Devices and methods for determining a schedule of unicast transmissions between wireless transceivers using a principal controller. A receiver receives information of a set of transmissions between the transceivers for a period of time, a priority of each transmission, and a topology of a network of transceivers, i.e. neighborhood nodes having controllers and devices. A processor sequentially partitions the transmissions based on priority and the topology of the network, groups of concurrent transmissions that do not interfere with each other, beginning with a highest priority group, and ending, with a lowest ending priority group. Apply a predetermined optimization assignment, comparing all transactions according to the priority optimization assignment, to determine a prioritized order of transmission for each transmission in each group. Assign each transmission a respective time slot within a sequence of time slots of the time period via priority optimization assignment order of transmissions, to obtain the transmission schedule.