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Proceedings Paper

Smart repeater system for communications interoperability during multiagency law enforcement operations
Author(s): Richard I. Crutcher; R. W. Jones; Michael R. Moore; S. F. Smith; Alan L. Tolley; Robert W. Rochelle
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Paper Abstract

A prototype 'smart' repeater that provides interoperability capabilities for radio communication systems in multi-agency and multi-user scenarios is being developed by the Oak Ridge National Laboratory. The smart repeater functions as a deployable communications platform that can be dynamically reconfigured to cross-link the radios of participating federal, state, and local government agencies. This interconnection capability improves the coordination and execution of multi-agency operations, including coordinated law enforcement activities and general emergency or disaster response scenarios. The repeater provides multiple channels of operation in the 30-50, 118-136, 138-174, and 403-512 MHz land mobile communications and aircraft bands while providing the ability to cross-connect among multiple frequencies, bands, modulation types, and encryption formats. Additionally, two telephone interconnects provide links to the fixed and cellular telephone networks. The 800- and 900-MHz bands are not supported by the prototype, but the modular design of the system accommodates future retrofits to extend frequency capabilities with minimal impact to the system. Configuration of the repeater is through a portable personal computer with a Windows-based graphical interface control screen that provides dynamic reconfiguration of network interconnections and formats.

Paper Details

Date Published: 18 February 1997
PDF: 7 pages
Proc. SPIE 2938, Command, Control, Communications, and Intelligence Systems for Law Enforcement, (18 February 1997); doi: 10.1117/12.266741
Show Author Affiliations
Richard I. Crutcher, Oak Ridge National Lab. (United States)
R. W. Jones, Oak Ridge National Lab. (United States)
Michael R. Moore, Oak Ridge National Lab. (United States)
S. F. Smith, Oak Ridge National Lab. (United States)
Alan L. Tolley, Oak Ridge National Lab. (United States)
Robert W. Rochelle, Univ. of Tennessee (United States)


Published in SPIE Proceedings Vol. 2938:
Command, Control, Communications, and Intelligence Systems for Law Enforcement
Edward M. Carapezza; Donald Spector, Editor(s)

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