发明名称 |
METHODS AND SYSTEMS FOR ESTIMATING A USER POSITION IN A WLAN POSITIONING SYSTEM BASED ON USER ASSIGNED ACCESS POINT LOCATIONS |
摘要 |
A method of estimating a location of a WLAN-enabled user-device in a WLAN-based positioning system is provided. The WLAN-enabled device receives signals transmitted by WLAN-enabled access points in range of the WLAN-enabled user-device so that observed WLAN-enabled access points identify themselves. The method includes accessing a master database that associates WLAN-enabled access points with corresponding audited locations as determined by an audit of a relatively large geographic area and obtaining location information for any identified WLAN- enabled access point. The method includes accessing a supplemental database to obtain inferred location information corresponding to any identified WLAN-enabled access point. The supplemental database has a relatively small set of WLAN-enabled access points and corresponding inferred locations. The inferred locations are inferred based on input by a user of the WLAN-based positioning system. The method includes estimating a location of the WLAN-enabled user-device based on the audited location information and the inferred location information. |
申请公布号 |
EP1992179(A4) |
申请公布日期 |
2010.05.12 |
申请号 |
EP20070757413 |
申请日期 |
2007.02.23 |
申请人 |
SKYHOOK WIRELESS, INC. |
发明人 |
BRACHET, NICOLAS;ALIZADEH-SHABDIZ, FARSHID |
分类号 |
H04W64/00;G01S5/02 |
主分类号 |
H04W64/00 |
代理机构 |
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