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Nikolaos Frangiadakis Department of Informatics, University of Athens

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.

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Nikolaos Frangiadakis Department of Informatics, University of Athens

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  1. 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

  2. SW HLR UMTS Environment GATE

  3. HLR UMTS Environment SW GATE

  4. Mobility Mobility Functionality ATM SWITCH Application Sig.Network Layer(SNL) AAL ATM Model Layers

  5. OPNET

  6. 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

  7. Results

  8. MODEL Construction • OPNET simulation tool • Formal Description Techniques also used • Modular Construction • Flexibility • Expandability

  9. 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

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