Method, apparatus and system for acquiring network information

A technology of network information and home network, applied in the field of obtaining network information
CN101656945BActive Publication Date: 2013-04-17SHANGHAI HUAWEI TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHANGHAI HUAWEI TECH CO LTD
Publication Date
2013-04-17

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Abstract

The invention provides a method, apparatus and system for acquiring network information. The method comprises: when a mobile station needs local network information, the mobile station sending request message of local network information to an access gateway according to whether acquired access gateway supports the local network information visited by the mobile station; the mobile station receiving response returned by the access gateway, the response comprising local network information distributed to the mobile station by the access gateway. By using the invention, unnecessary information interaction between the mobile station and the access gateway is reduce, when the mobile station moves, large transmission time delay is avoided.
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Description

technical field

[0001] The present invention relates to the field of communication technology, in particular to a method, device and system for acquiring network information. Background technique

[0002] In order to enable the mobile station (MS) to better support real-time services while roaming, the International Organization for Standardization (3GGP2, 3rd Generation Partnership Project 2) has allocated home network information (Home Network Information) of the home network (Home Network) to the mobile station. Based on this, the home network information of the visited (Visited Network) network is allocated to the mobile station.

[0003] In this way, the mobile station carries an indication through the IPv6 Dynamic Host Configuration Protocol (DHCPv6, Dynamic Host Configuration Protocol for IPv6), and the indication is used to notify the access node that the Packet Data Serving Node (PDSN, Packet Data Serving Node) wishes to assign a home for the mobile station. The ho...

Claims

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