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Switching method and device

A switching device and a technology for switching access points, which are applied in the field of wireless networks and can solve problems such as poor communication quality

Active Publication Date: 2020-10-23
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The disclosure provides an access point device and a communication method, which solves the problem of poor communication quality caused by co-channel interference

Method used

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Embodiment Construction

[0049] In order to make the purpose, technical solution and advantages of the present disclosure clearer, the implementation manners of the present disclosure will be further described in detail below in conjunction with the accompanying drawings.

[0050] figure 2 It is a schematic diagram of an implementation environment of the handover method provided by an embodiment of the present disclosure. For ease of understanding, only the partial configuration of the implementation environment is introduced. The implementation environment includes: adjacent AP 101 and AP 102, both of which belong to the same extended service set (English: extended service set, ESS), each Each AP belongs to a basic service set (English: basic service set, BSS). The mobile terminal 103 can access the WiFi network through the connection with the AP. When the mobile terminal 103 is within the coverage of the AP 101, the network service can be provided by the AP 101. When the mobile terminal 103 is in ...

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Abstract

The invention provides a switching method and device, and belongs to the technical field of wireless networks. According to the invention, an asynchronous scanning mode is adopted, and a mobile terminal does not continue to wait for the exploration response after sending out an exploration request, but directly performs the switching of a working channel and continuously sends a probing request, thereby removing the strict time sequence relation between the two steps that the mobile terminal sends the probing request on each working channel and waits for the nearby access points to return probing response. The scanning processes of all the working channels can be carried out in parallel, so that the time delay caused by waiting for the exploration response is avoided, and the time delay ofthe whole scanning stage is greatly shortened.

Description

technical field [0001] The present disclosure relates to the technical field of wireless networks, and in particular to a handover method and device. Background technique [0002] With the development of wireless network access technology, in order to achieve relatively large coverage, it is necessary to deploy a large number of wireless access points (English: access point, AP). Then, when a mobile terminal (English: mobile station, MS) moves in the same WiFi network, it will gradually leave the coverage of a certain AP. In order to ensure communication, the mobile terminal needs to be connected to the AP of the WiFi network. on another AP. Such switching of the connection relationship between the mobile terminal and different APs may be called handover. [0003] In order to avoid interference, adjacent APs generally work on different operating channels (English: operating channel). Therefore, when a mobile terminal switches between adjacent APs, it needs to disconnect fr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/00H04W36/08H04W48/16
CPCH04W36/0011H04W36/08H04W48/16
Inventor 任首首胡士辉于德雷
Owner HUAWEI TECH CO LTD