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  • 标题:Internet Traffic Modeling and Capacity Evaluation in UMTS
  • 本地全文:下载
  • 作者:Jahangir Dadkhah Chimeh ; Mohammad Hakkak ; Paeiz Azmi
  • 期刊名称:International Journal of Hybrid Information Technology
  • 印刷版ISSN:1738-9968
  • 出版年度:2008
  • 卷号:1
  • 期号:2
  • 出版社:SERSC
  • 摘要:UMTS (Universal Mobile Telecommunications System) can be connected to the datanetworks. So Internet traffic services such as WWW browsing, email, ftp, SMTP (Simple MailTransfer Protocol) should be handled by UMTS. Each of the traffic services has some specificproperties but all of them obey a basic ON/OFF model. For a specific traffic user there issome unused (OFF) times between transmitted packets which we may use them for otherservices. In this paper based on the offered traffic services, models and parameters presentedin 3GPP (3th Generation Partnership Project) we calculate ON and OFF time durations ofthe above traffic services in some different data rates, then calculate their correspondingactivity factors. Finally we survey their impacts on the UMTS capacity and users. Simulationshowed that the number of packet traffic users could be increased in comparison with circuitswitch voice traffic users because they have lower Erlang traffic figures
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