US Patent 10114123 Accuracy and performance of the hybrid positioning system
Patent 10114123 was granted and assigned to Skyhook Wireless on October, 2018 by the United States Patent and Trademark Office.
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The present disclosure relates to a method for determining the position of a WLAN positioning system (WPS) and satellite positioning system (SPS) enabled device. The method can include determining an initial WPS position of the device using WPS, calculating an error region around the initial WPS position of the device, dividing the error region into a plurality of points, obtaining satellite measurements from at least two satellites in view of the device, determining a variation in a receiver clock bias for each point within the error region based on the satellite measurements from at least two satellites, selecting the point with the lowest variation in the receiver clock bias, and determining whether or not to use the point with the lowest variation in receiver clock bias to refine the initial WPS position of the device.
US Patent 10114123 Accuracy and performance of the hybrid positioning system
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