发明名称 |
SYSTEM FOR UTILIZING CELL INFORMATION TO LOCATE A WIRELESS DEVICE |
摘要 |
A system is described that utilizes the measured characteristics of a cell site or a plurality of cell sites (100, 102, 104) and the cellular identification to selectively provide a wireless device (118) with location aiding from a cellular network server (120). The system may include a basestation (106, 108, 110) located within the cell site, a cellular measurement unit located in the wireless device (118), and a database (214) containing positional assistance information corresponding to the characteristic information. The system may also include a processing unit in signal communication with the basestation and the database (214) and a positional determination unit in the wireless device (118).
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申请公布号 |
WO03024131(A8) |
申请公布日期 |
2003.08.21 |
申请号 |
WO2002US28823 |
申请日期 |
2002.09.10 |
申请人 |
SIRF TECHNOLOGY, INC.;PANDE, ASHUTOSH;GARIN, LIONEL, JACQUES |
发明人 |
PANDE, ASHUTOSH;GARIN, LIONEL, JACQUES |
分类号 |
G01S19/46;G01C21/20;G01C21/28;G01S1/00;G01S5/02;G01S19/06;G01S19/25;H04B7/185;H04W64/00;(IPC1-7):H04Q7/20;G01C21/26 |
主分类号 |
G01S19/46 |
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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