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Performance Evaluation of Handoff Queuing Schemes

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3 Author(s)
Ahmed, M.A. ; Dept. of Electr. Eng., King Khalid Univ., Abha, Saudi Arabia ; Ibrahim, N.M. ; El-Tamally, H.H.

One of the main advantages of new wireless systems is the freedom to make and receive calls anywhere and at any time; handovers are considered a key element for providing this mobility. This paper presents the handoff queuing problem in cellular networks. We propose a model to study three handoff queuing schemes, and provide a performance evaluation of these ones. The paper begin by a presentation of the different handoff queuing scheme to evaluate. Then, gives an evaluation model with the different assumption considered in the simulations. The evaluation concerns the blocking probability for handoff and original calls. These simulations are conducted for each scheme, according to different offered loads, size of call (original and handoff) queue, and number of voice channels. A model is proposed and introduced in this paper for the study of three channel assignment schemes; namely, they are the non prioritized schemes (NPS), the original call queuing schemes, and the handoff call queuing schemes.

Published in:

Communication Software and Networks, 2010. ICCSN '10. Second International Conference on

Date of Conference:

26-28 Feb. 2010