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A note on simplified SINR expressions for OFDM with insufficient CP

01/23/2021

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by Renaud-Alexandre Pitaval, et al.

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This note provides derivation details of simplified OFDM transmission equation and resulting signal-to-interference plus noise ratio (SINR) for the case of an insufficient CP. Each channel component after demodulation is expressed as a single sum which can be interpreted a weighted Fourier transform of the channel impulse response.

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