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so how are ofdm and xdsl or dmt related and the first thing to say is that they both use the inverse fourier transform in the transmitter and then they use the fourier transform in the receiver and for more information on this check out the links in the description below the video for more details on ofdm and the way that they use the fourier transform is the same for both now ofdm stands for orthogonal frequency division multiplexing so you have orthogonal frequencies and you divide them up to multiplex data sequences and in thatamp;#39;s mostly used in wireless or talked about in wireless and in dsl the digital subscriber line technologies they use a version called discrete multi-tone but essentially itamp;#39;s the same concept so you take your data sequence and you iamp;#39;d like to draw it in this direction here so this is your sequence of symbols that youamp;#39;d like to send and weamp;#39;re going to call that vector x and you take that and you put that into the inverse f
