#Polaris Wireless, Inc.

Estimation of Barometric Pressure Measurement Bias by Compensating for Environment-Related Effects

A method for estimating the pressure measurement bias of a barometric sensor in a wireless terminal. A location engine using the method generates an enhanced estimate of the measurement bias. The loca…

DRIVE·Nov 25·2 min read

G01S19/48 Polaris Wireless, Inc.

Estimating the Elevation of a Wireless Terminal by Determining a Bias of Pressure Measurement from a Probability Distribution

A location engine that generates an estimate of the measurement bias of the pressure sensor in a wireless terminal. The estimate is determined from a probability distribution characterized as having a…

DRIVE·Nov 26·2 min read

G01C5/06 Polaris Wireless, Inc.

Detection of the Occurrence of an Event, Based On a Propagation Characteristic of a Pressure Wave

A technique for detecting the occurrence of an event, and for estimating other event-related information, by analyzing the barometric pressure in the vicinity of one or more wireless terminals. The di…

DRIVE·Jun 11·2 min read

H04W4/33 Polaris Wireless, Inc.