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:
May. 19, 2020

Filed:

Oct. 02, 2018
Applicant:

Mediatek Inc., Hsin-Chu, TW;

Inventors:

Ming Lee, Taichung, TW;

Feng-Mao Chan, Taipei, TW;

Assignee:

MEDIATEK INC., Hsin-Chu, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 36/00 (2009.01); H04W 76/27 (2018.01); H04W 4/24 (2018.01); H04J 11/00 (2006.01); H04W 48/18 (2009.01); H04W 72/10 (2009.01); H04W 88/06 (2009.01);
U.S. Cl.
CPC ...
H04W 36/0022 (2013.01); H04J 11/00 (2013.01); H04W 4/24 (2013.01); H04W 48/18 (2013.01); H04W 72/10 (2013.01); H04W 76/27 (2018.02); H04M 2215/2026 (2013.01); H04W 88/06 (2013.01);
Abstract

A mobile communication device and method including a wireless transceiver and a controller is provided. The wireless transceiver performs wireless transmission and reception to and from an advanced network and a legacy network. The controller receives a message from the advanced network via the wireless transceiver for redirecting the mobile communication device from the advanced network to the legacy network in response to a request for a call, searches for a suitable cell in the legacy network via the wireless transceiver in response to receiving the message, and camps on the suitable cell for making the call via the wireless transceiver regardless of the suitable cell being of a low priority and whether there is another suitable cell of a normal priority or not.


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