A method for configurating a basic signal allocation unit and a method of transmitting signals using the configurated basic signal allocation unit are disclosed. In particular, a basic frequency domain signal allocation unit is configurated by considering at least one selected from the group consisting...http://www.google.co.uk/patents/US20090122901?utm_source=gb-gplus-sharePatent US20090122901 - METHOD FOR CONFIGURATING BASIC SIGNAL ALLOCATION UNIT AND METHOD FOR TRANSMITTING SIGNALS USING THE SAME