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Energy saving protocol for a communication system

  • US 5,128,938 A
  • Filed: 03/06/1991
  • Issued: 07/07/1992
  • Est. Priority Date: 03/03/1989
  • Status: Expired due to Term
First Claim
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1. In a communication system having at least one central station for allocating communication channels among a plurality of subscriber units, a method for temporarily deactivating at least one of the plurality of subscriber units from the central station comprising the steps of:

  • (a) determining which of the plurality of subscriber units should be temporarily deactivated to provide a deactivation subset of one or more subscriber units;

    (b) examining past communication activity of one or more subscriber units;

    (c) determining a time interval during which said deactivation subset should be deactivated, said determination being based on;

    (b1) examining past communication traffic activity of one or more of the subscriber units during a past period of time, said traffic activity including the amount of messages transmitted by or to each of the one or more subscriber units over a predetermined period of time;

    (b2) determining said time interval during which said deactivation subset should be deactivated; and

    ,(d) transmitting a code representing said time interval to said deactivation subset.

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