Abstract
AbstractIn this paper, we present a call admission strategy for an Integrated Broadband Communication System serving two types of customers ‐ Narrowband and Broadband. Either one or both of the customer groups are assumed to have a finite number of sources (customers). The model involves a multidimensional state space, for which balance equations are derived. Since the system employs separated queues, one for each type of customer, multiple transitions can take place within the state space. Their probabilities have been derived analytically. Finally we compute the carried load and mean queue lenghts and compare these with separated one‐dimensional models. A quasi‐separation and a bandwidth‐ratio effect appears from graphs.
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