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Quick EAP authentication switching method in mobile WiMax network

A network and handover authentication technology, which is applied in the direction of electrical components, wireless communication, transmission systems, etc., can solve the problems of communication service quality impact, service quality degradation, and increased time delay, so as to speed up the handover authentication process, quality is not affected, The effect of increasing the switching delay

Inactive Publication Date: 2013-10-30
GRADUATE SCHOOL OF THE CHINESE ACAD OF SCI GSCAS
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the EAP authentication process itself is very time-consuming, which increases the delay and reduces the efficiency, resulting in varying degrees of impact on the quality of communication services, especially for services with strong real-time requirements, such as VoIP and multimedia services. Seriously, users can feel that the service quality is significantly reduced such as pauses and interruptions

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  • Quick EAP authentication switching method in mobile WiMax network
  • Quick EAP authentication switching method in mobile WiMax network
  • Quick EAP authentication switching method in mobile WiMax network

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Embodiment Construction

[0039] The present invention will be further described in detail below in conjunction with the accompanying drawings and implementation examples.

[0040] Such as figure 2 As shown, the basic flowchart of the implementation of the fast EAP handover authentication method based on the ticket of the present invention comprises the following steps:

[0041] Step 201: When the MS accesses the mobile WiMAX network for the first time, it performs complete EAP authentication with the AAA server through the access BS, and establishes a shared master session key MSK with the AAA server;

[0042] Step 202: After receiving the MSK from the AAA server, the access BS uses the MGK to create a credit ticket T for the MS MS , and then create a ticket notification message Ticket_iss, and send Ticket_iss to MS; MS will verify the CMAC value in Ticket_iss after receiving the ticket notification message Ticket_iss, if the verification is correct, MS will send a confirmation message ACK to the ac...

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Abstract

The present invention discloses a method for fast handing over extensible authentication protocol (EAP) authentication in a mobile worldwide interoperability for microwave access (WiMAX) network and relates to the field of handing over authentication in a mobile WiMAX network. The method includes the following steps: after a mobile station (MS)accesses to the mobile WiMAX network for the first time and completes the EAP authentication by an Authentication Authorization Accounting (AAA) server successfully, an access base station (BS) generates a credit bill for the mobile station (MS) using a multicast BS group key; when the MS needs to hand over to a new BS because of its movement, it can pass the identity authentication of target BS only by providing the credit bill of itself. With the method, an EAP re-authentication can be avoided and thereby safe and fast handover can be implemented.

Description

technical field [0001] The present invention mainly relates to the technical field of mobile WiMAX network handover authentication, in particular to a method for supporting fast EAP (Extensible Authentication Protocol, extensible authentication protocol) handover authentication in a high-speed mobile environment. Background technique [0002] WiMAX (World Interoperability for Microwave Access) is an emerging broadband wireless access technology based on the IEEE 802.16 standard, which can provide high-speed Internet-oriented connections, and the data transmission distance can reach up to 50km. WiMAX also has the advantages of QoS guarantee, high transmission rate, and rich and diverse services. WiMAX has a relatively high technical starting point and adopts advanced technologies such as OFDM / OFDMA, AAS, and MIMO that represent the development direction of future communication technologies. With the development of technical standards, WiMAX will gradually realize the mobility...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04W12/04H04W12/06H04W12/041H04W12/069
CPCH04L63/162H04W12/08H04W36/0038
Inventor 张玉清付安民刘奇旭
Owner GRADUATE SCHOOL OF THE CHINESE ACAD OF SCI GSCAS