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Performance analysis for dual band PCS networks

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3 Author(s)
Yi-Bing Lin ; Dept. of Comput. Sci. & Inf. Eng., Nat. Chaio Tung Univ., Hsinchu, Taiwan ; Wei-Ru Lai ; Chen, R.-J.

In a dual band personal communications services (PCS) network, heavy traffic areas are covered by microcells which overlay macrocells. In such a network, microcells and macrocells utilize different frequency bands. We propose an analytic model to study the performance of a dual band PCS architecture. Our model assumes that a PCS subscriber has a general residence time distribution in a microcell and the macrocell residence time distribution is derived from the microcell residence time distribution. An iterative algorithm is used to compute the overflow traffic from a microcell to its overlaid macrocell. Then, the call incompletion probability is computed by a macrocell model based on the overflow traffic. Our study indicates that the variance of the microcell residence time distribution and the number of microcells covered by a macrocell have significant effects on the call incompletion probability

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Computers, IEEE Transactions on  (Volume:49 ,  Issue: 2 )