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High-level architecture
from 2G to 5G
@3g4gUK
The ‘2G’ GSM Network Architecture
©3G4G
BSC
BTS
MSC
Voice (PSTN)
Network
MS
BSS
MSC = Mobile Switching Centre
BSS = Base S...
The ‘2.5G’ GPRS Enhancement
©3G4G
BSC
BTS
MSC
Voice (PSTN)
Network
SGSN
Data (IP)
Network
GGSN
Access
Network
Core
Network...
The ‘3G’ UMTS Network Architecture
©3G4G
BSC
BTS
MSC
Voice (PSTN)
Network
SGSN
Data (IP)
Network
RNC
Node B
GGSN
Access
Ne...
The ‘4G’ LTE Network Architecture
©3G4G
BSC
BTS
MSC
Voice (PSTN)
Network
SGSN
Data (IP)
Network
RNC
Node BeNodeB
MME
GGSN
...
The ‘4G’ LTE Network Architecture
©3G4G
Data (IP)
Network
eNodeB
MME
Access
Network
Core
Network
Air
Interface
UE
S-GW
P-G...
The ‘5G’ Phase 1 Network Architecture
©3G4G
Data (IP)
Network
eNodeB
MME
Access
Network
Core
Network
Air
Interface
UE
S-GW...
The ‘5G’ Phase 2 Network Architecture
©3G4G
Data (IP)
Network
eNodeB
MME
Access
Network
Core
Network
Air
Interface
UE
S-GW...
The ‘5G’ Phase 3 Network Architecture
©3G4G
Data (IP)
Network
eNodeB
Access
Network
Core
Network
Air
Interface
UE
NGCN = N...
Thank You
To learn more, visit:
3G4G Website – http://www.3g4g.co.uk/
3G4G Blog – http://blog.3g4g.co.uk/
3G4G Small Cells...
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High-level architecture of Mobile Cellular Networks from 2G to 5G

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A quick look at the architecture of different generations of mobile cellular technology, all the way from 2G (GSM / GPRS) to 5G.

Published in: Technology
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High-level architecture of Mobile Cellular Networks from 2G to 5G

  1. 1. High-level architecture from 2G to 5G @3g4gUK
  2. 2. The ‘2G’ GSM Network Architecture ©3G4G 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. 3. The ‘2.5G’ GPRS Enhancement ©3G4G 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. 4. The ‘3G’ UMTS Network Architecture ©3G4G 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. 5. The ‘4G’ LTE Network Architecture ©3G4G 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. 6. The ‘4G’ LTE Network Architecture ©3G4G 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. 7. The ‘5G’ Phase 1 Network Architecture ©3G4G 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. 8. The ‘5G’ Phase 2 Network Architecture ©3G4G 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. 9. The ‘5G’ Phase 3 Network Architecture ©3G4G 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. 10. Thank You To learn more, visit: 3G4G Website – http://www.3g4g.co.uk/ 3G4G Blog – http://blog.3g4g.co.uk/ 3G4G Small Cells Blog – http://smallcells.3g4g.co.uk/ Follow us on Twitter: https://twitter.com/3g4gUK Follow us on Linkedin: https://www.linkedin.com/company/3g4g ©3G4G

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