Bluetooth 5.1 standard allows for a receiving antenna to know the signal strength and also the angle. This fundamental concept would allow for accurate positioning.
Solution
This seems a very interesting approach.
UAVs (also referred to as drones) have wide ranging uses in business applications within defined 3D space. This implies that the domain of the operation of the vehicles is a known space…
They approach the problem by utilizing “ultrasonic beacons” on fixed locations inside the building. They communicate using the same protocols as GPS so it is “as if” your drone started getting…