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.
Patent No.:
Date of Patent:
Jun. 21, 2022
Filed:
Jul. 25, 2017
Zte Corporation, Shenzhen, CN;
Shilin You, Shenzhen, CN;
Hongjun Liu, Shenzhen, CN;
Jiyan Cai, Shenzhen, CN;
Zaifeng Zong, Shenzhen, CN;
Jin Peng, Shenzhen, CN;
Zhaoji Lin, Shenzhen, CN;
Yunyin Zhang, Shenzhen, CN;
ZTE Corporation, Shenzhen, CN;
Abstract
Embodiments of the prevent disclosure provide a network access authentication method and device. The method includes: receiving an authentication request message sent by a first serving network, the authentication request message carrying a user equipment alias identifier generated by user equipment; determining whether a local user equipment alias identifier is asynchronous with the user equipment alias identifier generated by the user equipment; and when the determination result is positive, obtaining an encrypted International Mobile Subscriber Identification Number IMSI for performing network access authentication on the user equipment.