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:
Mar. 05, 2019

Filed:

May. 31, 2017
Applicant:

Htc Corporation, Taoyuan, TW;

Inventor:

Te-Ming Chen, Taoyuan, TW;

Assignee:

HTC Corporation, Taoyuan, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 36/00 (2009.01); H04W 36/08 (2009.01); H04W 36/18 (2009.01); H04W 76/11 (2018.01); H04W 76/18 (2018.01); H04W 76/20 (2018.01); H04W 76/27 (2018.01); H04W 48/20 (2009.01);
U.S. Cl.
CPC ...
H04W 36/18 (2013.01); H04W 36/0055 (2013.01); H04W 36/08 (2013.01); H04W 76/11 (2018.02); H04W 76/18 (2018.02); H04W 76/20 (2018.02); H04W 76/27 (2018.02); H04W 48/20 (2013.01);
Abstract

A method of handling a RRC connection resume procedure between a NAS layer and a RRC layer of a communication device, comprising the RRC layer entering a RRC idle mode and camping on a first cell of a network; the NAS layer in a NAS idle mode with suspend indication transmitting a first request message to the RRC layer to resume a RRC connection; the RRC layer starting a timer and transmitting a first RRC connection resume request message to the network, after receiving the first request message from the NAS layer; the RRC layer reselecting a second cell of the network, when the timer is running; and the RRC layer informing the NAS layer a failure of resuming the RRC connection with a first suspend indication.


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