Abstract
A model for the traffic handled by a local exchange is proposed which subdivides the total (aggregate) traffic into three components: mobile (e.g. gsm) long distance (i.e. national), and local (called others). The model takes into consideration the nature of the subscriber lines (business and residential), as well as the nature of the local exchange area (namely, exchange area income level and exchange area business activity). By using the detailed traffic information available for a number of local exchanges, the exchange-independent parameters for the three traffic components, as well as the classification categories for these local exchanges, are deduced. The estimation technique for traffic parameters is based on least mean squares, whereas classification for local exchange areas invokes expert system-like rules. The feasibility of the proposed approach is illustrated by applying it to a typical sector of the Greater Cairo Metropolitan area telephone network.
Published Version
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