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.
Patent No.:
Date of Patent:
Dec. 05, 2017
Filed:
Jan. 08, 2016
Applicant:
Mediatek Inc., Hsin-Chu, TW;
Inventors:
Assignee:
MEDIATEK INC., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04W 4/22 (2009.01); H04W 72/10 (2009.01); H04W 48/14 (2009.01); H04W 76/00 (2009.01); H04W 76/02 (2009.01);
U.S. Cl.
CPC ...
H04W 4/22 (2013.01); H04W 48/14 (2013.01); H04W 76/007 (2013.01); H04W 76/027 (2013.01);
Abstract
A method for efficient wireless communications performed by a communications apparatus includes determining a cell according to a low priority list; and performing an attach procedure to try to attach to the cell for establishing an emergency call through the cell. The low priority list comprises information regarding a public land mobile network (PLMN) identity (ID), tracking area (TA) code, a cell ID and/or a closed subscriber group (CSG) ID of at least one attempted cell through which the communications apparatus has attempted but failed to establish an emergency call.