Patent ID: 9661473
Date: 2017-05-23
CPC Classifications: H04W

Claim:
1. A mobile device, comprising: a processor; a wireless transceiver; at least one location sensor comprising a global navigation satellite system (GNSS) receiver, the wireless transceiver, an infrared transceiver, an ultrasonic transceiver or a near-field communication (NFC) receiver, or one or more pedestrian dead reckoning (PDR) sensors, or any combination thereof; and memory comprising a floor-plan of a venue, wherein the processor is configured to: obtain multiple location data sets representing respective different instants from the at least one location sensor of the mobile device; for each of the multiple location data sets, is derived from the floor-plan; wherein the plurality of obstacle indication values for the multiple location data sets include: for the plurality of hypothetical locations, each MFP score including a respective measure of proximity of at least some of obstacles in the floor-plan to a respective hypothetical location, or the cardinal axes being approximately parallel to, or perpendicular to, at least one edge of at least one obstacle in the portion of the floor-plan.