Modeling and Simulation of an Aeronautical CSMA Subnetwork
February 2001
Brian T. Hung, The MITRE Corporation
ABSTRACT
This paper presents results of recent modeling and simulation of an aeronautical subnetwork using OPNET. This subnetwork uses multiple 25-kilohertz (kHz) channels in the 118-137 megahertz (MHz) Very High Frequency (VHF) band to provide data communications services between aircraft and ground facilities. It uses the Carrier Sense Multiple Access (CSMA) protocol to control access to the 25-kHz channel between the aircraft and a ground station. The main purpose of these simulations is to determine the performance of this subnetwork under various Aeronautical Operational Communications (AOC) and Air Traffic Services (ATS) application message traffic and aircraft loadings.
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