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<p><b>Abstract</b>—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.</p>
Dual band, GSM, handoff, macrocell, microcell, personal communications services.

R. Chen, Y. Lin and W. Lai, "Performance Analysis for Dual Band PCS Networks," in IEEE Transactions on Computers, vol. 49, no. , pp. 148-159, 2000.
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