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Method and device for achieving roaming switch

A successful, mobile terminal technology, applied in security devices, network topology, electrical components, etc., can solve problems such as large network delay, reduced user experience, real-time application impact, etc., to reduce delay and enhance Internet experience Effect

Active Publication Date: 2013-11-13
ZTE CORP
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AI Technical Summary

Problems solved by technology

For a relatively large WLAN network, when a STA accesses the network, it roams from one AP to multiple other APs one by one, and re-authentication is required for each roaming, which causes a relatively large network delay during the roaming switching process, which affects real-time applications. impact, degrading the user experience

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  • Method and device for achieving roaming switch
  • Method and device for achieving roaming switch
  • Method and device for achieving roaming switch

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Embodiment Construction

[0061] In order to make the objectives, technical solutions and advantages of the present invention clearer, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that the embodiments in the application and the features in the embodiments can be combined with each other arbitrarily if there is no conflict.

[0062] In the embodiment of the present invention, it includes at least one STA, two or more APs, one AC, and one AS. The networking diagram of this embodiment is as follows image 3 Shown. Two APs are connected to the AC through a switch, and the APs communicate with the AS through the AC. Among them, AP1 and AP2 belong to the same ESS and have the same SSID.

[0063] This discovery realizes the method of fast roaming handover, such as Figure 5 Shown, including:

[0064] Step 101: When the STA accesses the wireless LAN for the first time, it performs 802.1x authentication through any one o...

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Abstract

The invention provides a method and device for achieving roaming switch. The method includes the steps that after an access point device and a mobile terminal are associated successfully, successful association information is sent to an access controller, and the successful association information includes a BSSID of the access point device and a media access control address of the mobile terminal; after the access point device receives the successful association confirmation information returned by the access controller, conversation master key information and the media access control address of the mobile terminal are analyzed from the successful association confirmation information; according to the conversation master key information, the access point device determines whether the 802.1x certification is carried out or not before the access point device and the mobile terminal performs key negotiations. In the thin AP networking mode, the 802.1x certification can be omitted when an STA performs the roaming switch for the first time, the method and device for rapid roaming are achieved, therefore, time delay of the roaming switch between the STA and different APs is reduced, and web surfing experience of a user is enhanced.

Description

Technical field [0001] This patent relates to a wireless local area network (Wireless Local Area NetWork, WLAN for short) system. More specifically, it is a method and device for realizing fast roaming and switching of terminals between different access points in a wireless local area network. Background technique [0002] IEEE (Institute Electrical and Electronics Engineers, American Institute of Electrical and Electronics Engineers) wireless local area network (Wireless Local Area NetWork, referred to as WLAN) 802.11 protocol defines such as figure 1 Infrastructure network (Infrastructure) shown. In the figure, a mobile station (Station, STA for short) represents a terminal device with wireless functions, such as a laptop, mobile phone, and tablet computer with wifi function. The Access Point (AP for short) is responsible for the access of the STA, and the communication between the STA and the STA or between the STA and the wired network must be carried out through the AP. The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W12/06H04W36/08
CPCH04W8/02H04L63/205H04W36/14H04W12/06H04W84/12H04W12/062H04W36/142
Inventor 邓一鑫彭永超郭辉
Owner ZTE CORP
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