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Random access in mobile radio telephone systems

  • US 5,430,760 A
  • Filed: 04/04/1994
  • Issued: 07/04/1995
  • Est. Priority Date: 04/10/1992
  • Status: Expired due to Term
First Claim
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1. A method for minimizing co-channel interference caused by radio communications initiated between at least one of a plurality of first radio stations and a second radio station, comprising the steps of:

  • communicating from said at least one of a plurality of first of radio stations to said second radio station using the same radio frequency subject to co-channel interference;

    transmitting from said at least one first radio station an access message at a relatively low power level;

    determining whether said access message has been detected by said second radio station;

    retransmitting said access message at an increased power level until said access message is detected; and

    upon detecting said access message, transmitting power setting information including a specific power increase quantity for said first station from said second station.

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