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Communications system enabling radio link access for non-trunked radio units to a multifrequency trunked two-way communications systems

  • US 4,553,262 A
  • Filed: 11/25/1983
  • Issued: 11/12/1985
  • Est. Priority Date: 11/25/1983
  • Status: Expired due to Term
First Claim
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1. An improved multifrequency trunked, two-way radio communication system selectively operating on an assigned one of a predetermined number of information channels and wherein in such system one or more non-trunked single fixed channel radio units may be provided access to the trunked system, comprising:

  • a trunked controller;

    a plurality of trunked remote stations having means to request a channel assignment from said trunked controller and means responsive to an assigned channel signal to operate on said channel;

    said trunked controller having means to assign a channel to a requesting trunked remote station and means for truncating said remote station channel assignment;

    a plurality of non-trunked remote stations operating on a separate single channel; and

    a radio access link having means for receiving transmissions on said separate single channel from any of said non-trunked remote stations and means to request a channel assignment from said trunked controller in response thereto, and in response to a received assigned channel signal from said trunked controller to permit said plurality of non-trunked remote stations to operate on said assigned channel in the same manner as said plurality of trunked remote stations.

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