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Secure intra- and inter-domain handover

A security and communication domain technology, applied in the domain of security domain and inter-domain handover, can solve the undiscussed problems such as fast and safe handover of distributed mobile communication environment, achieve rapid deployment options, improve customer satisfaction, improve flexibility and reliability operational effect

Active Publication Date: 2006-10-18
NTT DOCOMO INC
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Problems solved by technology

[0013] In H.Wang and A.R.Prasad's "Security Context Transfer inVertical Handover", Proc.Of the 14th International Symposium on Personal, Indoor, Mobile Radio Communication (PIMRC 2003), Beijing, China, September 2003, discusses the use of heterogeneous mobile communication Another solution for switching between environments, but this solution also does not discuss fast and secure switching for distributed mobile communication environments as proposed later

Method used

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  • Secure intra- and inter-domain handover
  • Secure intra- and inter-domain handover
  • Secure intra- and inter-domain handover

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Embodiment Construction

[0061] Hereinafter, the best mode and preferred embodiment of the present invention will be described with reference to the accompanying drawings. Relevant functions are described herein with reference to structural diagrams or flow charts, however, it should be noted that those skilled in the art can easily understand that any of these types of functions can be realized by software, hardware and / or a combination thereof.

[0062] In addition, a mobile communication environment is referred to here, but those skilled in the art can easily understand that there is no specific limitation on the type of mobile communication environment. Therefore, the mobile communication environment referred to in the present invention should be broadly understood and has nothing to do with the underlying technologies, such as mobile communication phones, mobile communication data services, wireless local area networks, wireless Internet access, wireless satellite communication systems, combined w...

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Abstract

To achieve safe and fast handover in a distributed mobile communication environment (10), the control function is at the boundary between wireless and wired communication network elements, and it is proposed to first execute using the security context information previously transmitted to the new access point Mutual authentication between a mobile device (26) and a new access point (14). Then, after successful mutual authentication, a handover from the current access point (12) to the new access point (14) will be performed.

Description

technical field [0001] The present invention relates to a handover method in a distributed mobile communication environment, and in particular to handover within a security domain and between domains for a distributed mobile communication environment. Background technique [0002] Future mobile communication networks will distribute control intelligence to the edge between wireless and wired infrastructure components. Thus, the distribution of intelligence at the edge of the mobile communication environment is referred to as a distributed mobile communication environment hereinafter. Although reference is made below to a specific example of such a distributed mobile communication environment, it should be understood that the technical teachings described below also cover any type of distributed mobile communication environment, for example, GSM, UMTS / EMT2000, PDC, AMPS, DAMPS, IF- 95, WLAN, ..., and any mixture thereof. [0003] Currently, various problems arise, for examp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/28H04L12/56H04W12/06H04W28/18H04W36/14H04W36/30H04W36/32H04W48/18
CPCH04L63/0869H04W28/18H04W36/0038H04W36/0061H04W36/0066H04W48/18H04W36/322H04W36/304H04W36/324
Inventor 安安德·R·普拉萨德
Owner NTT DOCOMO INC
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