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internet
RB Control
Connection Mobility Cont.
Measurement
Configuration & Provision
Dynamic Resource
AMF
UPF
gNB or ng-eNB
Inter Cell RRM
Radio Admission Control
Allocation (Scheduler)
NG-RAN
Mobility Anchoring
Idle State Mobility
Handling
NAS Security
SMF
UE IP address
allocation
PDU Session
Control
PDU Handling
5GC
internet
eNB
Connection Mobility Cont.
Dynamic Resource
Allocation (Scheduler)
PDCP
MME
S1
InterCell RRM
RB Control
Radio Admission Control
eNB Measurement
Configuration & Provision
RLC
MAC
PHY
E-UTRAN
RRC
SAE Gateway
Mobility Anchoring
EPC
SAE BearerControl
Idle State Mobility
Handling
NAS Security
5G网络节点功能划分
4G网络节点
5G网络节点
gNB:在4G eNB功能基础之上,
增加了5G网络切片等相关功能。
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AMF:类似4G EPC的MME功
能,增加了5G网络切片、SMF
选择等相关功能。
UPF:类似4G
EPC的S-GW功能
SMF:类似4G
EPC的P-GW功能
Internal Use Only▲
网络架构 协议架构 部署模式