A system and method for provinding assistance data within a location network

A system and method for provinding assistance data within a location network

  • CN 1,833,178 A
  • Filed: 08/04/2004
  • Published: 09/13/2006
  • Est. Priority Date: 08/05/2003
  • Status: Active Application
First Claim
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1. one kind is used for providing auxiliary method at the position system of being made up of the synchronizing network of Global Navigation Satellite System (GNSS) and positioning-unit device for the position receiver, the synchronizing network of described positioning-unit device provides synchronizing network time and synchronizing network frequency, and described method comprises:

  • A) handle the Global Navigation Satellite System (GNSS) signal to determine auxiliary data in positioning-unit device, described auxiliary data comprises;

    I) the Global Navigation Satellite System (GNSS) signal is with respect to the time of arrival of described synchronizing network time;

    AndIi) the Global Navigation Satellite System (GNSS) signal is with respect to the frequency of described synchronizing network frequency;

    B) described definite auxiliary data is incorporated in the positioning signal that sends by described positioning-unit device,C) analyze described positioning signal at described position receiver, with;

    I) extract described definite auxiliary data;

    WithIi) determine described synchronizing network time and described synchronizing network frequency;

    D) in scope, at described position searcher receiver Global Navigation Satellite System (GNSS) signal corresponding to the auxiliary data of described extraction, described definite synchronizing network time and described synchronizing network frequency.

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