发明名称 |
PREDICTION REFRESH METHOD FOR EPHEMERIS EXTENSIONS |
摘要 |
Systems, methods and devices for using ephemeris data in GNSS receivers and systems are provided. Receivers using synthetic ephemeris data for longer ephemeris availability under poor reception conditions are updated using a variety of techniques that allow for the transfer of accurate information onto degraded synthetic ephemeris information.
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申请公布号 |
US2013257648(A1) |
申请公布日期 |
2013.10.03 |
申请号 |
US201313904152 |
申请日期 |
2013.05.29 |
申请人 |
QUALCOMM INCORPORATED |
发明人 |
GARIN LIONEL;GUPTA PRAMOD;VENKATRAMAN SAI PRADEEP |
分类号 |
G01S19/25;G01S19/42;G01S19/23 |
主分类号 |
G01S19/25 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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