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eess.SP2026
Data-Aided Asynchronous OFDM Integrated Sensing and Communications: A Mean-Field Variational Bayes Approach
Van-Chung Luu, Nuria González Prelcic, Duy H. N Nguyen
Integrated sensing and communication (ISAC) is regarded as a key technology for sixth-generation wireless networks, allowing sensing and communication operations to jointly utilize…
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…
eess.SP2026
Semi-Gridless Variational Bayes Channel Estimation in XL-MIMO: Near-Field Modeling and Inference
Van-Chung Luu, Toan-Van Nguyen, Nuria González-Prelcic +1
Extremely large antenna arrays and high-frequency operation are two key technologies that advance performance metrics such as higher data rates, lower latency, and wider coverage i…