indicate that each UAV can communicate with just one IoT machine at any presented time. Also, to boost collaboration among the multiple UAVs, any nth IoT machine is often serviced by at most one particular UAV simultaneously, represented through the constraint ∑ m χ m n ( t ) https://aerialphotographyservices87654.dailyhitblog.com/34973489/little-known-facts-about-drone-mapping-bangladesh