Method for controlling properties of a carrier.

Method for controlling a plurality of carriers, consisting of said carriers in transmission paths data relating to a receiver and each of the carriers, at least one transport format TF describing properties of said carrier into a cellular telecommunication system wherein said method comprises steps in which - is constructed (100) a set of combinations of transport formats allowed TFCS, being a combination of transport formats TFC a combination of transport formats TF of a plurality of carriers, and - information specifying said set of transport format combinations TFCS is communicated authorized (120) to the receiver at said receiver to construct said set of transport format combinations TFCS authorized.