1 © NOKIA 2.7A_3G SGSN_EKu.ppt/ 09.10.2000/ KTa Nokia 3G Serving GPRS Support Node
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1 © NOKIA 2.7A_3G SGSN_EKu.ppt/ 09.10.2000/ KTa
Nokia 3G Serving GPRS Support Node
2 © NOKIA 2.7A_3G SGSN_EKu.ppt/ 09.10.2000/ KTa
Evolution from GSM to GPRS
HLR/AuC/EIR/SMSC HLR/AuC/EIR, SMSC MSC/VLR
PSTNNetwork
SS7Network
BTS BSC
SS7Network Operator
Services
BorderGateway (BG)
Serving GPRSSupport Node(SGSN)
Gateway GPRSSupport Node (GGSN)/ CheckPoint Firewall-1 / VPN
Charging Gateway (CG)
LocalAreaNetwork
Router/Firewall
Corporate Customer
Router/Firewall
Mobile ISP
Datanetwork
(Internet)
GPRSbackbonenetwork
(IP based)
Inter-PLMNnetwork
CustomerCare and Billing Network
Management
3 © NOKIA 2.7A_3G SGSN_EKu.ppt/ 09.10.2000/ KTa
Evolution from GPRS to 3G
Um
3G MSC/VLR
PSTNNetwork
SS7Network
BTS RNC
BorderGateway (BG)
Serving GPRSSupport Node(3G SGSN)
3G HLR/AuC/EIR, SMSC
Gateway GPRSSupport Node (GGSN)/ CheckPoint Firewall-1 / VPN
Charging Gateway (CG)
LocalAreaNetwork
Router/Firewall
Corporate Customer
Router/Firewall
Mobile ISP
Datanetwork
(Internet)
GPRSbackbonenetwork
(IP based)
Inter-PLMNnetwork
CustomerCare and Billing Network
Management
Operator Services
4 © NOKIA 2.7A_3G SGSN_EKu.ppt/ 09.10.2000/ KTa
The Nokia 3G SGSN
• Developed and optimised specifically for 3G mobile networks, principally UMTS
• Robust performance for the demands of high throughput and real-time 3G services
• Connects the 3G radio access network (RAN) with the 3G packet core network
• Supervises the usage of PLMN services and radio network resources
• Future-proof technology
5 © NOKIA 2.7A_3G SGSN_EKu.ppt/ 09.10.2000/ KTa
Essential to 3G mobile packet core
The Nokia 3G SGSN performs crucial tasks in the 3G network
Mobility Management
Session Management
Routing (best-routeselection)
Traffic statisticscollection
Interworking with 2G
Charging data collectionand generation
SMS delivery
5 © NOKIA 2.7A_3G SGSN_EKu.ppt/ 09.10.2000/ KTa
Essential to 3G mobile packet core
The Nokia 3G SGSN performs crucial tasks in the 3G network
Mobility Management
Session Management
Routing (best-routeselection)
Traffic statisticscollection
Interworking with 2G
Charging data collectionand generation
SMS delivery
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