Autoencoder based Robust Transceivers for Fading Channels using Deep Neural Networks. - Sandesh Rao Mattu; T. Lakshmi Narasimhan; A. Chockalingam (VTC Spring, 2020)

An RNN based DD Channel Estimator for OTFS with Embedded Pilots. - Sandesh Rao Mattu; Ananthanarayanan Chockalingam (PIMRC, 2022)

Learning based Delay-Doppler Channel Estimation with Interleaved Pilots in OTFS. - Sandesh Rao Mattu; A. Chockalingam (VTC Fall, 2022)

Learning-Based Channel Estimation and Phase Noise Compensation in Doubly-Selective Channels. - Sandesh Rao Mattu; A. Chockalingam (IEEE Commun. Lett., 2022)

Deep Channel Prediction: A DNN Framework for Receiver Design in Time-Varying Fading Channels. - Sandesh Rao Mattu; Lakshmi Narasimhan Theagarajan; A. Chockalingam (IEEE Trans. Veh. Technol., 2022)

On the Bit Error Performance of OTFS Modulation using Discrete Zak Transform. - Vineetha Yogesh; Vighnesh S. Bhat; Sandesh Rao Mattu; A. Chockalingam (ICC, 2023)

Delay-Doppler Domain Channel Estimation for DZT-Based OTFS Systems. - Sai Pradeep Muppaneni; Sandesh Rao Mattu; A. Chockalingam (SPAWC, 2023)

Fractional Delay-Doppler Channel Estimation in OTFS with Sparse Superimposed Pilots using RNNs. - Sandesh Rao Mattu; A. Chockalingam (VTC2023-Spring, 2023)

Data-Aided Fractional Delay-Doppler Channel Estimation with Embedded Pilot Frames in DZT-Based OTFS. - Sai Pradeep Muppaneni; Sandesh Rao Mattu; A. Chockalingam (VTC Fall, 2023)

Sparse Superimposed Pilot Based Channel Estimation in OTFS Systems. - Fathima Jesbin; Sandesh Rao Mattu; A. Chockalingam (WCNC, 2023)

Channel and Radar Parameter Estimation With Fractional Delay-Doppler Using OTFS. - Sai Pradeep Muppaneni; Sandesh Rao Mattu; A. Chockalingam (IEEE Commun. Lett., 2023)

Neighborhood Search Aided QRDM with Adaptive Node Selection for MIMO-OFDM Systems. - Sandesh Rao Mattu; Bharath Shamasundar; Hari Krishna Boddapati; Ashok Kumar Reddy Chavva (GLOBECOM, 2024)

Delay-Doppler Channel Estimation in DZT-OTFS via Deep Learning in Time-Frequency Domain. - Sandesh Rao Mattu; A. Chockalingam (VTC Spring, 2024)

Iterative Channel Estimation/Detection for DZT-OTFS Using Superimposed Pilot Frames. - Vineetha Yogesh; Sandesh Rao Mattu; A. Chockalingam (VTC Spring, 2024)

On the PAPR of Discrete Zak Transform Based OTFS Modulation. - Vineetha Yogesh; Anagha V; Sandesh Rao Mattu; A. Chockalingam (VTC Spring, 2024)

Delay-Doppler Signal Processing with Zadoff-Chu Sequences. - Sandesh Rao Mattu; Imran Ali Khan; Venkatesh Khammammetti; Beyza Dabak; Saif Khan Mohammed; Krishna Narayanan; A. Robert Calderbank (CoRR, 2024)

Low-Complexity Delay-Doppler Channel Estimation in Discrete Zak Transform Based OTFS. - Vineetha Yogesh; Sandesh Rao Mattu; A. Chockalingam (IEEE Commun. Lett., 2024)

Learning in Time-Frequency Domain for Fractional Delay-Doppler Channel Estimation in OTFS. - Sandesh Rao Mattu; A. Chockalingam (IEEE Wirel. Commun. Lett., 2024)

Low-Complexity Detection of Multiple Preambles in the Presence of Mobility and Delay Spread. - Sandesh Rao Mattu; Beyza Dabak; Venkatesh Khammammetti; A. Robert Calderbank (CoRR, 2025)

Zak-OTFS for Spread Spectrum Communication. - Nishant Mehrotra; Sandesh Rao Mattu; A. Robert Calderbank (CoRR, 2025)

Zak-OFDM: Low Complexity Joint Equalization of OFDM Carriers in Doubly-Spread Channels. - Saif Khan Mohammed; Sandesh Rao Mattu; Nishant Mehrotra; Venkatesh Khammammetti; A. Robert Calderbank (CoRR, 2025)

Differential Communication in Channels with Mobility and Delay Spread using Zak-OTFS. - Sandesh Rao Mattu; Nishant Mehrotra; A. Robert Calderbank (CoRR, 2025)