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Universal frequency assignment protocol for trunked radio systems

  • US 5,020,130 A
  • Filed: 03/02/1988
  • Issued: 05/28/1991
  • Est. Priority Date: 03/02/1988
  • Status: Expired due to Term
First Claim
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1. In a communication system having:

  • a plurality of subscriber units;

    a system controller for assigning transmit and receive communication frequencies for use by at least some of said plurality of subscriber units, wherein said system controller transmits identifying information to at least some of said subscriber units, said identifying information is used by at least some of said subscriber units to determine assigned transmit and receive communication frequencies, an improvement comprising;

    said at least one system controller being constructed and arranged to send said identifying information, wherein said identifying information for said transmit communication frequency is included in a first word, and said identifying information for said received communication frequency is included in a second word; and

    at least some of said subscriber units are constructed and arranged to separately process said identifying information to separately determine said assigned transmit and receive communication frequencies.

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