An increase in drones flying in the low airspace of populated areas may increase the chance of collisions if the drones are not tracked properly.

As to the invention of “4G LTE control system”, Terra drone utilised KDDI’s 4G LTE network, its base stations and the core system of Terra UTM. This 4G LTE control system is the first phase of ...

To manage this problem, a number of companies and institutions are working on air traffic control systems for drones — including Alphabet subsidiary Project Wing.