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Orthogonal Frequency Division Multiplexing

ti-carrier modulation/multiplexing technique • Available bandwidth is divided into several subchannels • Data is serial-to-parallel converted • Symbols are transmitted on different subcarriers | Orthogonal Frequency Division Multiplexing Postgraduate Course in Radio Communications 30.11. Kari Pietikãinen kari.pietikainen@hut.fi Kari Pietikãinen Communications Laboratory HUT S-72.333 Postgraduate Course in Radio Communications di Outline OFDM - Subchannels - Pilots System overview - Coding Interleaving - Mapping - IFFT FFT - Guard time Cyclic prefix System planning example References Homework Kari Pietikãinen Communications Laboratory HUT S-72.333 Postgraduate Course in Radio Communications OFDM Multi-carrier modulation multiplexing technique Available bandwidth is divided into several subchannels Data is serial-to-parallel converted Symbols are transmitted on different subcarriers Kari Pietikãinen Communications Laboratory HUT S-72.333 Postgraduate Course in Radio .