US 11,800,393 B2
Cell map built and used by mobile devices
Hsin Fu Henry Chiang, Bellevue, WA (US); and Ming Shan Kwok, Seattle, WA (US)
Assigned to T-Mobile USA, Inc., Bellevue, WA (US)
Filed by T-Mobile USA, Inc., Bellevue, WA (US)
Filed on Dec. 28, 2022, as Appl. No. 18/90,349.
Application 18/090,349 is a continuation of application No. 16/693,065, filed on Nov. 22, 2019, granted, now 11,546,789.
Prior Publication US 2023/0164611 A1, May 25, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H04W 24/10 (2009.01); H04W 4/029 (2018.01); H04B 17/318 (2015.01); H04W 16/24 (2009.01); G01S 19/51 (2010.01); H04W 88/06 (2009.01)
CPC H04W 24/10 (2013.01) [G01S 19/51 (2013.01); H04B 17/318 (2015.01); H04W 4/029 (2018.02); H04W 16/24 (2013.01); H04W 88/06 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A computer-implemented method comprising:
accessing cell information that is stored in memory of a mobile device, the cell information including a known list of frequencies to include in a measurement report;
determining that a current Global Positioning System (GPS) location of the mobile device matches a geolocation specified in the cell information;
determining and from the cell information, a first frequency associated with a cell that has been observed from the geolocation;
performing a first radio signal scan at the first frequency to measure a signal strength of a radio signal from the cell based at least in part on the first frequency being included in the known list of frequencies, wherein the performing of the first radio signal scan occurs in response to a one or more criteria being satisfied, the one or more criteria comprising at least one of:
determining that the mobile device is in idle mode, or
determining that network bandwidth consumption of the mobile device is less than or equal to a threshold network bandwidth consumption value;
refraining from performing a second radio signal scan at a second frequency based at least in part on determining that the second frequency is not included in the known list of frequencies; and
storing in the memory of the mobile device, measurement information that includes at least the signal strength.