Ground calibration of antenna arrays for aeronautical vehicles. - Ahmet M. Elbir; T. Engin Tuncer (SIU, 2013)

Angle and position estimation for far-field and near-field multipath signals. - Ahmet M. Elbir; T. Engin Tuncer (SIU, 2014)

Source localization with sparse recovery for coherent far- and near-field signals. - Ahmet M. Elbir; T. Engin Tuncer (SP/SPE, 2015)

Direction finding and localization for far-field sources with near-field multipath reflections. - Ahmet M. Elbir; T. Engin Tuncer (SP/SPE, 2015)

Sparse support recovery for DOA estimation in the presence of mutual coupling. - Ahmet M. Elbir; T. Engin Tuncer (EUSIPCO, 2015)

Sparse signal recovery for localization of coherent far- and near-field signals. - Ahmet M. Elbir; T. Engin Tuncer (SIU, 2015)

Single snapshot DOA estimation in the presence of mutual coupling for arbitrary array structures. - Ahmet M. Elbir; T. Engin Tuncer (SAM, 2016)

Direction-of-arrival and mutual coupling coefficient estimation with a single observation for arbitrary array structures. - Ahmet M. Elbir; T. Engin Tuncer (SIU, 2016)

Compressed sensing for single snapshot direction finding in the presence of mutual coupling. - Ahmet M. Elbir; T. Engin Tuncer (SIU, 2016)

2-D DOA and mutual coupling coefficient estimation for arbitrary array structures with single and multiple snapshots. - Ahmet M. Elbir; T. Engin Tuncer (Digit. Signal Process., 2016)

Calibration of directional mutual coupling for antenna arrays. - Ahmet M. Elbir (Digit. Signal Process., 2017)

Robust Hybrid Beamforming With Quantized Deep Neural Networks. - Ahmet M. Elbir; Kumar Vijay Mishra (MLSP, 2019)

Hybrid Precoding for Multi-User Millimeter Wave Massive MIMO Systems: A Deep Learning Approach. - Ahmet M. Elbir; Anastasios K. Papazafeiropoulos (CoRR, 2019)

DeepMUSIC: Multiple Signal Classification via Deep Learning. - Ahmet M. Elbir (CoRR, 2019)

Deep Learning Strategies For Joint Channel Estimation and Hybrid Beamforming in Multi-Carrier mm-Wave Massive MIMO Systems. - Ahmet M. Elbir; Kumar Vijay Mishra (CoRR, 2019)

V-Shaped Sparse Arrays for 2-D DOA Estimation. - Ahmet M. Elbir (Circuits Syst. Signal Process., 2019)

Two-Dimensional DOA Estimation via Shifted Sparse Arrays with Higher Degrees of Freedom. - Ahmet M. Elbir (Circuits Syst. Signal Process., 2019)

CNN-Based Precoder and Combiner Design in mmWave MIMO Systems. - Ahmet M. Elbir (IEEE Commun. Lett., 2019)

Joint-block-sparsity for efficient 2-D DOA estimation with multiple separable observations. - Ahmet M. Elbir (Multidimens. Syst. Signal Process., 2019)

Sensor array calibration with joint-block-sparsity in the presence of multiple separable observations. - Ahmet M. Elbir (Signal Image Video Process., 2019)

Low-Complexity Limited-Feedback Deep Hybrid Beamforming for Broadband Massive MIMO. - Ahmet M. Elbir; Kumar Vijay Mishra (SPAWC, 2020)

Hybrid Precoding Design for Two-Way Relay-Assisted Terahertz Massive MIMO Systems. - Talha Mir; Muhammad Waqas 001; Usama Mir; Syed Mudassir Hussain; Ahmet M. Elbir; Shanshan Tu (IEEE Access, 2020)

Federated Deep Learning Framework For Hybrid Beamforming in mm-Wave Massive MIMO. - Ahmet M. Elbir; Sinem Coleri (CoRR, 2020)

Federated Learning for Vehicular Networks. - Ahmet M. Elbir; Sinem Coleri (CoRR, 2020)

Federated Learning for Channel Estimation in Conventional and IRS-Assisted Massive MIMO. - Ahmet M. Elbir; Sinem Coleri (CoRR, 2020)

A Survey of Deep Learning Architectures for Intelligent Reflecting Surfaces. - Ahmet M. Elbir; Kumar Vijay Mishra (CoRR, 2020)

Vehicular Networks for Combating a Worldwide Pandemic: Preventing the Spread of COVID-19. - Ahmet M. Elbir; Gökhan Görbilek; Burak Soner; Sinem Coleri (CoRR, 2020)

Hybrid Federated and Centralized Learning. - Ahmet M. Elbir (CoRR, 2020)

Federated Learning for Hybrid Beamforming in mm-Wave Massive MIMO. - Ahmet M. Elbir; Sinem Coleri (IEEE Commun. Lett., 2020)

L-shaped coprime array structures for DOA estimation. - Ahmet M. Elbir (Multidimens. Syst. Signal Process., 2020)

A Deep Learning Framework for Hybrid Beamforming Without Instantaneous CSI Feedback. - Ahmet M. Elbir (IEEE Trans. Veh. Technol., 2020)

Hybrid Precoding for Multiuser Millimeter Wave Massive MIMO Systems: A Deep Learning Approach. - Ahmet M. Elbir; Anastasios K. Papazafeiropoulos (IEEE Trans. Veh. Technol., 2020)

Joint Antenna Selection and Hybrid Beamformer Design Using Unquantized and Quantized Deep Learning Networks. - Ahmet M. Elbir; Kumar Vijay Mishra (IEEE Trans. Wirel. Commun., 2020)

Deep Channel Learning for Large Intelligent Surfaces Aided mm-Wave Massive MIMO Systems. - Ahmet M. Elbir; Anastasios K. Papazafeiropoulos; Pandelis Kourtessis; Symeon Chatzinotas (IEEE Wirel. Commun. Lett., 2020)

Hybrid Federated and Centralized Learning. - Ahmet M. Elbir; Sinem Coleri; Kumar Vijay Mishra (EUSIPCO, 2021)

Federated Dropout Learning for Hybrid Beamforming with Spatial Path Index Modulation in Multi-User Mmwave-Mimo Systems. - Ahmet M. Elbir; Sinem Coleri; Kumar Vijay Mishra (ICASSP, 2021)

Hybrid Beamforming for Terahertz Joint Ultra-Massive MIMO Radar-Communications. - Ahmet M. Elbir; Kumar Vijay Mishra; Symeon Chatzinotas (ISWCS, 2021)

Federated Learning for Physical Layer Design. - Ahmet M. Elbir; Anastasios K. Papazafeiropoulos; Symeon Chatzinotas (IEEE Commun. Mag., 2021)

A Family of Hybrid Federated and Centralized Learning Architectures in Machine Learning. - Ahmet M. Elbir; Sinem Coleri (CoRR, 2021)

Terahertz-Band Joint Ultra-Massive MIMO Radar-Communications: Model-Based and Model-Free Hybrid Beamforming. - Ahmet M. Elbir; Kumar Vijay Mishra; Symeon Chatzinotas (IEEE J. Sel. Top. Signal Process., 2021)

Sparse Array Selection Across Arbitrary Sensor Geometries With Deep Transfer Learning. - Ahmet M. Elbir; Kumar Vijay Mishra (IEEE Trans. Cogn. Commun. Netw., 2021)

Federated Learning for DL-CSI Prediction in FDD Massive MIMO Systems. - Weihao Hou; Jinlong Sun; Guan Gui 001; Tomoaki Ohtsuki; Ahmet M. Elbir; Haris Gacanin; Hikmet Sari (IEEE Wirel. Commun. Lett., 2021)

Coverage Probability of Distributed IRS Systems Under Spatially Correlated Channels. - Anastasios K. Papazafeiropoulos; Cunhua Pan; Ahmet M. Elbir; Pandelis Kourtessis; Symeon Chatzinotas; John M. Senior (IEEE Wirel. Commun. Lett., 2021)

Federated Channel Learning for Intelligent Reflecting Surfaces with Fewer Pilot Signals. - Ahmet M. Elbir; Sinem Coleri; Kumar Vijay Mishra (SAM, 2022)

Federated Learning in Vehicular Networks. - Ahmet M. Elbir; Burak Soner; Sinem Coleri; Deniz Gündüz; Mehdi Bennis (MeditCom, 2022)

Federated Learning for THz Channel Estimation. - Ahmet M. Elbir; Wei Shi 001; Kumar Vijay Mishra; Symeon Chatzinotas (CoRR, 2022)

Millimeter-Wave Radar Beamforming with Spatial Path Index Modulation Communications. - Ahmet M. Elbir; Kumar Vijay Mishra; Abdulkadir Çelik; Ahmed M. Eltawil (CoRR, 2022)

A Hybrid Architecture for Federated and Centralized Learning. - Ahmet M. Elbir; Sinem Coleri; Anastasios K. Papazafeiropoulos; Pandelis Kourtessis; Symeon Chatzinotas (IEEE Trans. Cogn. Commun. Netw., 2022)

A Family of Deep Learning Architectures for Channel Estimation and Hybrid Beamforming in Multi-Carrier mm-Wave Massive MIMO. - Ahmet M. Elbir; Kumar Vijay Mishra; M. R. Bhavani Shankar; Björn E. Ottersten (IEEE Trans. Cogn. Commun. Netw., 2022)

Federated Learning for Channel Estimation in Conventional and RIS-Assisted Massive MIMO. - Ahmet M. Elbir; Sinem Coleri (IEEE Trans. Wirel. Commun., 2022)

Cognitive Learning-Aided Multi-Antenna Communications. - Ahmet M. Elbir; Kumar Vijay Mishra (IEEE Wirel. Commun., 2022)

Near-field Hybrid Beamforming for Terahertz-band Integrated Sensing and Communications. - Ahmet M. Elbir; Abdulkadir Celik; Ahmed M. Eltawil (GLOBECOM (Workshops), 2023)

NBA-OMP: Near-Field Beam-Split-Aware Orthogonal Matching Pursuit for Wideband THz Channel Estimation. - Ahmet M. Elbir; Kumar Vijay Mishra; Symeon Chatzinotas (ICASSP, 2023)

Federated Multi-Task Learning For THZ Wideband Channel And DOA Estimation. - Ahmet M. Elbir; Wei Shi 001; Kumar Vijay Mishra; Symeon Chatzinotas (ICASSP Workshops, 2023)

Implicit Channel Learning For Machine Learning Applications In 6G Wireless Networks. - Ahmet M. Elbir; Wei Shi 001; Kumar Vijay Mishra; Anastasios K. Papazafeiropoulos; Symeon Chatzinotas (ICASSP Workshops, 2023)

Near-Field Terahertz Communications: Model-Based and Model-Free Channel Estimation. - Ahmet M. Elbir; Wei Shi 001; Anastasios K. Papazafeiropoulos; Pandelis Kourtessis; Symeon Chatzinotas (IEEE Access, 2023)

Sparse Array Design for Direction Finding using Deep Learning. - Kumar Vijay Mishra; Ahmet M. Elbir; Koichi Ichige (CoRR, 2023)

Terahertz-Band Direction Finding With Beam-Split and Mutual Coupling Calibration. - Ahmet M. Elbir; Kumar Vijay Mishra; Symeon Chatzinotas (CoRR, 2023)

Spherical Wavefront Near-Field DoA Estimation in THz Automotive Radar. - Ahmet M. Elbir; Kumar Vijay Mishra; Symeon Chatzinotas (CoRR, 2023)

Terahertz-Band Channel and Beam Split Estimation via Array Perturbation Model. - Ahmet M. Elbir; Wei Shi 001; Anastasios K. Papazafeiropoulos; Pandelis Kourtessis; Symeon Chatzinotas (IEEE Open J. Commun. Soc., 2023)

Asymptotic Analysis of Max-Min Weighted SINR for IRS-Assisted MISO Systems With Hardware Impairments. - Anastasios K. Papazafeiropoulos; Cunhua Pan; Ahmet M. Elbir; Van-Dinh Nguyen; Pandelis Kourtessis; Symeon Chatzinotas (IEEE Wirel. Commun. Lett., 2023)

BSA-OMP: Beam-Split-Aware Orthogonal Matching Pursuit for THz Channel Estimation. - Ahmet M. Elbir; Symeon Chatzinotas (IEEE Wirel. Commun. Lett., 2023)

Twenty-Five Years of Advances in Beamforming: From convex and nonconvex optimization to learning techniques. - Ahmet M. Elbir; Kumar Vijay Mishra; Sergiy A. Vorobyov; Robert W. Heath Jr. (IEEE Signal Process. Mag., 2023)

A Unified Approach for Beam-Split Mitigation in Terahertz Wideband Hybrid Beamforming. - Ahmet M. Elbir (IEEE Trans. Veh. Technol., 2023)

Cooperative RIS and STAR-RIS Assisted mMIMO Communication: Analysis and Optimization. - Anastasios K. Papazafeiropoulos; Ahmet M. Elbir; Pandelis Kourtessis; Ioannis Krikidis; Symeon Chatzinotas (IEEE Trans. Veh. Technol., 2023)

The Rise of Intelligent Reflecting Surfaces in Integrated Sensing and Communications Paradigms. - Ahmet M. Elbir; Kumar Vijay Mishra; M. R. Bhavani Shankar; Symeon Chatzinotas (IEEE Netw., 2023)

DoA Estimation in RIS-Assisted Network via Element Sampling and Sparse Reconstruction. - Shraddha Tripathi; Ahmet M. Elbir; Tushar Sandhan; Rajesh M. Hegde (6GNet, 2024)

Joint Antenna and Spatial Path Index Modulation for THz Integrated Sensing and Communications. - Ahmet M. Elbir; Asmaa Abdallah; Abdulkadir Celik; Ahmed M. Eltawil (GLOBECOM, 2024)

Sparse Array Design for ISAC in the Presence of Beam-Squint. - Ahmet M. Elbir; Asmaa Abdallah; Abdulkadir Celik; Ahmed M. Eltawil (ICCSPA, 2024)

Near-Field Automotive Joint Radar-Communications with Spatial Path Index Modulation. - Ahmet M. Elbir; Kumar Vijay Mishra; Abdulkadir Celik; Ahmed M. Eltawil (SAM, 2024)

Cell-Free Integrated Sensing and Communications with Hybrid Beamforming. - Ahmet M. Elbir; Kumar Vijay Mishra; Abdulkadir Celik; Ahmed M. Eltawil (SPAWC, 2024)

Spatial Path Index Modulation to Combat Beam-Squint Effect in THz-ISAC Systems. - Ahmet M. Elbir; Asmaa Abdallah; Abdulkadir Celik; Ahmed M. Eltawil (WCNC, 2024)

Index Modulation for Integrated Sensing and Communications: A Signal Processing Perspective. - Ahmet M. Elbir; Abdulkadir Celik; Ahmed M. Eltawil; Moeness G. Amin (CoRR, 2024)

NEAT-MUSIC: Auto-Calibration of DOA Estimation for Terahertz-Band Massive MIMO Systems. - Ahmet M. Elbir; Abdulkadir Celik; Ahmed M. Eltawil (IEEE Wirel. Commun. Lett., 2024)

Introduction to the Special Issue Near-Field Signal Processing: Algorithms, Implementations and Applications. - Ahmet M. Elbir; Kumar Vijay Mishra; Özlem Tugfe Demir; Emil Björnson; Angel Lozano (IEEE J. Sel. Top. Signal Process., 2024)

Antenna Selection With Beam Squint Compensation for Integrated Sensing and Communications. - Ahmet M. Elbir; Asmaa Abdallah; Abdulkadir Celik; Ahmed M. Eltawil (IEEE J. Sel. Top. Signal Process., 2024)

The Curse of Beam-Squint in ISAC: Causes, Implications, and Mitigation Strategies. - Ahmet M. Elbir; Kumar Vijay Mishra; Abdulkadir Celik; Ahmed M. Eltawil (IEEE Commun. Mag., 2024)

Index Modulation for Integrated Sensing and Communications: A signal processing perspective [Special Issue on Signal Processing for the Integrated Sensing and Communications Revolution]. - Ahmet M. Elbir; Abdulkadir Celik; Ahmed M. Eltawil; Moeness G. Amin (IEEE Signal Process. Mag., 2024)

Spatial Path Index Modulation in mmWave/THz Band Integrated Sensing and Communications. - Ahmet M. Elbir; Kumar Vijay Mishra; Asmaa Abdallah; Abdulkadir Celik; Ahmed M. Eltawil (IEEE Trans. Wirel. Commun., 2024)

Cell-Free Massive MIMO-OFDM with Low-Resolution ADCs. - Özlem Tugfe Demir; Ahmet M. Elbir; Emil Björnson (WiOpt, 2025)

Near-Field Signal Processing: Unleashing the power of proximity. - Ahmet M. Elbir; Özlem Tugfe Demir; Kumar Vijay Mishra; Symeon Chatzinotas; Martin Haardt (IEEE Signal Process. Mag., 2025)

Special Issue on Near-Field Signal Processing: Communications, Sensing, and Imaging. - Ahmet M. Elbir; Ana Isabel Pérez-Neira; Henry Arguello; Martin Haardt; Moeness G. Amin; Tie Jun Cui (IEEE Signal Process. Mag., 2025)

Hybrid Beamforming for Integrated Sensing and Communications With Low Resolution DACs. - Ahmet M. Elbir; Abdulkadir Celik; Ahmed M. Eltawil (IEEE Wirel. Commun. Lett., 2025)

Comprehensive Analysis of Behavioral Hardware Impairments in Cell-Free Massive MIMO-OFDM Uplink: Centralized Operation. - Özlem Tugfe Demir; Muhammed Selman Somuncu; Ahmet M. Elbir; Emil Björnson (CoRR, 2025)