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Address distributing method for broadband wireless access system

An access system, broadband wireless technology, applied in transmission systems, electrical components, etc., can solve the problems of high air interface resource occupation and slow switching speed, and achieve the effect of simple, accurate billing and cost reduction

Inactive Publication Date: 2011-05-11
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a method for assigning an IP address to a mobile terminal through the DHCP protocol in a broadband wireless access system, so as to solve the problems of address assignment in the current broadband wireless network that occupy more air interface resources and slow switching speed.

Method used

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  • Address distributing method for broadband wireless access system
  • Address distributing method for broadband wireless access system
  • Address distributing method for broadband wireless access system

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Embodiment Construction

[0033] Specifically, in the present invention, the IP address allocation initiated by the access gateway is realized. When the mobile terminal initially accesses the network and completes device and user authentication, the broadband access gateway acts as a DHCP agent and runs the DHCP Client to replace the mobile terminal from the DHCP Server. The IP address is obtained, and then the allocated IP address is sent to the mobile terminal through a notification message.

[0034] The broadband wireless access system of the present invention includes at least one user terminal (MSS), one base station (BS), one access gateway, one AAA server and one DHCP Server. Such as figure 1 , figure 2 shown. figure 1 In non-roaming, the architecture of the broadband wireless access system is shown. The system includes an access gateway 100 , a mobile terminal 101 , a DHCP client 102 , a DHCP Server 103 , an AAA (Authentication Authorization Accounting Server) client 104 , and an AAA server...

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Abstract

The invention provides an address allocating method for a wideband wireless access system, comprising the steps: when a mobile terminal accesses to a network, the mobile terminal sends user / equipment authentication request to an Authentication, Authorization and Accounting server; after the authorization succeeds, the mobile terminal sends registering request to an access gateway; the mobile terminal completes registration, the access gateway obtains a mobile terminal-supported IP address allocating mode according to the user configuration information returned after the authorization succeeds; the access gateway replaces the mobile terminal as a Dynamic Host Configuration Protocol (DHCP) Client to initiate IP address allocating request to a DHCP server or does not request IP address but waits for the mobile terminal to actively request IP address; the DHCP server allocates IP address to corresponding MAC address, the access gateway transfers the allocated IP address to the mobile terminal and the mobile terminal completes local address binding. The invention reduces implementation difficulty and cost, reduces system overhead and speeds up switching.

Description

technical field [0001] The invention relates to a broadband wireless access system, in particular to an IP address allocation method in the broadband wireless access system. Background technique [0002] In the current broadband wireless access system, when MSS (Mobile Subscriber Station, mobile terminal) initially accesses the network, the system usually assigns an IP address to the mobile terminal through DHCP (Dynamic Host Configuration Protocol). During the application process, the mobile terminal MSS runs the DHCP client, and the access gateway acts as a DHCP Relay to relay the DHCP exchange messages between the MSS and the DHCP Server. However, the DHCP protocol was originally a network protocol for wired networks proposed by the IETF. If it is directly used in a wireless network environment, there will be many problems. For example, DHCP uses broadcast messages to allocate and verify IP addresses, which is not suitable for wireless networks with scarce air bandwidth ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/12
Inventor 唐勇
Owner ZTE CORP
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