RSSI to distance
First of all, I would like to introduce you roughly the project we are working with right now.
It is mainly a project for industry 4.0, where we are meassuring different sensors (temperature, humidity, and so on) with some devices, and sending this information through LoRaWAN by using the RN2483 Microchip module. So far so good, since we receive every single data in the server side, but there is one thing we will need as well soon, and it is a translation between the RSSI and its range in meters/kilometers.
We have the following information for indoor cases:https://en.wikipedia.org/wiki/ITU_model_for_indoor_attenuation
What we need is the same for outdoor cases.
We truly understand the difficulty of this, because the signal can be affected by many things, just like obstacles, the weather conditions and so on... but it is something included within the specifications, so we have to do it, even if it is only a tentative value.
Any information or tips would be appreciated. Looking forward to hearing from you.