A method at a UE for indicating change in physical state of the UE includes: determining a change of the UE from a first physical state of a plurality of physical states to a second physical state of the plurality of physical states; and transmitting one or more antenna system characteristics, corresponding to an antenna system of the UE, based on determining the change of the UE from the first physical state of the plurality of physical states to the second physical state of the plurality of physical states.