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Simulation and Analysis of QoS Video Conference through IMS Interworking Network – UMTS

Haider M. Turki AL Hilfi and Emad Alnawafa
Dep. Telecommunication, Faculty of Electronics, Telecommunication & Information Technology, University ‘Polytechnic’ of Bucharest, Romania
Abstract—In this article, video conferencing over IMS - UMTS network is simulated using OPNET modeler 14.5 software and analyzed for the required QoS. The model used is the Integrated Services (IntServ) model to observe IMS and Differentiated Service (DiffServ) architecture to observe the relationship between IMS and UMTS. The simulation is run for different combination of users (8, 16 and 32) users with different simulation time such as (200, 400 and 600) seconds. From the results, it is observed that IntServ architecture produced the largest average value of 26.754 Mbit /s for the throughput, E2E delay of 233.178 ms, and jitter of 0.084 ms. The DiffServ model produced a throughput of 8,595 Mbit / s, E2E delay of 164,249 ms, and jitter of 0.599 ms. Packet loss is found to be less than 0.95% in both the architectures. It is inferred that according to ITU-T G-114 standard, the average performance parameter values in both the models are acceptable.
 
Index Terms—IMS, UMTS, IntServ, DiffServ, Video conference.

Cite: Haider M. Turki AL Hilfi and Emad Alnawafa, "Simulation and Analysis of QoS Video Conference through IMS Interworking Network – UMTS," Journal of Communications, vol. 13, no. 11, pp. 661-666, 2018. Doi: 10.12720/jcm.13.11.661-666
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