WI-FI FINGERPRINT LOCATION DATABASE CREATION AND UPDATE FROM CROWD SOURCED DATA

摘要

Disclosed herein are techniques to update a wireless fingerprint location database. According to such techniques, an update server updates a location database based on trajectories of a number of computing devices. The trajectories corresponding to sensor data collected by the computing devices, the sensor data including at least indication of RSSIs and inertial measurements. The RSSIs corresponding to wireless APs within an interior of a structure and represented in the location database.

主权项

1. An apparatus to update a wireless location database, the apparatus comprising:
a processing component; a trajectory consistency checker for execution by the processing component, the trajectory consistency checker to determine a set of consistent trajectories from a plurality of trajectories, each of the plurality of trajectories including an indication of a path through an interior of a structure based on a plurality of signal indicators, each of the plurality of signal indicators corresponding to one of a plurality a wireless access point in the interior of the structure; and a location signature database updater for execution by the processing component, the location signature database updater to update a location signature database corresponding to the interior of the structure based on the set of consistent trajectories, the location signature database including indications of a location of the plurality of wireless access points within the interior of the structure.