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Author

Abdul Karim Gizzini

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Preprint Sep 2026

Impact of PA Nonlinearities on AFDM Sensing: A Matched Filtering Perspective

Affine Frequency Division Multiplexing (AFDM) is a promising waveform for integrated sensing and communications (ISAC) due to its Doppler resilience. However, such waveforms exhibit a high peak-to-average power ratio (PAPR), and they require highly linear Power Amplifiers (PAs), which conflicts with ISAC requirements,...

Eya Gourar, Y. Medjahdi, L. Clavier et al. · 1 citation
#explainable ai Preprint Sep 2026

X-RACE: XAI-assisted Recurrent neural network Attribution for Channel Estimation

The XAI-assisted Recurrent neural network Attribution for Channel Estimation (X-RACE) framework is proposed, and novel temporal XAI metrics: Saturation Time, Importance Drift, and Relevance Contrast are proposed to characterize the LSTM's learning dynamics and memory convergence.

Abdul Karim Gizzini, Y. Medjahdi · 0 citations

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