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Method for standard positioning service and precise positioning service cooperative operation

  • US 6,934,631 B2
  • Filed: 08/13/2003
  • Issued: 08/23/2005
  • Est. Priority Date: 08/13/2003
  • Status: Expired due to Term
First Claim
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1. A method for standard positioning service (SPS) and precise positioning service (PPS) cooperative operation comprising:

  • a) receiving a positioning signal;

    b) acquiring a PPS data portion of the positioning signal with a PPS receiver;

    c) outputting a portion of the PPS data portion;

    d) receiving the portion of the PPS data portion with an SPS receiver; and

    e) processing the portion of the PPS data portion with the SPS receiver such that the operational capabilities of the SPS receiver are functional when the SPS receiver has not acquired an SPS portion of the positioning signal.

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