Patent ID: 9510152
Filing Date: 2016-11-29
CPC Classification: H04W

Claim Text:
1. A method for initiating radio signal measurements to determine mobile device location, the method comprising: determining a plurality of locations of at least one mobile device based on radio signal measurements initiated during a first time period; determining acceleration of the at least one mobile device at least between the plurality of locations based on sensor measurements performed during the first time period; determining at least one time interval between the plurality of locations of the at least one mobile device based on time stamps corresponding to the radio signal measurements initiated during the first time period; initiating radio signal measurements by a particular mobile device during a second time period; determining a first location of the particular mobile device based on the radio signal measurements by the particular mobile device initiated during the second time period; measuring acceleration by the particular mobile device during the second time period; determining when to initiate radio signal measurements by the particular mobile device to determine a second location of the particular mobile device based at least on the measured acceleration of the particular mobile device during the second time period, the determined plurality of locations of the at least one mobile device based on measurements initiated during the first time period, the at least one time interval between the plurality of locations of the at least one mobile device, and the determined acceleration of the at least one mobile device based on the sensor measurements performed during the first time period; and initiating radio signal measurements by the particular mobile device during the second time period to determine the second location of the particular mobile device.