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Impact of Stochastic Traffic Characteristics on Effective Capacity in CDMA Networks

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3 Author(s)
Hongxia Sun ; Department of Computer Science, University of Calgary, Calgary, AB, Canada T2N 1N4. Email: sunh@cpsc.ucalgary.ca ; Qian Wu ; Carey Williamson

In this paper, a comprehensive system model is built to evaluate system performance for data services in CDMA networks. Unlike traditional analyses, we model both system capacity and traffic demands using stochastic processes. Call-level simulation is conducted based on the proposed analytical model. The simulation results show that stochastic traffic characteristics can affect the system performance significantly. Traffic correlation is beneficial for the same system load level. Moreover, the simulation results illustrate that using a simple activity factor to model the traffic process can cause capacity over estimation

Published in:

Proceedings. 2006 31st IEEE Conference on Local Computer Networks

Date of Conference:

14-16 Nov. 2006