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A note on simplified SINR expressions for OFDM with insufficient CP
Renaud-Alexandre Pitaval · 2021-01-24 · via cs.IT updates on arXiv.org

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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