Re: [postgis-users] Represent WiFI signal via RSSI

2022-10-18 Thread Komяpa
Robert, WiFi signal is essentially electromagnetic signal. You can imagine it as a light source, having all the effects like reflection and refraction. Some naive pictures that show how wrong are the circular models can be seen here: https://www.degruyter.com/document/doi/10.1515/phys-2019-0039/ht

Re: [postgis-users] Represent WiFI signal via RSSI

2022-10-18 Thread Robert Dorinel Tureac
Nice work there! But with that you do not represent the signal strength right? I'm just looking for a manner to draw that Signal. I.e. draw a polygon or circle with a red colour where the RSSI is stronger. El mar., 18 oct. 2022 12:34, Darafei "Komяpa" Praliaskouski escribió: > Hi, > > RSSI has

Re: [postgis-users] Represent WiFI signal via RSSI

2022-10-18 Thread Komяpa
Hi, RSSI has very complex shapes in the city terrain, not really following a usable distance formula. That being said I once upon a time got myself a ladder, excel spreadsheet and measured one specific access point using my phone and regressed this piece of formula. 0.2347 * exp(-0.07877 * (ap -

[postgis-users] Represent WiFI signal via RSSI

2022-10-18 Thread Robert Dorinel Tureac
Hi there guys, Is there any way/function/method/possibility to represent the signal strength of a device having the attributes RSSI and latitude-longitude? I'm trying to achieve something like this, but with no success (yet): https://duckduckgo.com/?q=rssi+signal+wifi+map&atb=v342-1&iar=images&ia