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Processor-to-processor communications protocol for a public service trunking system

  • US 4,835,731 A
  • Filed: 08/14/1987
  • Issued: 05/30/1989
  • Est. Priority Date: 08/14/1987
  • Status: Expired due to Term
First Claim
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1. In a digitally trunked radio frequency repeater system of the type including plural RF repeater transceivers communicating via radio frequency channels with mobile radio transceivers, said repeater transceivers being controlled by a site controller which communicates control information with a dispatch console over a downlink, a method of operating said system comprising:

  • communicating digital control signals between said repeater RF transceivers and said mobile radio transceivers via said radio frequency channels using a synchronous serial communications protocol; and

    communicating digital control signals between said site controller and said dispatch console over a telephone line data link using said same synchronous serial communications protocol.

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