US 9,810,548 B2
Barometric calibration of user equipment
Fredrik Gunnarsson, Linköping (SE); Henrik Revsbech Dam, Copenhagen (DK); and Javier Muñoz Martin, Malaga (ES)
Assigned to TELEFONAKTIEBOLAGET L M ERICSSON (PUBL), Stockholm (SE)
Appl. No. 14/893,472
Filed by Telefonaktiebolaget L M Ericsson (publ), Stockholm (SE)
PCT Filed Jun. 17, 2013, PCT No. PCT/EP2013/062502
§ 371(c)(1), (2) Date Nov. 23, 2015,
PCT Pub. No. WO2014/202111, PCT Pub. Date Dec. 24, 2014.
Prior Publication US 2016/0109259 A1, Apr. 21, 2016
Int. Cl. G01C 5/06 (2006.01); G01C 25/00 (2006.01); H04W 4/02 (2009.01)
CPC G01C 25/00 (2013.01) [G01C 5/06 (2013.01); H04W 4/02 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A method of providing barometric calibration data to a given user equipment in a mobile communications network, the method comprising:
a network node receiving a respective calibration request from each one of a plurality of user equipments, the plurality of user equipments including the given user equipment,
establishing at least one subset of the plurality of user equipments which includes the given user equipment based on the calibration requests,
determining the barometric calibration data for the established at least one subset, and
sending the barometric calibration data at least to the given user equipment.