发明名称 |
METHOD AND APPARATUS FOR FAST TTFF |
摘要 |
A data model is built using satellite ephemeris data collected over an extended period of time, allowing generation on a server of very precise orbital parameters preferably using a force or numerical method. These orbital parameters are stored in a mobile device. When a First Fix is required by a GNSS system within the mobile device, these stored orbital parameters are used to rapidly generate accurate satellite trajectory data model without requiring access to a broadcasted ephemeris or a network connection. The stored orbital parameters may be modified in part or in whole as required by changing coefficients of the stored parameters. |
申请公布号 |
WO2011137755(A1) |
申请公布日期 |
2011.11.10 |
申请号 |
WO2011CN73738 |
申请日期 |
2011.05.06 |
申请人 |
MEDIATEK INC.;WENG, CHIN-TANG;YAU, WEI-GUAN |
发明人 |
WENG, CHIN-TANG;YAU, WEI-GUAN |
分类号 |
G01S1/00 |
主分类号 |
G01S1/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|