDD+TDD的载波聚合方案和困难挑战,最后结合一个典型的部署场景,给出了具体的部署方案建议。Carrier aggregation is one of the important areas in 5G SA networking deployment plan,which is of great value for improving user experience.Especially under the environment of RAN co-construction and sharing,it can effectively integrate the spectrum resources of all parties and form the ultimate experience and competitive advantage.Starting from the main features involved in the carrier aggregation deployment of 5G NR,under the condition of high and low frequency networking,the cell selection and re-selection scheme,the primary and secondary carrier management scheme,the mobility management scheme,the carrier aggregation scheme of FDD+TDD and the challenges are analyzed.Finally,combining with a typical deployment scenario,the specific deployment scheme is proposed.

关 键 词：载波聚合 载波管理 移动性管理 

分 类 号：TN929.5[电子电信—通信与信息系统]