Monday, November 23, 2009

Simplified UMTS network architecture

Figure 1 shows simplified UMTS network architecture.
Simplified UMTS network architecture
Figure 1. Simplified UMTS network architecture.

Note: Not all nodes and interfaces are included in this picture.

Abbreviations used in the picture:
RNC - Radio Network Controller
MSC - Mobile Switching Center
Ue - User Equipment
SGSN - Serving Gprs Support Node
PDN - Packet Data Network
PSTN - Public Switched Telephony Network

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