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Address locking mechanism-based fast re-authentication method

A re-authentication and fast technology, applied in electrical components, wireless communication, security devices, etc., can solve the problems of increasing power consumption of mobile phones, waste of system resources, etc., to reduce the threat of illegal use, easy to implement, and reduce switching delay Effect

Inactive Publication Date: 2013-05-15
BEIJING JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If such frequent switching needs to be re-authenticated every time, it will cause a lot of waste of system resources and greatly increase the power consumption of the mobile phone.

Method used

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  • Address locking mechanism-based fast re-authentication method

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Embodiment Construction

[0025] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0026] In the fast re-authentication method based on the address lock mechanism in this embodiment, when the UE moves out of the range of the micro cell of the home base station, the security context saved by the UE and the core network side has a certain time limit. For the macro cell around the UE, most of the time It is fixed (used within the scope allowed by the operator), and an information table of adjacent macro cells can be pre-configured in H(e)NB, which contains cell information such as Cell_ID, and H(e)NB scans regularly to obtain Neighboring cell information is reported to the core network side through the SeGW (there may be different implementation plans according to the operator's strategy). This has two advantages. ...

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Abstract

The invention discloses an address locking mechanism-based fast re-authentication method. The method is on the basis of a fast re-authentication system. The system comprises a home NodeB (H(e)NB), user equipment (UE) which moves continuously in switching all the time, and a control equipment mobile management entity (MME) of a core network. When the UE moves out of the range of a micro cell of the H(e)NB, time limits of security context stored in the UE and a core network side are set by the method; an information table of a neighboring macro cell is pre-allocated in the H(e)NB; and neighboring cell information is acquired by sweeping frequency periodically by the H(e)NB and is reported to the core network side through a safety gateway. Through the means, the method reuses the security context established by the UE in a certain time limit, thereby optimizing a switching process, reducing switching delay and improves the efficiency of an overall system.

Description

technical field [0001] The invention relates to the fields of information security and mobile communication, in particular to a fast re-authentication method based on an address lock mechanism. Background technique [0002] Home base station H(e)NB is the collective name of HNB home base station based on UTRA technology and HeNB home base station based on E-UTRA technology. It is an entity in UMTS system and LTE / SAE system. It literally means home node B / home enhancement Node B is customarily called a home base station. Operators deploy it in places with poor wireless signals such as offices, personal homes, and inside enterprises, which is an effective means to solve the problem of indoor coverage of wireless networks. [0003] H(e)NB is different from the base station operating mode in the current mobile communication network. The user terminal accesses the H(e)NB through the wireless interface Uu, and the H(e)NB accesses the link through a fixed broadband such as ADSL. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W12/06H04W36/08
Inventor 吴昊肖鹏温士雅汤恒亮史昊一
Owner BEIJING JIAOTONG UNIV
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