Method of access authentication and recertification in home NodeB system of user terminal

A technology of user terminals and home base stations, applied in electrical components, wireless communications, security devices, etc., can solve problems such as insufficient protection of UE identity information, unusable EAP-AKA protocol, high authentication delay, etc., to achieve efficient authentication process, The effect of reducing re-authentication delay and simplifying the authentication process
CN101854629AInactive Publication Date: 2010-10-06XIDIAN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
XIDIAN UNIV
Publication Date
2010-10-06
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses methods of access authentication and recertification of a user terminal in a home NodeB system, mainly overcoming the defect that the existing standard does not provide an authentication method of the user terminal for accessing a core network through the home NodeB. The access authentication process comprises the following steps: firstly, simultaneously sending the identification of a user and the identification of the home NodeB to HNBHLR to inquire, judging according to whether the identification of the user exists in the CSG list of the home NodeB; and secondly, adopting the modified EAP-AKA protocol to perform authentication between the user terminal and a authentication server. The recertification process comprises the following steps: firstly, judging according to whether the identification of the user is as the same as the identification stored in the home NodeB network, and secondly, using a hierarchy secret key to modify the existing EAP-AKA recertification method to realize the mutual authentication between the user terminal and the authentication server. The methods of the invention has the advantages of simple processes, high efficiency, reliable performance, good safety and the like, thus being applicable to the access authentication and recertification of the user terminal in the home NodeB system.
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Description

technical field

[0001] The invention belongs to the technical field of mobile communication network security, and specifically relates to an authentication and re-authentication method for a user terminal to access a core network through a home base station, which can be used in existing indoor places such as homes and offices to realize indoor user terminal Secure and fast access to the core network. Background technique

[0002] With the promotion and application of wireless broadband, femtocells emerged as a new type of base station, which is a supplement to the indoor coverage of cellular networks. Femtocells use IP protocols and a flat base station architecture, and can access the core network of mobile operators through existing broadband means such as DSL, Cable, or optical fiber. Therefore, femtocells are regarded as an effective solution to realize the integration platform of fixed network and mobile. However, unlike traditional macro base stations, femtocells are...

Claims

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