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S12700 V200R013C00 Command Reference

This document describes all the configuration commands of the device, including the command function, syntax, parameters, views, default level, usage guidelines, examples, and related commands.
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dca-channel bandwidth

dca-channel bandwidth

Function

The dca-channel bandwidth command configures the calibration bandwidth.

The undo dca-channel bandwidth command restores the default calibration bandwidth.

By default, the calibration bandwidth is 20 MHz.

Format

dca-channel 5g bandwidth { 20mhz | 40mhz | 80mhz }

undo dca-channel 5g bandwidth

Parameters

Parameter

Description

Value

5g

Specifies the frequency band on which radio calibration is implemented.

-

20mhz | 40mhz | 80mhz

Specifies the calibration bandwidth.

-

Views

Regulatory domain profile view

Default Level

2: Configuration level

Usage Guidelines

Usage Scenario

The 5 GHz frequency band has richer spectrum resources. In addition to 20 MHz channels, APs working on the 5 GHz frequency band support 40 MHz and 80 MHz channels. Larger-bandwidth channels mean higher transmission rates. However, at least three channels are required in radio calibration to achieve the optimal calibration effect. When configuring the calibration bandwidth, ensure that enough calibration channels are available for use.

You can use the dca-channel bandwidth command to configure the calibration bandwidth and the dca-channel channel-set command to configure calibration channels as prompted.

Configuration Impact

When the calibration bandwidth is changed, the device recalculates the calibration channels.

Precautions

Only the AD9430DN-12 (including the mapping RUs), AD9430DN-24 (including the mapping RUs), AD9431DN-24X (including the mapping RUs), AP1050DN-S, AP2030DN, AP2030DN-S, AP2050DN, AP2050DN-E, AP2050DN-S, AP2051DN, AP2051DN-E, AP2051DN-S, AP3010DN-V2, AP3030DN, AP4030DN, AP4030DN-E, AP4030TN, AP4050DN, AP4050DN-E, AP4050DN-HD, AP4050DN-S, AP4051DN, AP4051DN-S, AP4051TN, AP4130DN, AP4151DN, AP430-E, AP5030DN, AP5030DN-S, AP5050DN-S, AP5130DN, AP6050DN, AP6052DN, AP6150DN, AP7030DE, AP7050DE, AP7050DN-E, AP7052DE, AP7052DN, AP7152DN, AP8030DN, AP8050DN, AP8050DN-S, AP8050TN-HD, AP8082DN, AP8130DN, AP8130DN-W, AP8150DN, AP8182DN, AP4050DE-M, AP4050DE-M-S, AP4050DE-B-S, AP3050DE, AP7060DN, AP2051DN-L-S, WA375DD-CE, AP5510-W-GP, AP9131DN, AP9132DN, and AP9330DN support 80 MHz calibration bandwidth.

When configuring 40 MHz or 80 MHz calibration bandwidth, check whether channels of the corresponding bandwidth exist under the country code.

Example

# Set the calibration bandwidth to 40 MHz.

<HUAWEI> system-view
[HUAWEI] wlan 
[HUAWEI-wlan-view] regulatory-domain-profile name huawei
[HUAWEI-wlan-regulate-domain-huawei] dca-channel 5g bandwidth 40mhz
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Updated: 2019-04-09

Document ID: EDOC1100065659

Views: 117219

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