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Developing Communications Traffic Profiles for the Mobile User Objective Satellite System

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The Navy Communications Satellite Program Office PMW-146 has overall responsibility for executing the procurement of the Navys communications satellites. The Navy plans to replace the current Ultra High Frequency Follow-On UFO satellite constellation with a new narrowband system called the Mobile User Objective System MUOS starting in 2007. In order to acquire a system that has adequate but not excessive capacity, the MUOS program requires knowledge of satellite access demand to a level of detail sufficient to determine scenario based capacity requirements. To detail these requirements, a Defense Information Systems Agency DISA and support contractor team developed and demonstrated a capability to generate anticipated MUOS satellite access demand for a potential user subset. This subset consisted of a Navy Carrier Battle Group CVBG operating in a Southwest Asia major theater war MTW scenario. By using the Emerging Requirements Data Base ERDB as a basis for developing Information Exchange Requirements IERs, traffic profiles were developed based on how Warfighters are expected to use MUOS in actual combat situations. The use of a scenario, the development IERs from the ERDB, the utilization of an automated traffic generation tool tied to a relational data base, and the employment of a domain expert panel were all essential elements of the effort. Within a ten hour period, the team was able to produce 20,472 records transmissions representative of a Navy CVBG employing 18 MUOS networks defined in the ERDB. Analysis of the results revealed some networks with apparent excess throughput requirements and others that may not be sufficient to meet anticipated Warfighter demands.

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  • Unmanned Spacecraft
  • Radio Communications

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