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Access method and terminal

An access method and terminal technology, applied in the field of communication, can solve the problem of the terminal being affected by a pseudo base station and the like

Active Publication Date: 2019-03-19
CHINA MOBILE COMM LTD RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] An object of the embodiments of the present invention is to provide an access method and a terminal to solve the problem that the terminal is affected by a fake base station

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  • Access method and terminal
  • Access method and terminal

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Embodiment Construction

[0044] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are the Some, but not all, embodiments are invented. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0045] The terms "comprising" and "having" and any variations thereof in the description and claims of the present invention are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or process comprising a series of steps or units. The apparatus is not necessarily limited to those steps or units explicitly listed, but may include other ste...

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Abstract

The embodiment of the present invention relates to an access method and a terminal. The method is applied to the terminal that can access a first network and a second network. The access priority of the first network is higher than the access priority of the second network. The method comprises the following steps: receiving a radio resource control RRC connection rejecting command sent by a basestation, wherein the RRC connection rejecting instruction includes an indicating field; determining a time when the base station sends the RRC connection rejecting command and information indicated bythe indicating field in the RRC connection rejecting command; if the time and the information indicated by the indicating field satisfy a predetermined condition, accepting the indication of the indicating field but not accepting the adjustment of the access priority of the second network, searching a signal according to the access priority of the first network. According to the access method andthe terminal, the terminal is prevented from being continuously affected by a 4G pseudo base station and accessing the GSM pseudo base station, the 4G access priority is prevented from being loweredin some scenarios to access the GSM pseudo base station, and the process of the existing network is not interfered.

Description

technical field [0001] The embodiment of the present invention relates to the field of communication technologies, and in particular to an access method and a terminal. Background technique [0002] LTE (Long Term Evolution, long-term evolution protocol stipulates that before security activation, some NAS (non-access stratum) signaling does not need integrity protection, which provides opportunities for the development of 4G (fourth generation mobile communication technology) pseudo base stations. At present 4G pseudo base stations are deployed on a large scale in densely populated areas and high-speed intersections, which has a certain impact on user communication; due to the two-way authentication and integrity protection of 4G, 4G pseudo base stations cannot monitor and attack users for a long time, and The 4G+GSM (Global System for Mobile Communications) pseudo base station cooperation scheme brings great hidden dangers to user safety, which in turn leads to the feasibil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W12/08H04W12/12H04W48/16H04W76/18H04W76/27H04W12/122
CPCH04W12/08H04W12/12H04W48/16
Inventor 王曦泽阮航王小旭
Owner CHINA MOBILE COMM LTD RES INST
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