Amazon Sidewalk - Gateway Discovery and Selection Application Note

This application note explains the implementation of the Gateway Discovery and Selection feature in the Amazon Sidewalk endpoint stack for the SubG-FSK link. It covers the three phases of the feature — Gateway Discovery, Gateway Selection, and Connection Health Monitoring — the parameters and algorithms behind each, the predefined and custom discovery policies exposed through the sid_option API, and the control events the stack uses to notify your application.

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