A method for determining at least one beam of a transmitter and at least one beam of one or more receivers with a specific signal transmission quality between the transmitter and the respective receiver, wherein the transmitter and each receiver comprise a plurality of predetermined transmitter and receiver beams, respectively, said method comprising a radiation pattern determination routine with the steps of transmitting a transmitter training burst for each receiver from the transmitter to the respective receiver, consecutively, wherein the plurality of predetermined transmitter beams of the transmitter is applied during each transmitter training burst in a sequence; transmitting at least one feedback burst to the transmitter, wherein the feedback burst comprises information based on each transmitter training burst received by the respective receiver, wherein said information identifies at least one transmitter beam of the plurality of predetermined transmitter beams of the transmitter with a specific signal transmission quality for each receiver; transmitting a receiver training burst for each receiver from the transmitter to the respective receiver, consecutively, wherein the respective transmitter beam with a specific signal transmission quality of the identified at least one transmitter beam of the transmitter for the respective receiver is applied during each receiver training burst; receiving the receiver training burst by the respective receiver, wherein the plurality of predetermined receiver beams of the respective receiver is applied during each receiver training burst in a sequence; and identifying at least one receiver beam of the plurality of predetermined receiver beams of the respective receiver with a specific signal transmission quality, whereby the radiation pattern determination routine is repeated at least once, whereby the identified at least one transmitter beam and the identified at least one receiver beam of the preceding radiation pattern determination routine are used as the new assortment of the plurality of predetermined transmitter and receiver beams of the succeeding radiation pattern determination routine for the transmitter and the respective receiver and whereby succeeding iterations of the radiation pattern determination routine are processed like the first iteration with the only difference that the number of predetermined transmitter and receiver beams is reduced. transmitting a transmitter training burst for each receiver from the transmitter to the respective receiver, consecutively, wherein the plurality of predetermined transmitter beams of the transmitter is applied during each transmitter training burst in a sequence; transmitting at least one feedback burst to the transmitter, wherein the feedback burst comprises information based on each transmitter training burst received by the respective receiver, wherein said information identifies at least one transmitter beam of the plurality of predetermined transmitter beams of the transmitter with a specific signal transmission quality for each receiver; transmitting a receiver training burst for each receiver from the transmitter to the respective receiver, consecutively, wherein the respective transmitter beam with a specific signal transmission quality of the identified at least one transmitter beam of the transmitter for the respective receiver is applied during each receiver training burst; receiving the receiver training burst by the respective receiver, wherein the plurality of predetermined receiver beams of the respective receiver is applied during each receiver training burst in a sequence; and identifying at least one receiver beam of the plurality of predetermined receiver beams of the respective receiver with a specific signal transmission quality, whereby the radiation pattern determination routine is repeated at least once,