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Method and apparatus for dynamically adjusting a battery saving interval in a messaging system

  • US 6,138,032 A
  • Filed: 05/28/1997
  • Issued: 10/24/2000
  • Est. Priority Date: 08/12/1996
  • Status: Expired due to Term
First Claim
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1. A method of applying a dynamic adjustment to a battery saving interval utilized for communicating with a portable subscriber unit in a radio communication system which employs a protocol having a transmission cycle comprising a plurality of frames, the method comprising the steps of:

  • observing an occurrence of a predetermined triggering event associated with the portable subscriber unit; and

    adjusting a number of frames during which the portable subscriber unit will battery save when next operating in a battery saving mode in response to the predetermined triggering event, while leaving battery saving intervals of other portable subscriber units in the system unchanged, wherein said number of frames during which the portable subscriber unit will battery save when next operating in a battery saving mode is adjusted in response to at least one of;

    whether a message type to be sent to the portable subscriber unit is voice, as opposed to data;

    an elapsed time being less than a predetermined amount, said elapsed time being that between a prior message received by the portable subscriber unit and a message currently queued for the portable subscriber unit;

    a priority level associated with the message;

    detecting a transmission of a negative acknowledgement (NAK) from the portable subscriber unit; and

    communication requirements for running an application program in the portable subscriber unit when the application program is started and stopped.

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