Mobility

Performance Analysis of Cellular Wireless Network by Queuing Priority Handoff Calls

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Executive Summary

In this paper, a mathematical model is proposed to estimate the dropping probabilities of cellular wireless networks by queuing hand-off instead of reserving guard channels. Usually, prioritized handling of hand-off calls is done with the help of guard channel reservation. To evaluate the proposed model, gamma inter-arrival and general service time distributions have been considered. Prevention of some of the attempted calls from reaching to the switching center due to electromagnetic propagation failure or whimsical user behaviour (missed call, prepaid balance etc.,), make the inter-arrival time of the input traffic to follow gamma distribution. The performance is evaluated and compared with that of guard channel scheme.

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