90 likes | 197 Views
Nikolaos Frangiadakis Department of Informatics, University of Athens. Design and construction of a flexible and expandable model of the ATM based fixed part of UMTS for performance assessment of signalling and user data transfer protocols based on OPNET. SW. HLR. UMTS Environment. GATE.
E N D
Nikolaos Frangiadakis Department of Informatics, University of Athens Design and construction of a flexible and expandable model of the ATM based fixed part of UMTS for performance assessment of signalling and user data transfer protocols based on OPNET
SW HLR UMTS Environment GATE
HLR UMTS Environment SW GATE
Mobility Mobility Functionality ATM SWITCH Application Sig.Network Layer(SNL) AAL ATM Model Layers
The biggest model • 11 UMS / 11 MSCP nodes • 250Kb config information • 14 days to Run for 400 sec on a dedicated Sun Enterprise (233Mhz) • 1500 Machines • 50 Base Stations • 14 ATM Switches
MODEL Construction • OPNET simulation tool • Formal Description Techniques also used • Modular Construction • Flexibility • Expandability
Design and construction of a flexible and expandable model of the ATM based fixed part of UMTS for performance assessment of signalling and user data transfer protocols based on OPNET