US 12,281,902 B2
Facility management based on cumulative device location data
C. Wayne Crolley, Bryant, AR (US)
Assigned to AT&T Intellectual Property I, L.P., Atlanta, GA (US)
Filed by AT&T Intellectual Property I, L.P., Atlanta, GA (US)
Filed on Oct. 25, 2022, as Appl. No. 17/972,799.
Application 17/972,799 is a continuation of application No. 16/836,416, filed on Mar. 31, 2020, granted, now 11,519,734.
Prior Publication US 2023/0045033 A1, Feb. 9, 2023
Int. Cl. G01C 21/20 (2006.01); G01C 5/06 (2006.01); G01S 19/45 (2010.01)
CPC G01C 21/206 (2013.01) [G01C 5/06 (2013.01); G01S 19/45 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system, comprising:
a processing system including a processor; and
a memory that stores executable instructions that, when executed by the processing system, facilitate performance of operations, the operations comprising:
obtaining position data of a plurality of mobile devices operating within a predetermined area;
generating a plurality of traces of movement of the plurality of mobile devices operating within the predetermined area;
comparing the plurality of traces of movement of the plurality of mobile devices with a map of the predetermined area to obtain a comparison; and
identifying a subspace of the predetermined area according to the comparison, wherein the identifying the subspace comprises generating a graphical representation of the predetermined area, generating a graphical representation of the plurality of traces of movement of the plurality of mobile devices within the predetermined area to obtain a plurality of tracks, and combining the graphical representation of the predetermined area and the plurality of tracks to obtain a combined graphical representation;
wherein the predetermined area comprises a building and wherein the subspace comprises a hidden room in the building.