I'm designing a smartphone app that gets advertising transmissions from N BLE beacons that transmit to M meters (approximately), for kind-of indoor-navigation. My goal is to maximize N and M as possible.
AFAIU the bigger N is the more noisier the air (the transmission-medium), so there is some upper bound of N that beyond it the air will be too noisy and the app won't work well because of frequencies collision
Let's say the beacons transmit 1 time per second, and M = 2 meters - what is the upper bound of N approximately? and what if M = 20 meters?