Method and device for predicting gnss satellite trajectory extension data used in mobile apparatus

Method and device for predicting gnss satellite trajectory extension data used in mobile apparatus

  • CN 101,446,628 B
  • Filed: 11/03/2008
  • Issued: 05/08/2013
  • Est. Priority Date: 11/26/2007
  • Status: Active Grant
First Claim
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1. method that is used for prediction GLONASS (Global Navigation Satellite System) satellite trajectory extension data, the method is used in mobile device, and the method comprises:

  • Only receive the satellite navigation message of broadcasting;

    Satellite navigation message according to this acquisition is determined design conditions;

    Estimate a plurality of parameters of satellite trajectory forecast model according to satellite relevant information pre-stored in these design conditions and this mobile device;

    AndCalculate one group of satellite trajectory mark extension data by the satellite trajectory forecast model that uses this estimation.

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