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:
Sep. 30, 2014

Filed:

May. 18, 2013
Applicant:

Qualcomm Incorporated, San Diego, CA (US);

Inventors:
Assignee:

QUALCOMM Incorporated, San Diego, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/38 (2006.01); H04W 88/06 (2009.01);
U.S. Cl.
CPC ...
H04B 1/3816 (2013.01); H04W 88/06 (2013.01);
Abstract

Methods, systems and devices are providing for managing quad SIM functionality on a mobile device. The method includes maintaining active in a data traffic state on a first radio frequency (RF) chain of the mobile device a first subscription of a first SIM. Also, maintaining active in a slotted idle state each of a second SIM subscription, a third SIM subscription and a fourth SIM subscription on a second RF chain of the mobile device. The slotted idle states enabling the subscriptions to monitor pages in their paging channel slots. The method may include switching the third and fourth subscriptions to the first RF chain in response to the second subscription exiting the slotted idle state. The first, subscription may operate with tune away support while the third and fourth subscriptions operate in slotted idle state together on the first RF chain.


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