A simulation model for traffic loading analysis is needed to aid the designers of landmobile
radio communication systems. In the past, our system designers have relied on
analytical solutions to perform traffic loading analysis. As our communication system
evolved and changed from a voice-only system, to a voice and data system, it became
apparent that the assumptions needed for an accurate Erlang C prediction were no longer
valid. Thus, the need for a simulation model was realized in order to better predict the
radio system's capacity to support a given traffic load.
This paper describes the process by which the simulation model was designed,
developed, and validated. The simulation modeling system was developed using systems
engineering methodologies. This document describes the need for a traffic analysis tool
and the development process followed, from conceptualization through test and
evaluation. An analysis package is also presented to show the verification and validation
of the simulation model. Recommendations and a summary conclude the discussion.
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