3. Benefits and limitations of OFDM
3.1 Orthogonality of subcarriers
3.1.1 Choice of subcarrier spacing
Here we study the choice of Δf. We consider the case of transmission on two different subcarriers. Ideally, reception on one frequency should be isolated from reception on the other. The signals must therefore be orthogonal.
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Two signals are orthogonals k (t ) and
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Benefits and limitations of OFDM
Using OFDM as an access technique
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