US 11,703,586 B2
Position accuracy using sensor data
Gautam Nirula, San Jose, CA (US); and William Morrison, San Francisco, CA (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on Mar. 11, 2021, as Appl. No. 17/198,560.
Prior Publication US 2022/0291373 A1, Sep. 15, 2022
Int. Cl. G01S 13/86 (2006.01); G01S 19/07 (2010.01); G01S 13/89 (2006.01); G01S 19/10 (2010.01)
CPC G01S 13/867 (2013.01) [G01S 13/865 (2013.01); G01S 13/89 (2013.01); G01S 19/071 (2019.08); G01S 19/10 (2013.01)] 46 Claims
OG exemplary drawing
 
1. A method for determining a position estimate of a mobile device, comprising:
obtaining sensor information;
detecting one or more identifiable features in the sensor information;
determining a range to at least one of the one or more identifiable features;
obtaining coarse map information;
determining a location of the at least one of the one or more identifiable features based on the coarse map information; and
determining the position estimate for the mobile device based at least in part on the range to the at least one of the one or more identifiable features.