发明名称 |
ACQUISITION OF NAVIGATION ASSISTANCE INFORMATION FOR A MOBILE STATION |
摘要 |
Navigation assistance information for a mobile station is acquired based on a feature descriptor of an image of a visual beacon captured by the mobile station. The navigation assistance information includes locations of neighboring visual beacons, locations of wireless positioning resources; user environmental context information. The navigation assistance information may then be used to assist in navigating within the local environment. The visual beacon may be an artificial feature, such as a QR code or other type of matrix or bar code or a natural feature, such as a statute or architectural detail. The mobile station may request navigation assistance by transmitting the feature descriptor to a server. The server retrieves the navigation assistance information from a database based on the feature descriptor and optionally location information, which may also be provided in the navigation assistance request, and transmits the navigation assistance information to the mobile station. |
申请公布号 |
WO2011156792(A1) |
申请公布日期 |
2011.12.15 |
申请号 |
WO2011US40098 |
申请日期 |
2011.06.10 |
申请人 |
QUALCOMM INCORPORATED;DO, JU-YONG;FARMER, DOMINIC, GERARD |
发明人 |
DO, JU-YONG;FARMER, DOMINIC, GERARD |
分类号 |
G01S5/02;G01C21/20 |
主分类号 |
G01S5/02 |
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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