▪NodeB、eNB、gNB
•3G基站、4G基站 (e, evolved )、5G基站
▪5G NR
•5G new radio(New Radio Access Technology in 3GPP)
▪5G三大场景
•eMBB (enhanced Mobile Broadband),增强移动宽带(6GHz以下和6GHz以上频段)
•mMTC (massive Machine Type Communications),大规模物联网(6GHz以下频段)
•URLLC (Ultra-Reliable and Low Latency Communications),低时延高可靠连接(6GHz以下频段)
▪LTE eNB—>eLTE eNB—>NR gNB
•4G+, 3GPP Rel-10/11/12叫LTE-Advanced
•Rel-13/14来了,3GPP称之为LTE-A Pro,我们通常称为4.5G
•Rel-15 eLTE(Rel-15将定义5G标准的第一阶段,eLTE就意味着LTE向5G平滑演进)
▪4G、5G并存
•无线接入:eLTE和NR
•核心网:4G核心网EPC和5G核心网Next Generation Core(NGCN)











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