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Apparatus and method for minimizing the turn on time for a receiver operating in a discontinuous receive mode

  • US 5,551,078 A
  • Filed: 07/29/1994
  • Issued: 08/27/1996
  • Est. Priority Date: 07/29/1994
  • Status: Expired due to Term
First Claim
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1. In a communication unit including a receiver that receives a signal including at least a first word block and a second word block, wherein each word block has a predetermined time duration, wherein each word block has desirable data words repeated therein, and wherein the receiver has a discontinuous receive mode of operation wherein the receiver is selectively turned on and off, a method for minimizing a turn on time for the receiver operating in the discontinuous receive mode, the method comprising the steps of:

  • turning on the receiver at a predetermined time prior to the arrival of each occurrence of the desirable data word;

    verifying the integrity of the desirable data word responsive to receiving a number of occurrences of the desirable data word;

    turning off the receiver for any remaining occurrences of the desirable data word within the predetermined time period responsive to the step of verifying the integrity of the desirable data word;

    determining a variable time period that the receiver will be turned off responsive to the number of occurrences of the desirable data word used in the step of verifying and the predetermined time period; and

    turning on the receiver at a time prior to the arrival of the second word block responsive to the variable time period.

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