Control method and system of wireless client terminal roam and wireless access controller

A wireless client and roaming control technology, applied in wireless communication, data exchange through path configuration, electrical components, etc., can solve the problems of unable to control the roaming process of wireless clients, reducing the quality of wireless network service of wireless clients, etc.

Active Publication Date: 2011-04-06
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] It can be seen that whether roaming is completely determined by the wireless client, AC and Fit AP completely passively respond to the access request of the wireless client, and cannot control the roaming process of the wireless client; in addition, when the signal strength of several Fit APs When approaching, the wireless client may frequently switch between different Fit APs, which will frequently initiate access procedures to different Fit APs, reducing the wireless network service quality of the wireless client

Method used

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  • Control method and system of wireless client terminal roam and wireless access controller
  • Control method and system of wireless client terminal roam and wireless access controller
  • Control method and system of wireless client terminal roam and wireless access controller

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Embodiment Construction

[0084] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. In each embodiment, any Fit AP is set as: Fit AP 1 and any wireless client is set as: Client 1 as an example.

[0085] image 3 The wireless client roaming control flow chart provided by Embodiment 1 of the present invention, as shown in image 3 As shown, the specific steps are as follows:

[0086] Step 301: Fit AP 1 receives the probe request message sent by Client 1.

[0087] Step 302: Fit AP 1 judges whether the Client 1 pointed to by the MAC address of the Client in the message is associated with the AP, and if so, executes Step 303; otherwise, executes Step 304.

[0088] When a Client sends an association request message to the AC through a Fit AP, the Fit AP will consider that the AP is associated with the Client after receiving the Association Response message returned by the AC, and save the information of the Client associate...

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Abstract

The invention discloses a control method and a system of wireless client terminal roam and a wireless access controller. The method comprises the following steps: an AP receives a detection request message sent by a wireless client terminal, and measures the RSSI of the message; the detection request message and the RSSI are sent to an AC; if the AC finds out that the wireless client terminal is not connected with any AP, AP is allowed to respond to the detection request message; if the AC finds out that the wireless client terminal is connected with other APs besides the AP, the AC determinates whether the APs are allowed to respond to the detection request message or not according to the RSSI and a preset strategy. The invention realizes that the AC controls the wireless client terminalroam.

Description

technical field [0001] The present invention relates to the technical field of wireless roaming, in particular to a wireless client roaming control method, system and wireless access controller (AC, Access Controller). Background technique [0002] Wireless Local Area Network (WLAN, Wireless Local Area Network) technology is one of the hot technologies in the communication field today. Compared with wired networks, WLAN deployment and implementation are relatively simple, and maintenance costs are low. Generally, one or more wireless access points ( AP, Access Port) equipment can establish a local area network covering the entire building or region, and users access the network through wireless, and then connect to the fixed network or the Internet. [0003] Under the centralized WLAN architecture, ACs and Fit APs form a wireless network. The AC performs centralized control and management of the wireless network, and the Fit AP helps the AC receive and send wireless packets...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W84/12H04W36/00H04L12/28
Inventor 汪庆峰郑涛
Owner NEW H3C TECH CO LTD
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