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On the impact of the user's traffic characteristics on the outage probability in multi-service CDMA

Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

Published
Publication date2003
Host publicationIEEE CCECE 2003. Canadian Conference on Electrical and Computer Engineering, 2003.
EditorsG. Olivier, S. Pierre, V. K. Sood
Place of PublicationNew York
PublisherIEEE
Pages1585-1588
Number of pages4
ISBN (Print)0780377818
Original languageEnglish
Event15th IEEE Canadian Conference on Electrical and Computer Engineering - MONTREAL, Canada
Duration: 4/05/20037/05/2003

Conference

Conference15th IEEE Canadian Conference on Electrical and Computer Engineering
CountryCanada
Period4/05/037/05/03

Conference

Conference15th IEEE Canadian Conference on Electrical and Computer Engineering
CountryCanada
Period4/05/037/05/03

Abstract

In this paper we study the effect of traffic characteristics of the mobile users on the outage probability in multi-service CDMA. We use heavy tail distribution for the call durations instead of exponential distribution which is traditionally used. Then we show that the total received interference is asymptotically self-similar. Subsequently, using M/M/infinity modelling of access mechanism in CDMA cellular, we show that outage probability will increase due to self similarity in total interference. It shows that network designed with the Poisson assumption, will experience outage degradation when traffic has heavy tail call duration. Simulation results are also given and outage probability is shown to be increased compared to equivalent Poisson traffic.