James A. Hoffmeyer

Abstract: This report discusses the different types of interoperability requirements, summarizes several related research and development projects, and presents alternatives for aachieving interoperability between the Defense Communications System and the TRI-Service Tactical Communications System. These alternatives are evaluated, and a preferred alternative is recommended. The report concludes with brief tasking statements which are recommended to the U.S. Army Communications Systems Agency as the next steps in pursuing a research and development program for developing interoperability of the two systems at both the transmission subsystem level and at the end-to-end subscriber level. For transmission subsystem interoperability, emphasis is placed on the Digital European Backbone and Digital Radio and Multiplexer Acquisition portions of the European DCS.

Keywords: digital radio; DCS; DEB; Digital European Backbone; DRAMA; interoperability; multiplexer acquisition; TRI-TAC

Disclaimer: Certain commercial equipment, components, and software may be identified in this report to specify adequately the technical aspects of the reported results. In no case does such identification imply recommendation or endorsement by the National Telecommunications and Information Administration, nor does it imply that the equipment or software identified is necessarily the best available for the particular application or uses.

For questions or information on this or any other NTIA scientific publication, contact the ITS Publications Office at ITSinfo@ntia.gov or 303-497-3572.

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