The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 07, 2020

Filed:

Feb. 10, 2018
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Jing Dai, White Plains, NY (US);

Ming Li, Elmsford, NY (US);

Milind R. Naphade, Fishkill, NY (US);

Sambit Sahu, Hopewell Junction, NY (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04W 52/02 (2009.01); G01S 19/34 (2010.01); G01S 19/47 (2010.01); G01S 19/48 (2010.01); H04W 4/30 (2018.01); H04W 4/02 (2018.01); H04W 48/16 (2009.01); H04M 1/24 (2006.01); H04M 1/725 (2006.01);
U.S. Cl.
CPC ...
H04W 52/0251 (2013.01); G01S 19/34 (2013.01); G01S 19/47 (2013.01); G01S 19/48 (2013.01); H04W 4/30 (2018.02); H04M 1/24 (2013.01); H04M 1/72572 (2013.01); H04M 2250/10 (2013.01); H04W 4/027 (2013.01); H04W 48/16 (2013.01); Y02D 70/164 (2018.01);
Abstract

A GPS-enabled cellular electronic device is operated in an indoor mode. An increase in strength of a cellular signal is detected at the GPS-enabled cellular electronic device. Responsive at least to the increase in cellular signal strength, the GPS-enabled cellular electronic device is transitioned to an outdoor testing mode. Detecting is carried out to determine whether movement of the GPS-enabled cellular electronic device occurs during the outdoor testing mode. If so, the GPS-enabled cellular electronic device is transitioned to an outdoor mode.


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