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:
Oct. 05, 2021

Filed:

Jul. 17, 2019
Applicant:

Mediatek Inc., Hsinchu, TW;

Inventors:

Guan-Jie Huang, Hsinchu, TW;

Tzu-Wen Chang, Hsinchu, TW;

Kuan-Wei Chen, Hsinchu, TW;

Yu-Hua Huang, Hsinchu, TW;

Teng Ma, Shanghai, CN;

Sheng-Kai Chang, Hsinchu, TW;

Assignee:

MEDIATEK INC., Hsinchu, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 36/00 (2009.01); H04W 8/08 (2009.01); H04W 76/19 (2018.01); H04W 76/27 (2018.01); H04W 68/00 (2009.01); H04W 36/14 (2009.01); H04W 36/24 (2009.01);
U.S. Cl.
CPC ...
H04W 36/00837 (2018.08); H04W 8/08 (2013.01); H04W 36/0079 (2018.08); H04W 36/14 (2013.01); H04W 36/24 (2013.01); H04W 68/005 (2013.01); H04W 76/19 (2018.02); H04W 76/27 (2018.02);
Abstract

A communications apparatus communicating with at least one cellular network includes a radio transceiver and a processor. The radio transceiver is capable of transmitting or receiving wireless radio frequency signals to or from an air interface in the cellular network. The processor is configured to determine whether an inter-RAT change will be triggered in a subsequent procedure when the communications apparatus is in a connected mode. When the processor determines that an inter-RAT change procedure will be triggered, the processor is configured to selectively perform a predetermined procedure instead of the subsequent procedure to avoid the inter-RAT change.


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