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IMS RADIO NETWORK AFFILIATES DOWNLOAD
Comparison has been made on the basis of response time and download time for web browsing and FTP applications.
To compare the effect of using IMS, different scenarios with and without IMS have been simulated in OPNET Modeler 14. In this paper, integrating architecture has been implemented by two methods named as loose coupling and tight coupling. The main purpose of using IMS is to minimize the delay incurred during the hand off process and also the authentication, authorization, and accounting (AAA) process servers are inbuilt in its architecture. IMS enables the user to switch from one network to another without interrupting a call. This paper focuses on implementing integrated UMTS–WLAN architecture using IP multimedia subsystem (IMS) as an intermediate network. It means integration of these services can provide higher speed wireless data services with ubiquitous connectivity. Integrating both the networks will be helpful in making use of all the features simultaneously WLAN networks provide higher data rate but cover smaller areas, while UMTS offers better connectivity with low-speed data rates and also covers larger areas at a time. UMTS and WLAN are two different types of networks with varying specifications. Integration of different networks in real-time scenario can provide more benefits related to speed, bandwidth, and connectivity.
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