suggest that every UAV can talk to just one IoT unit at any presented time. In addition, to improve collaboration amongst various UAVs, any nth IoT system can be serviced by at most one particular UAV concurrently, represented through the constraint ∑ m χ m n ( t ) https://drone-surveying-solutions10988.blog5star.com/29964676/fascination-about-uav-data-collection-bangladesh