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Call admission control for multimedia wireless networks providing integrated services is considered. Performance evaluation of the reserve channels CAC strategy with dynamic partitioning for a wireless cell serving three customer classes is carried out. Each customer class has different bandwidth and channel holding time requirements which correspond to voice, data and video respectively. The wireless cell serves newly arriving as well as customers handed over from nearby cells. A number of channels are dynamically reserved for the sole use of handoff customers to reduce the probability of handoff call dropping. A solution technique is developed and the performance of the system is obtained. It is found that new and handoff customers which require more channels for their service are blocked more. Also, server utilization is much improved when the arrival rate of higher bandwidth requiring customers is high.
Personal, Indoor and Mobile Radio Communications, 2004. PIMRC 2004. 15th IEEE International Symposium on (Volume:4 )
Date of Conference: 5-8 Sept. 2004