Method, system and mobile terminal for wireless network to capture mobile IP style of mobile terminal

Abstract

The invention provides a method for obtaining mobile IP type of a mobile terminal in a wireless network: a mobile IP proxy server reports related information of a mobile IP type to a user, who requires a mobile IP type, according to the mobile IP type identifying field in a mobile IP logging request message of a mobile terminal. A system for imparting a mobile IP type to a mobile terminal in a wireless network at least includes: a mobile terminal, a mobile IP proxy server, and a user who requires a mobile IP type. The mobile terminal transmit a mobile IP logging request message to a mobile IP proxy server for performing mobile IP logging in; and the mobile IP proxy server reports mobile IP type related information of the mobile terminal to the user who requires a mobile IP type according to the mobile IP type identifying field in a mobile IP logging request message. The invention also provides a mobile terminal for wireless network, when the mobile terminal is logged in a network for the first time or keywords for the mobile terminal is needed to be updated, the mobile terminal transmits mobile IP logging request message to a mobile IP proxy serve for performing mobile IP logging in, and a mobile IP type identifying field for identifying mobile IP type of the mobile terminal is included in the mobile IP logging request message.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to a technology for an access network in a wireless network to obtain a mobile IP type of a mobile terminal. Background technique [0002] When a mobile terminal wants to access a wireless network that supports EAP authentication, such as a Wimax (World Interoperability for Microwave Access, microwave access global interoperability certification) network, the EAP authentication process must first be performed. MSK (Master Session Key, master session key) and EMSK (extended MSK, extended master session key) are generated on the AAA server (authentication, accounting, and authorization server) side. [0003] The MIP-RK (Mobile IP-Root Key) is calculated by EMSK on the mobile terminal side and the AAA server side respectively. Various mobile-related keys are derived, including MN-AAA (the mobile IP key between the mobile terminal and the authentication, accounting, and authorizat...

AI Technical Summary

Problems solved by technology

[0032] The present invention provides a method and system for obtaining the mobile IP type of a mobile terminal by a wireless network and a mobile terminal for a wireless network, so as to solve the problem of mobile IP in the prior art. When the terminal accesses the target access network, the access network side cannot correctly select the key corresponding to the mobile IP type to protect the security of the initial and subsequent messages because it cannot determine the mobile IP type of the mobile terminal

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