Communication method in a network (1), of data being transmitted from a wireless master station (10) to a recipient station (14) via one of the wireless slave stations (10 to 12). In order to guarantee a quality of service, the method comprises a first election of a first slave station, then a first transmission of at least one data packet present in the first queue, the first transmission being carried out from the master station to the first slave station, a second election of a second slave station, then a second transmission of at least one data packet present in the second queue, the second transmission being carried out from the master station to a second slave station and the first transmission continuing as long as the first queue is not empty.