Contenu connexe Similaire à High-level architecture of Mobile Cellular Networks from 2G to 5G (20) High-level architecture of Mobile Cellular Networks from 2G to 5G2. The ‘2G’ GSM Network Architecture
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BSC
BTS
MSC
Voice (PSTN)
Network
MS
BSS
MSC = Mobile Switching Centre
BSS = Base Station Subsystem
BSC = Base Station Controller
BTS = Base Transceiver Station
MS = Mobile Station
Access
Network
Core
Network
Air
Interface 2G
3. The ‘2.5G’ GPRS Enhancement
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BSC
BTS
MSC
Voice (PSTN)
Network
SGSN
Data (IP)
Network
GGSN
Access
Network
Core
Network
Air
Interface
MS
BSS
2G 2.5G
GPRS = General Packet Radio Service
SGSN = Serving GPRS Support Node
GGSN = Gateway GPRS Support Node
4. The ‘3G’ UMTS Network Architecture
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BSC
BTS
MSC
Voice (PSTN)
Network
SGSN
Data (IP)
Network
RNC
Node B
GGSN
Access
Network
Core
Network
Air
Interface
MSUE
BSSRNS
2G 2.5G
3G
UMTS = Universal Mobile Telecommunications Service
RNC = Radio Network Controller
RNS = Radio Network Subsystem
UE = User Equipment
5. The ‘4G’ LTE Network Architecture
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BSC
BTS
MSC
Voice (PSTN)
Network
SGSN
Data (IP)
Network
RNC
Node BeNodeB
MME
GGSN
Access
Network
Core
Network
Air
Interface
MSUEUE
BSSRNS
S-GW
P-GW
2G 2.5G
3G 4G
EPC = Evolved Packet Core
MME = Mobility Management Entity
S-GW = Serving Gateway
P-GW = PDN Gateway
PDN = Packet Data Network
eNodeB = evolved NodeB
EPC
6. The ‘4G’ LTE Network Architecture
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Data (IP)
Network
eNodeB
MME
Access
Network
Core
Network
Air
Interface
UE
S-GW
P-GW
EPC = Evolved Packet Core
MME = Mobility Management Entity
S-GW = Serving Gateway
P-GW = PDN Gateway
PDN = Packet Data Network
eNodeB = evolved NodeB
EPC
4G
7. The ‘5G’ Phase 1 Network Architecture
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Data (IP)
Network
eNodeB
MME
Access
Network
Core
Network
Air
Interface
UE
S-GW
P-GW
gNodeB = next generation NodeB
NR = New Radio
EPC
4G
gNodeB
UE
5G
5G NR
8. The ‘5G’ Phase 2 Network Architecture
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Data (IP)
Network
eNodeB
MME
Access
Network
Core
Network
Air
Interface
UE
S-GW
P-GW
NGCN = Next Generation Core Network
gNodeB = next generation NodeB
NR = New Radio
EPC
4G
gNodeB
UE
NGCN
5G
5G NR
9. The ‘5G’ Phase 3 Network Architecture
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Data (IP)
Network
eNodeB
Access
Network
Core
Network
Air
Interface
UE
NGCN = Next Generation Core Network
gNodeB = next generation NodeB
NR = New Radio
4G
gNodeB
UE
NGCN
5G
5G NR
10. Thank You
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