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Delay evaluation is very important for wireless network planning. We should provide enough resources (channels) for conveying the traffic load. Next generation wireless networks are all based on IP. In this path, voice will be changed to packet. In this paper we introduce a queuing model and a radio resource management algorithm which maximize the system throughput (users), then compute their delays...
Today wireless data communication is growing rapidly. In particular, multimedia and Internet communications by wireless systems are the most popular services. Also, the architecture of the wireless networks is varying to support such services better. In this paper, we review, a radio access system, UTRAN (UMTS Terrestrial Radio Access Network), focusing on the RLC (Radio Link Control) and MAC (Medium...
UMTS can be connected to data networks. So Internet traffic services such as WWW browsing, email, ftp, SMTP should be handled by UMTS. Each of the traffic services have some specific properties but all of them include a basic ON/OFF model. For a traffic service there is some unused (OFF) times between their transmitted packets which we may use them for other services. In this paper based on the offered...
Mobile telecommunication new services are based on data networks specially Internet. These services include http, telnet, ftp, SMTP, etc. In addition we recognize that a mobile network is a multi-user network. Layer 3 of UMTS system provides call admission control and radio resource management. QoS can be guaranteed based on these modules. In order to have a suitable distribution of resources in a...
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