Patent ID: 9510149
Filing Date: 2016-11-29
CPC Classification: H04W

Claim Text:
1. A method of estimating a location within an area, comprising: determining a plurality of wireless signal signatures at a plurality of locations within the area, wherein each wireless signal signatures includes a characteristic of a plurality of wireless links between a device and a plurality of network access points at a one of the plurality of locations, wherein the characteristic includes a difference between a measured characteristic of the device and an average characteristic between the device and the plurality of network access points at the plurality of locations; receiving, by a network manager server, the plurality of wireless signal signatures; receiving, by the network manager server, a present wireless signal signature of a current device; estimating locations of the current device, comprising comparing a present wireless signal signature of the current device with the plurality of wireless signal signatures; and adaptively re-determining the plurality of wireless signal signatures based on at least one condition of a distributed wireless network that includes the plurality of network access points.