SERVER FOR UPDATING LOCATION BEACON DATABASE
First Claim
1. A Wi-Fi location server, comprising:
- a database of Wi-Fi access points for at least one target area, said database being recorded in a computer-readable medium and including database records for Wi-Fi access points in the target area, each record including identification information for a corresponding Wi-Fi access point and calculated position information for the corresponding Wi-Fi access point, wherein said calculated position information is obtained from recording multiple readings of the Wi-Fi access point at different locations around the Wi-Fi access point so that multiple reading have reference symmetry relative to other Wi-Fi access points in the target area and so that the calculation of the position of the Wi-Fi access point has reduced arterial bias in the calculated position information; and
computer-implemented logic to add records to the database for newly-discovered Wi-Fi access points, said computer logic including logic to recalculate position information for Wi-Fi access points previously stored in the database based on position information for the newly-discovered Wi-Fi access points.
1 Assignment
0 Petitions
Accused Products
Abstract
A location beacon database and server, method of building location beacon database, and location based service using same. Wi-Fi access points are located in a target geographical area to build a reference database of locations of Wi-Fi access points. At least one vehicle is deployed including at least one scanning device having a GPS device and a Wi-Fi radio device and including a Wi-Fi antenna system. The target area is traversed in a programmatic route to reduce arterial bias. The programmatic route includes substantially all drivable streets in the target geographical area and solves an Eulerian cycle problem of a graph represented by said drivable streets. While traversing the target area, Wi-Fi identity information and GPS location information is detected. The location information is used to reverse triangulate the position of the detected Wi-Fi access point; and the position of the detected access point is recorded in a reference database.
-
Citations
1 Claim
-
1. A Wi-Fi location server, comprising:
-
a database of Wi-Fi access points for at least one target area, said database being recorded in a computer-readable medium and including database records for Wi-Fi access points in the target area, each record including identification information for a corresponding Wi-Fi access point and calculated position information for the corresponding Wi-Fi access point, wherein said calculated position information is obtained from recording multiple readings of the Wi-Fi access point at different locations around the Wi-Fi access point so that multiple reading have reference symmetry relative to other Wi-Fi access points in the target area and so that the calculation of the position of the Wi-Fi access point has reduced arterial bias in the calculated position information; and computer-implemented logic to add records to the database for newly-discovered Wi-Fi access points, said computer logic including logic to recalculate position information for Wi-Fi access points previously stored in the database based on position information for the newly-discovered Wi-Fi access points.
-
Specification