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eess.SP2026

Off-grid Variational Bayesian Parameter Estimation for Fractional Delay-Doppler OTFS-ISAC

Van-Chung Luu, Duy H. N. Nguyen

This letter proposes an off-grid variational Bayesian (OVB) method for fractional delay-Doppler (DD) estimation in OTFS-based integrated sensing and communication (ISAC) systems. T…