Introduction

                     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) .

Scope

                       The scope of this work is to integrate DFS in RPI reference platforms.

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• RDK-B Operators
• RDK-B SoC Vendors
• RDK-B OEM's
• RDK-B Application Vendors
• RDK-B System Integrators 

 High level Code Flow Design

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Supported device  

• Raspberry Pi4 32 bit
• Raspberry Pi4 64 bit

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TR-181 Data Model Parameters

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S.No	TR-181 DM parameter	Inputs
1

References