The invention relates to a method for carrying out a Two Way Ranging, preferably a Symmetrical Double-Sided Two Way Ranging, between a blind node whose position is unknown and to be determined and at least one reference or mobile node whose position is known in order to determine the location of the blind node, wherein the blind node and the reference or mobile node comprise wireless transceivers for transmitting and receiving radio signals. The invention is characterized in that the Symmetrical Double-Sided Two Way Ranging is initiated by the blind node.