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Method and device for preventing wireless client from being switched in wireless local area network (WLAN)

A wireless client and wireless local area network technology, applied in the field of preventing wireless client switching, can solve problems such as weak signals

Active Publication Date: 2009-12-30
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At this time, at the end of the antenna feeder system, both STA1 and STA2 can scan the signals of 3 APs, but the signals of the 3 APs are weak, which causes STA to repeatedly switch between the 3 APs.

Method used

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  • Method and device for preventing wireless client from being switched in wireless local area network (WLAN)
  • Method and device for preventing wireless client from being switched in wireless local area network (WLAN)
  • Method and device for preventing wireless client from being switched in wireless local area network (WLAN)

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Embodiment Construction

[0057] The basic idea of ​​the present invention is to keep the STA on one AP when the STA is relatively static, can scan multiple APs at the same time, and the signal strength is relatively weak, thereby avoiding the process of repeated switching.

[0058] Furthermore, when a STA frequently switches between different APs, the wireless controller can select an AP with the strongest signal strength as the main AP for the STA (that is, the connected AP of the STA) according to actual needs, and use other APs as APs. The candidate AP of the STA; the STA can use the primary AP, but cannot use other candidate APs, thereby ensuring that the STA is on one AP, and avoiding the repeated switching process.

[0059] A method for preventing wireless client switching in a wireless local area network proposed by the present invention is applied to a system including a wireless controller, a wireless client, and at least two access points, and all the access points detected by the wireless cl...

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Abstract

The invention discloses a method for preventing a wireless client from being switched in a wireless local area network (WLAN), which comprises that: a wireless controller judges whether the wireless client is frequently switched between different access points; when the judgment result is that the wireless client is frequently switched between different access points, the wireless controller selects one access point according to the signal intensity of the wireless client; and the wireless controller uses the selected access point as a connection access point of the wireless client, and makes other access points not respond to the wireless client. The method and the device avoid repeated switch under the condition that a static STA receives a plurality of AP signals but the intensity of all the signals is weak, and do not influence the use of the roam STA.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a method and device for preventing wireless client switching in a wireless local area network. Background technique [0002] WLAN (Wireless Local Area Networks, wireless local area network) provides a wireless connection service of a local area network, which can provide high-speed wireless data access, and has been widely used in cities, public places, enterprises, buildings, homes and other places. Compared with the traditional wired access method, the wireless local area network makes the use of the network more free, and completely gets rid of the shackles of cables and port positions. Moreover, the wireless local area network has the advantages of being easy to carry and move, eliminating or reducing the complexity of the network. Wiring, you only need to place one or more AP (Access Point, access point) devices to establish a local area network covering the entire bu...

Claims

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Application Information

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IPC IPC(8): H04W36/08H04W84/12H04W88/12
Inventor 张海涛徐国祥
Owner NEW H3C TECH CO LTD
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