A method for operating a device, the method comprising: determining, by the device, a beamformed signals configuration of a first transmission point, TP, in accordance with configuration information of the first TP and configuration information of neighboring TPs, wherein the beamformed signals configuration indicates multiplexed beamformed signals in a spatial domain and at least one of a time domain and a frequency domain, and wherein the beamformed signals comprises at least one of beamformed reference signals and beamformed control signals; and instructing, by the device, use of the beamformed signals configuration; wherein instructing the use of the beamformed signals configuration comprises instructing a rate in which the beamformed signal is sounded; and wherein the first TP is part of a heterogeneous communications system, HetNet, wherein the first TP has a sectorized coverage area, wherein a low power TP is located in the sectorized coverage area of the first TP; characterized in that the beamformed signals are multiplexed in at least one of an azimuth direction and an elevation direction; and in that determining the beamformed signals configuration comprises: altering the multiplexing of the beamformed signals in the spatial domain and the at least one of the time domain and the frequency domain; generating the beamformed signals configuration from the altered multiplexing of the beamformed signals; multiplexing the beamformed signals so that a sounding TP out of a plurality of TPs sharing a common coverage area sector edge of a common coverage area that fully encompasses the low power TP and a low power coverage area of the sounding TP sounds the common edge in at least one of a single time instance and a frequency band; and multiplexing the beamformed signals so that the low power TP is transmitting beamformed signals only when the first TP is not transmitting beamformed signals. determining, by the device, a beamformed signals configuration of a first transmission point, TP, in accordance with configuration information of the first TP and configuration information of neighboring TPs, wherein the beamformed signals configuration indicates multiplexed beamformed signals in a spatial domain and at least one of a time domain and a frequency domain, and wherein the beamformed signals comprises at least one of beamformed reference signals and beamformed control signals; and instructing, by the device, use of the beamformed signals configuration; wherein instructing the use of the beamformed signals configuration comprises instructing a rate in which the beamformed signal is sounded; and wherein the first TP is part of a heterogeneous communications system, HetNet, wherein the first TP has a sectorized coverage area, wherein a low power TP is located in the sectorized coverage area of the first TP; characterized in that the beamformed signals are multiplexed in at least one of an azimuth direction and an elevation direction; and in that determining the beamformed signals configuration comprises: altering the multiplexing of the beamformed signals in the spatial domain and the at least one of the time domain and the frequency domain; generating the beamformed signals configuration from the altered multiplexing of the beamformed signals; multiplexing the beamformed signals so that a sounding TP out of a plurality of TPs sharing a common coverage area sector edge of a common coverage area that fully encompasses the low power TP and a low power coverage area of the sounding TP sounds the common edge in at least one of a single time instance and a frequency band; and multiplexing the beamformed signals so that the low power TP is transmitting beamformed signals only when the first TP is not transmitting beamformed signals. altering the multiplexing of the beamformed signals in the spatial domain and the at least one of the time domain and the frequency domain; generating the beamformed signals configuration from the altered multiplexing of the beamformed signals; multiplexing the beamformed signals so that a sounding TP out of a plurality of TPs sharing a common coverage area sector edge of a common coverage area that fully encompasses the low power TP and a low power coverage area of the sounding TP sounds the common edge in at least one of a single time instance and a frequency band; and multiplexing the beamformed signals so that the low power TP is transmitting beamformed signals only when the first TP is not transmitting beamformed signals.