Traffic and load modelling of an IP mobile network
Traffic and load modelling of an IP mobile network
- Author(s): H. Chebbo and M. Wilson
- DOI: 10.1049/cp:20030409
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- Author(s): H. Chebbo and M. Wilson Source: Fourth International Conference on 3G Mobile Communication Technologies, 2003 p. 423 – 427
- Conference: Fourth International Conference on 3G Mobile Communication Technologies
- DOI: 10.1049/cp:20030409
- ISBN: 0 85296 756 X
- Location: London, UK
- Conference date: 25-27 June 2003
- Format: PDF
The IMS is being introduced by the 3GPP as part of the third generation mobile system to provide multimedia services to the wireless users. The session initiation protocol (SIP) has been chosen by 3GPP as the call control protocol within IMS. This paper describes a modelling tool developed in Fujitsu Laboratories for an IP mobile operator network (also called reference network), based on the 3GPP standard. The objectives of the tool are: to perform system dimensioning to determine the number of physical entities required to support different traffic scenarios based on the number of subscribers and number of calls/sessions and to assess the performance impacts for different service control scenarios such as home network based control as in 3GPP standard or visited network based control as a possible network evolution. The tool is implemented in Excel and incorporates a traffic model, a SIP server model, a functional model, and a system model based on the estimated user activity. The tool also provides the flexibility to allow investigations of the impact of different control scenarios and the impact of parameters on the SIP servers. In addition, the tool also has the flexibility to study the effect of moving functionalities between the different IMS entities. This paper provides an overview of the modelling tool. A brief description of the traffic model is provided. Then the SIP server model, the functional model, and the system model are introduced.. Finally, the simulation scenarios, home based control and visited based control, and their corresponding results on IMS dimensioning and performance analysis are presented.
Inspec keywords: telecommunication network management; 3G mobile communication; multimedia communication; telecommunication traffic; mobile computing; telecommunication network planning; quality of service; modelling; telecommunication standards; protocols
Subjects: Network management; Computer communications; Mobile radio systems; Multimedia communications; Communication network design, planning and routing; Protocols
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