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Functions and Network Architecture
Functions of NEC MVNO-GW
- Path control
- Call control
- Broadband Packet Routing / Forwarding
- PDP type
- GGSN function : PPP, IPv4
- P-GW function : IPv4, IPv6, IPv4v6
- Virtual APN
- Handover
- QoS control
- Authentication
- Others
- Operation and Maintenance
- Roaming Connection
- IP address allocation / Coordination with external servers
- Interface
- S5, S8, SGi, Gn, Gp
Network Architecture
Abbreviations
BSC : Base Station Controller
BTS : Base Transceiver Station
eNB : evolved NodeB
GERAN : GSM/EDGE Radio Access Network
GGSN : Gateway GGSN Support Node
IMS : IP Multimedia Subsystem
LTE : Long Term Evolution
MME : Mobility Management Entity
RNC : Radio Network Controller
PCRF : Policy and Charging Rules Function
PDN : Packet Data Network
P-GW : PDN Gateway
PSTN : Public Switched Telephony Network
S-GW : Serving Gateway
SGSN : Serving GPRS Support Node
UTRAN : UMTS Terrestrial Radio Access Network
VoIP : Voice over IP
