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. 29, 2015

Filed:

Mar. 28, 2013
Applicant:

Marvell World Trade Ltd., St. Michael, BB;

Inventors:

Jihwan P. Choi, Daegu, KR;

Jiwon S. Han, San Ramon, CA (US);

Hui-Ling Lou, Sunnyvale, CA (US);

Assignee:

Marvell World Trade Ltd., St. Michael, BB;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04W 36/00 (2009.01); H04W 48/18 (2009.01); H04W 60/04 (2009.01);
U.S. Cl.
CPC ...
H04W 36/0005 (2013.01); H04W 48/18 (2013.01); H04W 60/04 (2013.01);
Abstract

A method includes performing a handover for a mobile device between first and second RAT networks. The first RAT network has a tracking area. The second RAT network has a routing area. Idle mode signaling reduction is activated in the mobile device including activating first and second timers respectively for the first and second RAT networks. In response to either one of the first and second timers expiring, a tracking or routing area update is sent to a first base station. The first base station is in the first RAT network or the second RAT network. The first timer is reset while the second timer maintains a set offset from the first timer. The tracking area update indicates that the mobile device has performed a handover to the first RAT network. The routing area update indicates that the mobile device has handed over to the second RAT network.


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