Ahmet M. Elbir

Publication Activity (10 Years)

Years Active: 2013-2024
Publications (10 Years): 87

Top Topics

Top Venues

IEEE Wirel. Commun. Lett.

IEEE Trans. Veh. Technol.

Publications

Ahmet M. Elbir, Kumar Vijay Mishra, Abdulkadir Celik, Ahmed M. Eltawil
The Curse of Beam-Squint in ISAC: Causes, Implications, and Mitigation Strategies. CoRR (2024)
Ahmet M. Elbir, Abdulkadir Celik, Ahmed M. Eltawil
NEAT-MUSIC: Auto-Calibration of DOA Estimation for Terahertz-Band Massive MIMO Systems. IEEE Wirel. Commun. Lett. 13 (2) (2024)
Ahmet M. Elbir, Abdulkadir Celik, Ahmed M. Eltawil, Moeness G. Amin
Index Modulation for Integrated Sensing and Communications: A Signal Processing Perspective. CoRR (2024)
Ahmet M. Elbir, Asmaa Abdallah, Abdulkadir Celik, Ahmed M. Eltawil
Spatial Path Index Modulation to Combat Beam-Squint Effect in THz-ISAC Systems. WCNC (2024)
Anastasios K. Papazafeiropoulos, Ahmet M. Elbir, Pandelis Kourtessis, Ioannis Krikidis, Symeon Chatzinotas
Cooperative RIS and STAR-RIS assisted mMIMO Communication: Analysis and Optimization. CoRR (2023)
Ahmet M. Elbir
A Unified Approach for Beam-Split Mitigation in Terahertz Wideband Hybrid Beamforming. IEEE Trans. Veh. Technol. 72 (9) (2023)
Ahmet M. Elbir, Symeon Chatzinotas
BSA-OMP: Beam-Split-Aware Orthogonal Matching Pursuit for THz Channel Estimation. IEEE Wirel. Commun. Lett. 12 (4) (2023)
Ahmet M. Elbir, Asmaa Abdallah, Abdulkadir Celik, Ahmed M. Eltawil
Antenna Selection With Beam Squint Compensation for Integrated Sensing and Communications. CoRR (2023)
Kumar Vijay Mishra, Ahmet M. Elbir, Koichi Ichige
Sparse Array Design for Direction Finding using Deep Learning. CoRR (2023)
Ahmet M. Elbir, Kumar Vijay Mishra, Symeon Chatzinotas
Spherical Wavefront Near-Field DoA Estimation in THz Automotive Radar. CoRR (2023)
Ahmet M. Elbir, Kumar Vijay Mishra, Sergiy A. Vorobyov, Robert W. Heath Jr.
Twenty-Five Years of Advances in Beamforming: From convex and nonconvex optimization to learning techniques. IEEE Signal Process. Mag. 40 (4) (2023)
Anastasios K. Papazafeiropoulos, Ahmet M. Elbir, Pandelis Kourtessis, Ioannis Krikidis, Symeon Chatzinotas
Cooperative RIS and STAR-RIS Assisted mMIMO Communication: Analysis and Optimization. IEEE Trans. Veh. Technol. 72 (9) (2023)
Ahmet M. Elbir, Kumar Vijay Mishra, Symeon Chatzinotas
NBA-OMP: Near-Field Beam-Split-Aware Orthogonal Matching Pursuit for Wideband THz Channel Estimation. ICASSP (2023)
Ahmet M. Elbir, Abdulkadir Celik, Ahmed M. Eltawil
NEAT-MUSIC: Auto-calibration of DOA Estimation for Terahertz-Band Massive MIMO Systems. CoRR (2023)
Ahmet M. Elbir, Abdulkadir Celik, Ahmed M. Eltawil
Near-field Hybrid Beamforming for Terahertz-band Integrated Sensing and Communications. GLOBECOM (Workshops) (2023)
Ahmet M. Elbir, Wei Shi, Kumar Vijay Mishra, Anastasios K. Papazafeiropoulos, Symeon Chatzinotas
Implicit Channel Learning For Machine Learning Applications In 6G Wireless Networks. ICASSP Workshops (2023)
Ahmet M. Elbir, Kumar Vijay Mishra, M. R. Bhavani Shankar, Symeon Chatzinotas
The Rise of Intelligent Reflecting Surfaces in Integrated Sensing and Communications Paradigms. IEEE Netw. 37 (6) (2023)
Ahmet M. Elbir, Kumar Vijay Mishra, Symeon Chatzinotas
Terahertz-Band Direction Finding With Beam-Split and Mutual Coupling Calibration. CoRR (2023)
Ahmet M. Elbir, Wei Shi, Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas
Terahertz-Band Channel and Beam Split Estimation via Array Perturbation Model. IEEE Open J. Commun. Soc. 4 (2023)
Ahmet M. Elbir, Wei Shi, Kumar Vijay Mishra, Symeon Chatzinotas
Federated Multi-Task Learning For THZ Wideband Channel And DOA Estimation. ICASSP Workshops (2023)
Ahmet M. Elbir, Wei Shi, Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas
Near-Field Terahertz Communications: Model-Based and Model-Free Channel Estimation. CoRR (2023)
Ahmet M. Elbir, Symeon Chatzinotas
BSA-OMP: Beam-Split-Aware Orthogonal Matching Pursuit for THz Channel Estimation. CoRR (2023)
Anastasios K. Papazafeiropoulos, Cunhua Pan, Ahmet M. Elbir, Van-Dinh Nguyen, Pandelis Kourtessis, Symeon Chatzinotas
Asymptotic Analysis of Max-Min Weighted SINR for IRS-Assisted MISO Systems With Hardware Impairments. IEEE Wirel. Commun. Lett. 12 (2) (2023)
Ahmet M. Elbir, Abdulkadir Celik, Ahmed M. Eltawil
Near-field Hybrid Beamforming for Terahertz-band Integrated Sensing and Communications. CoRR (2023)
Ahmet M. Elbir, Kumar Vijay Mishra, Symeon Chatzinotas
NBA-OMP: Near-field Beam-Split-Aware Orthogonal Matching Pursuit for Wideband THz Channel Estimation. CoRR (2023)
Ahmet M. Elbir, Kumar Vijay Mishra, Asmaa Abdallah, Abdulkadir Celik, Ahmed M. Eltawil
Spatial Path Index Modulation in mmWave/THz-Band Integrated Sensing and Communications. CoRR (2023)
Ahmet M. Elbir, Wei Shi, Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas
Near-Field Terahertz Communications: Model-Based and Model-Free Channel Estimation. IEEE Access 11 (2023)
Ahmet M. Elbir, Kumar Vijay Mishra, M. R. Bhavani Shankar, Björn E. Ottersten
A Family of Deep Learning Architectures for Channel Estimation and Hybrid Beamforming in Multi-Carrier mm-Wave Massive MIMO. IEEE Trans. Cogn. Commun. Netw. 8 (2) (2022)
Ahmet M. Elbir, Wei Shi, Kumar Vijay Mishra, Anastasios K. Papazafeiropoulos, Symeon Chatzinotas
Implicit Channel Learning for Machine Learning Applications in 6G Wireless Networks. CoRR (2022)
Ahmet M. Elbir, Kumar Vijay Mishra, M. R. Bhavani Shankar, Symeon Chatzinotas
The Rise of Intelligent Reflecting Surfaces in Integrated Sensing and Communications Paradigms. CoRR (2022)
Ahmet M. Elbir, Kumar Vijay Mishra, Sergiy A. Vorobyov, Robert W. Heath Jr.
Twenty-Five Years of Advances in Beamforming: From Convex and Nonconvex Optimization to Learning Techniques. CoRR (2022)
Ahmet M. Elbir, Wei Shi, Kumar Vijay Mishra, Symeon Chatzinotas
Federated Learning for THz Channel Estimation. CoRR (2022)
Ahmet M. Elbir, Burak Soner, Sinem Coleri, Deniz Gündüz, Mehdi Bennis
Federated Learning in Vehicular Networks. MeditCom (2022)
Ahmet M. Elbir
A Unified Approach for Beam-Split Mitigation in Terahertz Wideband Hybrid Beamforming. CoRR (2022)
Ahmet M. Elbir, Sinem Coleri, Kumar Vijay Mishra
Federated Channel Learning for Intelligent Reflecting Surfaces with Fewer Pilot Signals. SAM (2022)
Ahmet M. Elbir, Wei Shi, Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas
Terahertz-Band Channel and Beam Split Estimation via Array Perturbation Model. CoRR (2022)
Ahmet M. Elbir, Kumar Vijay Mishra, Abdulkadir Çelik, Ahmed M. Eltawil
Millimeter-Wave Radar Beamforming with Spatial Path Index Modulation Communications. CoRR (2022)
Ahmet M. Elbir, Sinem Coleri
Federated Learning for Channel Estimation in Conventional and RIS-Assisted Massive MIMO. IEEE Trans. Wirel. Commun. 21 (6) (2022)
Ahmet M. Elbir, Sinem Coleri, Kumar Vijay Mishra
Federated Channel Learning for Intelligent Reflecting Surfaces With Fewer Pilot Signals. CoRR (2022)
Ahmet M. Elbir, Kumar Vijay Mishra
Cognitive Learning-Aided Multi-Antenna Communications. IEEE Wirel. Commun. 29 (6) (2022)
Ahmet M. Elbir, Sinem Coleri, Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas
A Hybrid Architecture for Federated and Centralized Learning. IEEE Trans. Cogn. Commun. Netw. 8 (3) (2022)
Ahmet M. Elbir, Sinem Coleri, Kumar Vijay Mishra
Federated Dropout Learning for Hybrid Beamforming With Spatial Path Index Modulation In Multi-User mmWave-MIMO Systems. CoRR (2021)
Ahmet M. Elbir, Kumar Vjiay Mishra, Symeon Chatzinotas
Hybrid Beamforming for Terahertz Joint Ultra-Massive MIMO Radar-Communications. ISWCS (2021)
Ahmet M. Elbir, Sinem Coleri
A Family of Hybrid Federated and Centralized Learning Architectures in Machine Learning. CoRR (2021)
Ahmet M. Elbir, Kumar Vijay Mishra, Symeon Chatzinotas
Terahertz-Band Joint Ultra-Massive MIMO Radar-Communications: Model-Based and Model-Free Hybrid Beamforming. IEEE J. Sel. Top. Signal Process. 15 (6) (2021)
Anastasios K. Papazafeiropoulos, Cunhua Pan, Ahmet M. Elbir, Pandelis Kourtessis, Symeon Chatzinotas, John M. Senior
Coverage Probability of Distributed IRS Systems Under Spatially Correlated Channels. IEEE Wirel. Commun. Lett. 10 (8) (2021)
Ahmet M. Elbir, Anastasios K. Papazafeiropoulos, Symeon Chatzinotas
Federated Learning for Physical Layer Design. IEEE Commun. Mag. 59 (11) (2021)
Anastasios K. Papazafeiropoulos, Cunhua Pan, Ahmet M. Elbir, Van Nguyen, Pandelis Kourtessis, Symeon Chatzinotas
Asymptotic Analysis of Max-Min Weighted SINR for IRS-Assisted MISO Systems with Hardware Impairments. CoRR (2021)
Ahmet M. Elbir, Sinem Coleri, Kumar Vijay Mishra
Federated Dropout Learning for Hybrid Beamforming with Spatial Path Index Modulation in Multi-User Mmwave-Mimo Systems. ICASSP (2021)
Ahmet M. Elbir, Anastasios K. Papazafeiropoulos, Symeon Chatzinotas
Federated Learning for Physical Layer Design. CoRR (2021)
Anastasios K. Papazafeiropoulos, Cunhua Pan, Ahmet M. Elbir, Pandelis Kourtessis, Symeon Chatzinotas, John M. Senior
Coverage Probability of Distributed IRS Systems Under Spatially Correlated Channels. CoRR (2021)
Ahmet M. Elbir, Kumar Vijay Mishra, Symeon Chatzinotas
Terahertz-Band Joint Ultra-Massive MIMO Radar-Communications: Model-Based and Model-Free Hybrid Beamforming. CoRR (2021)
Ahmet M. Elbir, Sinem Coleri, Kumar Vijay Mishra
Hybrid Federated and Centralized Learning. EUSIPCO (2021)
Ahmet M. Elbir, Kumar Vijay Mishra
Sparse Array Selection Across Arbitrary Sensor Geometries With Deep Transfer Learning. IEEE Trans. Cogn. Commun. Netw. 7 (1) (2021)
Weihao Hou, Jinlong Sun, Guan Gui, Tomoaki Ohtsuki, Ahmet M. Elbir, Haris Gacanin, Hikmet Sari
Federated Learning for DL-CSI Prediction in FDD Massive MIMO Systems. IEEE Wirel. Commun. Lett. 10 (8) (2021)
Ahmet M. Elbir
Hybrid Federated and Centralized Learning. CoRR (2020)
Talha Mir, Muhammad Waqas, Usama Mir, Syed Mudassir Hussain, Ahmet M. Elbir, Shanshan Tu
Hybrid Precoding Design for Two-Way Relay-Assisted Terahertz Massive MIMO Systems. IEEE Access 8 (2020)
Ahmet M. Elbir, Kumar Vijay Mishra
Cognitive Learning-Aided Multi-Antenna Communications. CoRR (2020)
Ahmet M. Elbir
A Deep Learning Framework for Hybrid Beamforming Without Instantaneous CSI Feedback. CoRR (2020)
Ahmet M. Elbir, Kumar Vijay Mishra
A Survey of Deep Learning Architectures for Intelligent Reflecting Surfaces. CoRR (2020)
Ahmet M. Elbir, Kumar Vijay Mishra
Low-Complexity Limited-Feedback Deep Hybrid Beamforming for Broadband Massive MIMO. SPAWC (2020)
Ahmet M. Elbir, Sinem Coleri
Federated Learning for Hybrid Beamforming in mm-Wave Massive MIMO. IEEE Commun. Lett. 24 (12) (2020)
Ahmet M. Elbir, Sinem Coleri
Federated Learning for Vehicular Networks. CoRR (2020)
Ahmet M. Elbir, Gokhan Gurbilek, Burak Soner, Sinem Coleri
Vehicular Networks for Combating a Worldwide Pandemic: Preventing the Spread of COVID-19. CoRR (2020)
Ahmet M. Elbir, Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas
Deep Channel Learning for Large Intelligent Surfaces Aided mm-Wave Massive MIMO Systems. IEEE Wirel. Commun. Lett. 9 (9) (2020)
Ahmet M. Elbir, Anastasios K. Papazafeiropoulos
Hybrid Precoding for Multiuser Millimeter Wave Massive MIMO Systems: A Deep Learning Approach. IEEE Trans. Veh. Technol. 69 (1) (2020)
Ahmet M. Elbir, Sinem Coleri
Federated Deep Learning Framework For Hybrid Beamforming in mm-Wave Massive MIMO. CoRR (2020)
Ahmet M. Elbir
L-shaped coprime array structures for DOA estimation. Multidimens. Syst. Signal Process. 31 (1) (2020)
Ahmet M. Elbir, Kumar Vijay Mishra
Sparse Array Selection Across Arbitrary Sensor Geometries with Deep Transfer Learning. CoRR (2020)
Ahmet M. Elbir
A Deep Learning Framework for Hybrid Beamforming Without Instantaneous CSI Feedback. IEEE Trans. Veh. Technol. 69 (10) (2020)
Ahmet M. Elbir, Kumar Vijay Mishra
Joint Antenna Selection and Hybrid Beamformer Design Using Unquantized and Quantized Deep Learning Networks. IEEE Trans. Wirel. Commun. 19 (3) (2020)
Ahmet M. Elbir, Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas
Deep Channel Learning For Large Intelligent Surfaces Aided mm-Wave Massive MIMO Systems. CoRR (2020)
Ahmet M. Elbir, Sinem Coleri
Federated Learning for Channel Estimation in Conventional and IRS-Assisted Massive MIMO. CoRR (2020)
Ahmet M. Elbir
Joint-block-sparsity for efficient 2-D DOA estimation with multiple separable observations. Multidimens. Syst. Signal Process. 30 (4) (2019)
Ahmet M. Elbir
V-Shaped Sparse Arrays for 2-D DOA Estimation. Circuits Syst. Signal Process. 38 (6) (2019)
Ahmet M. Elbir
Two-Dimensional DOA Estimation via Shifted Sparse Arrays with Higher Degrees of Freedom. Circuits Syst. Signal Process. 38 (12) (2019)
Ahmet M. Elbir
Sensor array calibration with joint-block-sparsity in the presence of multiple separable observations. Signal Image Video Process. 13 (5) (2019)
Ahmet M. Elbir, Kumar Vijay Mishra
Robust Hybrid Beamforming With Quantized Deep Neural Networks. MLSP (2019)
Ahmet M. Elbir, Anastasios K. Papazafeiropoulos
Hybrid Precoding for Multi-User Millimeter Wave Massive MIMO Systems: A Deep Learning Approach. CoRR (2019)
Ahmet M. Elbir, Kumar Vijay Mishra
Deep Learning Strategies For Joint Channel Estimation and Hybrid Beamforming in Multi-Carrier mm-Wave Massive MIMO Systems. CoRR (2019)
Ahmet M. Elbir
CNN-Based Precoder and Combiner Design in mmWave MIMO Systems. IEEE Commun. Lett. 23 (7) (2019)
Ahmet M. Elbir
DeepMUSIC: Multiple Signal Classification via Deep Learning. CoRR (2019)
Ahmet M. Elbir
Calibration of directional mutual coupling for antenna arrays. Digit. Signal Process. 69 (2017)
Ahmet M. Elbir, T. Engin Tuncer
Compressed sensing for single snapshot direction finding in the presence of mutual coupling. SIU (2016)
Ahmet M. Elbir, T. Engin Tuncer
Single snapshot DOA estimation in the presence of mutual coupling for arbitrary array structures. SAM (2016)
Ahmet M. Elbir, T. Engin Tuncer
Direction-of-arrival and mutual coupling coefficient estimation with a single observation for arbitrary array structures. SIU (2016)
Ahmet M. Elbir, T. Engin Tuncer
2-D DOA and mutual coupling coefficient estimation for arbitrary array structures with single and multiple snapshots. Digit. Signal Process. 54 (2016)
Ahmet M. Elbir, T. Engin Tuncer
Sparse support recovery for DOA estimation in the presence of mutual coupling. EUSIPCO (2015)
Ahmet M. Elbir, T. Engin Tuncer
Sparse signal recovery for localization of coherent far- and near-field signals. SIU (2015)
Ahmet M. Elbir, T. Engin Tuncer
Direction finding and localization for far-field sources with near-field multipath reflections. SP/SPE (2015)
Ahmet M. Elbir, T. Engin Tuncer
Source localization with sparse recovery for coherent far- and near-field signals. SP/SPE (2015)
Ahmet M. Elbir, T. Engin Tuncer
Angle and position estimation for far-field and near-field multipath signals. SIU (2014)
Ahmet M. Elbir, T. Engin Tuncer
Ground calibration of antenna arrays for aeronautical vehicles. SIU (2013)