The invention relates to a method for operating a processing entity configured to receive a 3D image data stream generated by a 3D camera over a wireless network, the 3D image data stream comprising a first image data stream representing a structure of at least one real-world object, and a second image data stream representing a visual appearance of the at least one real-world object. The method comprises receiving (S121), from the 3D camera, a resolution indicator indicating a resolution of the 3D camera, determining (S122) an activity of the at least real-world object shown in the 3D image data stream, determining (S123) a transmission bandwidth of a further wireless network used to transmit the 3D image data stream to the processing entity, determining (S124) a first frame rate to be used by the 3D camera for the first image data stream and a second frame rate to be used by the 3D camera for the second image data stream taking into account the resolution indicator, the transmission bandwidth, and the determined activity, and informing (S125) the 3D camera of a scaling parameter determined based on the determined first frame rate and of the second frame rate.