Position Beacons
- Marvelmind Beacons testing - [1]
- 10 cm accuracy and 100m range - Pozyx - [2]. See post [3].
- More about non-GPS navigation. [4]
- Marvelmind Rover - [5]
- Positioning with trilateration algorithm on basketball court - [6] used 3 beacons and +/- 10 cm Standard Deviation (70% of results fall in the range) for location accuracy