3 papers
eess.SP2025
An Artificial Intelligence Enabled Signature Estimation of Dual Wideband Systems in Ultra-Low Signal-to-Noise Ratio
Chandrashekhar Rai, Debarati Sen
Millimeter-wave (mmWave) massive Multiple Input Multiple Output (MIMO) systems encounter both spatial wideband spreading and temporal wideband effects in the communication channels…
eess.SP2025
A Two-Stage Rotation-Based Super-Resolution Signature Estimation for Spatial Wideband Systems
Chandrashekhar Rai, Debarati Sen
Spatial and temporal delays in a wireless multi-antenna system, paired with an orthogonal frequency division multiplexing (OFDM) waveform, can be utilized to estimate the Angle of…
eess.SP2024
Low Complexity DoA-ToA Signature Estimation for Multi-Antenna Multi-Carrier Systems
Chandrashekhar Rai, Debarati Sen
Accurate direction of arrival (DoA) and time of arrival (ToA) estimation is an stringent requirement for several wireless systems like sonar, radar, communications, and dual-functi…