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Method and device for channel scanning

A channel scanning and channel technology, applied in the field of channel scanning, can solve problems such as low channel scanning efficiency, and achieve the effect of avoiding repeated scanning and improving channel scanning efficiency

Active Publication Date: 2021-09-03
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, for an AP with multiple radio units in the same working frequency band, each radio unit will perform channel scanning on all channels in the channel list, so there will be cases where each radio unit repeatedly scans channels, resulting in low channel scanning efficiency. Low

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  • Method and device for channel scanning
  • Method and device for channel scanning
  • Method and device for channel scanning

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Embodiment Construction

[0062] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0063] The embodiment of the present application provides a channel scanning method, which can be applied to network devices.

[0064] In one implementation, such as figure 1 As shown, a fit (thin) AP and an access controller (English: Access Controller, AC for short) may be set in the network. In this case, the channel scanning method provided in the embodiment of the present application may be applied to the AC, and the AC is After each radio unit in the fit AP is assigned a scan...

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Abstract

The embodiment of the present application provides a method and device for channel scanning, which relate to the field of wireless communication technology. The method includes: obtaining a channel list corresponding to a target access point AP, where the target AP is a multiple radio frequency unit including the same working frequency band AP, and then calculate at least one working bandwidth supported by each radio frequency unit according to the maximum working bandwidth and channel bandwidth of each radio frequency unit included in the target AP, and divide the channels in the channel list into different types according to the bandwidth value of each working bandwidth At least one channel subset corresponding to the working bandwidth, and then allocate different channel subsets to each radio frequency unit according to the first number of channel subsets corresponding to all working bandwidths and the second number of radio frequency units in the same working frequency band. The efficiency of channel scanning can be improved by adopting the application.

Description

technical field [0001] The present application relates to the technical field of wireless communication, in particular to a channel scanning method and device. Background technique [0002] With the development and popularization of wireless communication technologies, there are more and more types of network devices. Wherein, an access point (English: Access Point, AP for short) is one of widely used network devices. This AP has the advantages of large data throughput and a large number of wireless terminals, and is widely used in places with high population density, such as railway stations, gymnasiums, and large conference venues. Wherein, one AP may include multiple radio frequency units with a working frequency band of 5 GHz, or multiple radio frequency units with a working frequency band of 2.4 GHz. [0003] In practical applications, each radio frequency unit is configured with a supported channel list, and the channel lists corresponding to radio frequency units in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W48/16H04W72/04
CPCH04W48/16H04W72/0453H04W72/52
Inventor 李丹凤
Owner NEW H3C TECH CO LTD