Smart repeater system for communications interoperability during multiagency law enforcement operations

Richard I. Crutcher; R. W. Jones; Michael R. Moore; S. F. Smith; Alan L. Tolley; Robert W. Rochelle

doi:10.1117/12.266741

18 February 1997 Smart repeater system for communications interoperability during multiagency law enforcement operations

Richard I. Crutcher, R. W. Jones, Michael R. Moore, S. F. Smith, Alan L. Tolley, Robert W. Rochelle

Author Affiliations +

Proceedings Volume 2938, Command, Control, Communications, and Intelligence Systems for Law Enforcement; (1997) https://doi.org/10.1117/12.266741
Event: Enabling Technologies for Law Enforcement and Security, 1996, Boston, MA, United States

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.

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Richard I. Crutcher, R. W. Jones, Michael R. Moore, S. F. Smith, Alan L. Tolley, and Robert W. Rochelle "Smart repeater system for communications interoperability during multiagency law enforcement operations", Proc. SPIE 2938, Command, Control, Communications, and Intelligence Systems for Law Enforcement, (18 February 1997); https://doi.org/10.1117/12.266741

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KEYWORDS

Telecommunications

Transmitters

Receivers

Computer programming

Antennas

RF communications

Prototyping

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