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Terminal capability information notification method, terminal and base station

A terminal capability and base station technology, applied in wireless communication, network data management, security devices, etc., can solve problems such as security activation process failure, and achieve the effect of avoiding man-in-the-middle attacks

Pending Publication Date: 2021-04-16
CHINA MOBILE COMM LTD RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] If the verification fails, it indicates that the lower layer transmits a Security Mode Failure (SecurityModeFailure) message to the eNodeB, and does not use encryption and integrity protection for subsequent messages and data interacted with the eNodeB, and the AS security activation process fails

Method used

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  • Terminal capability information notification method, terminal and base station
  • Terminal capability information notification method, terminal and base station
  • Terminal capability information notification method, terminal and base station

Examples

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Embodiment Construction

[0061] Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0062] The terms "first", "second" and the like in the specification and claims of the present application are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein, for example, can be practiced in sequences other than those illustrate...

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Abstract

The invention discloses a terminal capability information notification method, a terminal and a base station. The method comprises the steps: after receiving a first query message of terminal capability sent by the base station, the terminal determines whether an access stratum AS security mode is activated; and the terminal cancels reporting of the terminal capability information to the base station under the condition that the AS security mode is not activated. According to the terminal capability information notification method, the terminal and the base station provided by the embodiment of the invention, the capability information of the terminal cannot be reported to the base station under the condition that the AS security mode is not activated, so the transmission of the terminal capability information under the condition of no protection measures is avoided, and the attack of a man-in-the-middle on communication can be reduced or avoided.

Description

technical field [0001] The invention relates to the technical field of mobile communication, in particular to a method for notifying terminal capability information, a terminal and a base station. Background technique [0002] On the network side of the Long Term Evolution (LTE) system, the Evolved Universal Terrestrial Radio Access Network (Evolved Universal Terrestrial Radio Access, E-UTRAN) consists of base station equipment eNodeB (evolved Node B) and core network equipment Mobility Management Entity (Mobility Management Entity) , MME), and a user equipment (User Equipment, UE) performs signaling and data interaction with the eNodeB and the MME through a wireless air interface. [0003] In the LTE protocol framework, protocol layers are divided into non-access stratum (NAS) and access stratum (AS). The security protection mechanism in the LTE system uses different security mode command (Security Mode Command, SMC) procedures in the non-access stratum and the access stra...

Claims

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Application Information

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IPC IPC(8): H04W8/24H04W12/03H04W12/06H04W12/106H04W76/30
Inventor 邵京杜海涛孙洋马东洋粟栗
Owner CHINA MOBILE COMM LTD RES INST
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