发明名称 |
METHOD AND APPARATUS FOR MANAGING TIME IN A SATELLITE POSITIONING SYSTEM |
摘要 |
<p>Method and apparatus for time management in a position location system is described. In one example, a time relation is received at a server. The time relation includes a relationship between an air-interface time of a base station and a satellite time for a satellite constellation from a first satellite positioning system (SPS) receiver. The time relation is then stored in the server. In another example, satellite time is determined at a first time for a satellite constellation at an SPS receiver. A time offset is determined between the satellite time and an air-interface time of a base station. The time offset is stored within the SPS receiver. A position of the SPS receiver is computed at a second time using satellite measurements and the stored time offset.</p> |
申请公布号 |
WO2005047922(A1) |
申请公布日期 |
2005.05.26 |
申请号 |
WO2004US36719 |
申请日期 |
2004.11.03 |
申请人 |
GLOBAL LOCATE, INC.;ABRAHAM, CHARLES;DE SALAS, JAVIER;MCMAHAN, DAVE |
发明人 |
ABRAHAM, CHARLES;DE SALAS, JAVIER;MCMAHAN, DAVE |
分类号 |
G01S19/23;G01S1/00;G01S19/33;(IPC1-7):G01S1/00 |
主分类号 |
G01S19/23 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|