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DFS is Dynamic Frequency Selection, which is a function of using 5 GHz Wi-Fi frequencies that are generally reserved for radar, such as military radar, satellite communication, and weather radar. The DFS channels vary from country to country. The main benefit to use DFS channels is to increase the number of Wi-Fi channels. It is legally required Channel Availability Check process to prevent electromagnetic interference the 5 GHz frequency with the radar. If any radar signal detects, it will switch from DFS channel to non-DFS channel automatically(If driver have DFS support) .
The The scope of this work is to integrate and validate the DFS Feature in RPI reference platforms.
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Module | TR-181 DM parameter | Purpose |
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CcspPandM | dmcli eRT setv Device.DeviceInfo.X_RDKCENTRAL-COM_RFC.Feature.DFS.Enable bool true | enable/disable the DFS feature. By default, it should be disabled. |
OneWifi | dmcli eRT getv Device.WiFi.Radio.2.X_COMCAST_COM_DFSEnable | This should be enabled after executed the above command. |
dmcli eRT setv Device.WiFi.Radio.2.Channel uint 100 | Setting DFS channel value | |
dmcli eRT setv Device.WiFi.ApplyRadioSettings bool true | Applying radio settings | |
dmcli eRT setv Device.WiFi.SSID.2.Enable bool false dmcli eRT setv Device.WiFi.SSID.2.Enable bool true | Re-enable the AP for updating the new channel value in realtek drivers. | |
dmcli eRT setv Device.WiFi.ApplyRadioSettings ApplyAccessPointSettings bool true | Applying radio AP settings |
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