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:
Aug. 30, 2016

Filed:

Jan. 10, 2014
Applicant:

Apple Inc., Cupertino, CA (US);

Inventors:

Muhammad A. Alam, San Jose, CA (US);

Giri Prassad Deivasigamani, San Jose, CA (US);

Gaurav Nukala, Santa Clara, CA (US);

Assignee:

Apple Inc., Cupertino, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04W 52/02 (2009.01); H04W 48/16 (2009.01); H04W 48/18 (2009.01);
U.S. Cl.
CPC ...
H04W 52/0254 (2013.01); H04W 48/16 (2013.01); H04W 52/0241 (2013.01); H04W 48/18 (2013.01); H04W 52/0251 (2013.01); H04W 52/0277 (2013.01); Y02B 60/50 (2013.01);
Abstract

Adaptive out-of-service search behavior by a wireless user equipment (UE) device. The UE may perform cellular communications according to a radio access technology (RAT). It may be determined that cellular service according to the RAT is not available. A search algorithm may be selected from at least two possible search algorithms. A search for cellular service according to the RAT may be performed according to the search algorithm. The various possible search algorithms may specify different ratios of time spent scanning for cellular service to time spent sleeping. The selected search algorithm may be chosen based on any or all of an estimated remaining battery life of the UE, a user activity level, user input, or various other considerations.


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