OFDM Conventional orthogonal frequency division multiplexing(OFDM) system X(m)- serial to idFT h(n) Parallel X(n) Cyclic Prefix Prefix X(m) Parallel to serial qualizer( +Y(n) detector Removal det ann mator Georgia Institute of Technology Center for Signal and Image ProcessingGeorgia Institute of Technology Center for Signal and Image Processing • Conventional orthogonal frequency division multiplexing (OFDM) system. OFDM - I Serial to Parallel Parallel to Serial IDFT & Cyclic Prefix Prefix Removal & DFT X(m) X(n) Equalizer & Detector X(m) Channel Estimator Y(n) Tx Rx h(n)