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Compensation for frequency adjustment in mobile communication-positioning device with shared oscillator

  • US 6,724,342 B2
  • Filed: 04/19/2002
  • Issued: 04/20/2004
  • Est. Priority Date: 04/19/2002
  • Status: Expired due to Term
First Claim
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1. In a mobile communication device, a method for compensating for a frequency adjustment in an oscillator shared between a communication circuit and a positioning signal receiver, comprising:

  • at a first point in time, beginning receiving a positioning signal received into the positioning signal receiver;

    at a second time point, adjusting a frequency of the oscillator;

    recording a frequency adjustment of the oscillator;

    at a third time point, completing receiving the positioning signal into the positioning signal receiver; and

    processing the positioning signal, taking into consideration the frequency adjustment.

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