Simulation and Analysis of Call Admission Control Mechanisms for Third-Generation 3G UMTS Mobile Networks

• Anna Izabel J. Tostes PUCMG
• Fátima de L. P. Duarte Figueiredo PUCMG

Abstract

CAC-RD is an UMTS 3G network Call Admission Control (CAC) based on channels reservation and network diagnosis. Its commitment is to avoid, as much as possible, new calls and handover blockings, ensuring QoS to active calls. The development and the simulation of CAC-RD were conducted in two stages: (1) CAC-RD Version 1; (2) CAC-RD Version 2. Results show that CAC-RD Version 2 is better then other CACs in relation to better performance and higher network availability with QoS guarantee.

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Tostes, A. I. J., Storck, C. R., Duarte-Figueiredo, F. L. P (2009). CAC-RD: An UMTS Call Admission Control. Journal of Telecommunication Systems (accepted).