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:
Jan. 30, 2018

Filed:

Jun. 29, 2016
Applicant:

Huawei Technologies Co., Ltd., Shenzhen, Guangdong, CN;

Inventors:

Xiaobo Wu, Shanghai, CN;

Yangming Lv, Shanghai, CN;

Guobao Xi, Shanghai, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 4/00 (2009.01); H04W 60/00 (2009.01); H04W 8/02 (2009.01); H04W 36/00 (2009.01); H04W 8/06 (2009.01); H04W 48/18 (2009.01);
U.S. Cl.
CPC ...
H04W 60/005 (2013.01); H04W 8/02 (2013.01); H04W 8/06 (2013.01); H04W 36/0022 (2013.01); H04W 48/18 (2013.01);
Abstract

The present invention discloses an LTE network selection method. In a process of implementing CSFB combined registration, an MME of a Long Term Evolution LTE network sends a location area identity LAI to UE, where the LAI includes a PLMN identity of the LTE network, so that after a circuit switched fallback-based voice session ends, the UE preferably returns to the LTE network according to the PLMN identity.


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