A kind of satellite selection method of satellite navigation system

A kind of satellite selection method of satellite navigation system

  • CN 103,185,887 B
  • Filed: 12/27/2011
  • Issued: 07/06/2016
  • Est. Priority Date: 12/27/2011
  • Status: Active Grant
First Claim
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1. the satellite selection method of a satellite navigation system, described satellite navigation system is the Big Dipper 2 generation satellite navigation system, including GEO satellite and non-GEO satellite, the navigation message speed that described GEO satellite is broadcast is 500b/s, the navigation message speed of described non-GEO satellite is 50b/s, it is characterised in that preferentially chooses described non-GEO satellite and carries out acquisition and tracking, during resolving, if described non-GEO satellite number reaches positioning requirements namely carries out post processing;

  • When described non-GEO satellite number can not meet positioning requirements, GEO satellite described in acquisition and tracking, during resolving, if described non-GEO satellite and GEO satellite number sum reach positioning requirements namely carries out post processing.

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