PUBLICATIONS

Research Fellow, University of Luxembourg

e-mail: ahmetmelbir@ieee.org & ahmetmelbir@gmail.com

Short Bio:

Ahmet M. Elbir (Senior Member, IEEE) received the B.S. degree with Honors from Firat University in 2009, and the Ph.D. degree from the Middle East Technical University (METU) in 2016, both in electrical engineering. He is currently a Research Fellow at University of Luxembourg. He is also a Research Associate at King Abdullah University of Science and Technology (KAUST) since 2023. In the past, Dr Elbir has held Visiting Postdoctoral Researcher positions at Koc University in 2020-2021, Carleton University in 2022-2023, and the University of Hertfordshire in 2021-2023. In 2016-2022, he worked as a Senior Researcher at Duzce University. His research interests include array signal processing for radar and communications, and deep learning for multi-antenna systems. He has served as an Associate Editor for IEEE Wireless Communications Letters, and a Lead Guest Editor for IEEE Journal of Selected Topics in Signal Processing, IEEE Signal Processing Magazine and IEEE Wireless Communications. Dr. Elbir is the recipient of the 2016 METU Best Ph.D. thesis award for his doctoral studies, the 2022 IEEE Turkey Section Research Encouragement Award, and the IET Radar, Sonar & Navigation Best Paper Award in 2022.

Research Interests:

Array Signal Processing for Radar & Communications
Millimeter-Wave & THz Communications
Integrated Sensing and Communications
Intelligent Reflecting Surfaces
Sparsity-Driven Convex Optimization for Radar & Communications

Submitted Works:

A. M. Elbir, A. Celik and A. M. Eltawil and M. G. Amin, "Index Modulation for Integrated Sensing and Communications: A Signal Processing Perspective", [preprint]
A. M. Elbir, K. V. Mishra, S. Chatzinotas, M. Bennis, "Terahertz-Band Integrated Sensing and Communications: Challenges and Opportunities", [Preprint]

Published Papers:

2024

[J44] A. M. Elbir, A. Abdallah, A. Celik and A. M. Eltawil, "Antenna Selection With Beam Squint Compensation for Integrated Sensing and Communications", IEEE Journal of Selected Topics in Signal Processing [Preprint] [Full Paper]
[J43] A. M. Elbir, K. V. Mishra, A. Abdallah, A. Celik and A. M. Eltawil, "Spatial Path Index Modulation in mmWave/THz-Band Integrated Sensing and Communications", IEEE Transactions on Wireless Communications, [Preprint] [Full Paper]
[J42] A. M. Elbir, A. Celik and A. M. Eltawil, "NEAT-MUSIC: Auto-calibration of DOA Estimation for Terahertz-Band Massive MIMO Systems", IEEE Wireless Communications Letters, vol. 13, no. 2, pp. 451-455, Feb. 2024 [Preprint] [Full Paper]
[C35] A. M. Elbir, A. Abdallah, A. Celik and A. M. Eltawil, "Sparse Array Design for ISAC in the Presence of Beam-Squint", 2024 6th International Conference on Communications, Signal Processing, and their Applications (ICCSPA), Istanbul, 8-11 July, 2024
[C34] A. M. Elbir, K. V. Mishra, A. Celik and A. M. Eltawil, "Near-field Automotive Joint Radar-Communications With Spatial Path Index Modulation", IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM 2024), Oregon, USA, 8-11 July 2024
[C33] A. M. Elbir, A. Abdallah, A. Celik and A. M. Eltawil, "Spatial Path Index Modulation To Combat Beam-Squint Effect in THz-ISAC Systems", 2024 IEEE Wireless Communications and Networking Conference (WCNC), Dubai, United Arab Emirates, April, 2024.
[C32] A. M. Elbir, K. V. Mishra and S. Chatzinotas, "Spherical Wavefront Near-Field DoA Estimation in THz Automotive Radar", 2024 18th European Conference on Antennas and Propagation (EuCAP), Glasgow, Scotland, March, 2024. [Preprint]
[BC4] A. M. Elbir and W. Shi, "Federated Learning for Wireless Communications", in Artificial Intelligence for Future Networks, M. A. Matin, S. K. Goudos and G. K. Karagiannidis (Eds), Wiley-IEEE Press, 2024
[BC3] A. M. Elbir and S. Chatzinotas, "Beamforming Architectures for Integrated Sensing and Communications in Millimeter-wave and Terahertz", in Integrated Sensing and Communications for Future Wireless Networks: Principles, Advances and Key Enabling Technologies, Elsevier, 2024.
[BC2] K. V. Mishra, A. M. Elbir and K Ichige, "Sparse Array Design for Direction Finding using Deep Learning", in Sparse Arrays for Radar, Sonar, and Communications, M. G. Amin (Ed), Wiley-IEEE Press, 2024 [Preprint]
[T9] A. M. Elbir and K. V. Mishra, "Tutorial: Learning Techniques for mmWave/THz Communications and Sensing", IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM 2024), Oregon, USA, 8-11 July 2024
[T8] A. M. Elbir and K. V. Mishra, "Tutorial: Learning-Aided mmWave/THz Communications and Sensing", IEEE International Symposium on Dynamic Spectrum Access Networks, Washington, DC, USA, 13–16 May 2024
[T7] A. M. Elbir and K. V. Mishra, "Tutorial: Learning Methods for Beyond 5G Communications, Localization, and Sensing", IEEE International Conference on Communications, Denver, CO, USA, 9-13 June 2024

2023 [10J, 7C, 3T]

[J41] A. M. Elbir, K. V. Mishra, M. R. B. Shankar and S. Chatzinotas, "The Rise of Intelligent Reflecting Surfaces in Integrated Sensing and Communications Paradigms", IEEE Network, vol. 37, no. 6, pp. 224-231, Nov. 2023, doi: 10.1109/MNET.128.2200446 [Preprint] [Full Paper]
[J40] A. M. Elbir, K. V. Mishra and S. Chatzinotas "Terahertz-Band Direction Finding With Beam-Split and Mutual Coupling Calibration", IEEE Antennas and Wireless Propagation Letters, vol. 22, no. 11, pp. 2720-2724, Nov. 2023, doi: 10.1109/LAWP.2023.3313350. [Preprint] [Full Paper]
[J39] L. Wei, C. Huang, G. C. Alexandropoulos, A. M. Elbir, Z. Yang, Z. Zhang, M. Di Renzo, M. Debbah, C. Yuen, "Wireless Communications Empowered by Reconfigurable Intelligent Surfaces: Model-Based vs Model-Free Channel Estimation", Journal of Information and Intelligence, 1(3), 253–266. doi: 10.1016/j.jiixd.2023.06.010 [Full Paper]
[J38] A. M. Elbir, W. Shi, A. K. Papazafeiropoulos, P. Kourtessis, and S. Chatzinotas, "Near-Field Terahertz Communications: Model-Based and Model-Free Channel Estimation", IEEE Access, vol. 11, pp. 36409-36420, 2023, doi: 10.1109/ACCESS.2023.3266297. [Preprint] [Full Paper]
[J37] A. K. Papazafeiropoulos, A. M. Elbir, P. Kourtessis, I. Krikidis and S. Chatzinotas, "Cooperative RIS and STAR-RIS assisted mMIMO Communication: Analysis and Optimization", IEEE Transactions on Vehicular Technology, vol. 72, no. 9, pp. 11975-11989, Sept. 2023, doi: 10.1109/TVT.2023.3264724. [Full Paper]
[J36] A. M. Elbir, W. Shi, A. K. Papazafeiropoulos, P. Kourtessis, and S. Chatzinotas, "Terahertz-Band Channel and Beam Split Estimation via Array Perturbation Model", IEEE Open Journal of Communications Society, vol. 4, pp. 892-907, 2023, doi: 10.1109/OJCOMS.2023.3263625. [Preprint] [Full Paper]
[J35] A. M. Elbir, K. V. Mishra, S. A. Vorobyov, R. W. Heath Jr, "Twenty-Five Years of Advances in Beamforming: From Convex and Nonconvex Optimization to Learning Techniques", IEEE Signal Processing Magazine, vol. 40, no. 4, pp. 118-131, June 2023, doi: 10.1109/MSP.2023.3262366. [Preprint] [Full Paper]
[J34] A. M. Elbir, "A Unified Approach for Beam-Split Mitigation in Wideband THz Hybrid Beamforming", IEEE Transactions on Vehicular Technology, vol. 72, no. 9, pp. 12355-12360, Sept. 2023, doi: 10.1109/TVT.2023.3265395. [Preprint] [Full Paper]
[J33] A. M. Elbir and S. Chatzinotas, "BSA-OMP: Beam-Split-Aware Orthogonal Matching Pursuit for THz Channel Estimation", IEEE Wireless Communications Letters, vol. 12, no. 4, pp. 738-742, April 2023, doi: 10.1109/LWC.2023.3242699. [Preprint] [Full Paper]
[J32] A. K. Papazafeiropoulos, C. Pan, A. M. Elbir, V. Nguyen, P. Kourtessis, S. Chatzinotas, "Asymptotic Analysis of Max-Min Weighted SINR for IRS-Assisted MISO Systems with Hardware Impairments", IEEE Wireless Communications Letters, vol. 12, no. 2, pp. 192-196, Feb. 2023, doi: 10.1109/LWC.2021.3095678. [Full Paper]
[C31] A. M. Elbir, A. Celik and A. M. Eltawil, "Near-field Hybrid Beamforming for Terahertz-band Integrated Sensing and Communications", 2023 IEEE Globecom Workshops (GC Wkshps), Kuala Lumpur, Malaysia, 2023. [Preprint]
[C30] A. M. Elbir, K. V. Mishra and A. C. Gurbuz, "Deep Sparse Array Design for Integrated Sensing and Communications", 2023 IEEE International Radar Conference (RADAR), Sydney, Australia, Nov 2023.
[C29] A. M. Elbir and K. V. Mishra, "Machine Learning Techniques for Terahertz Channel Estimation", URSI GASS 2023, Sapporo, Japan, 19 – 26 August 2023
[C28] A. M. Elbir, W. Shi, K. V. Mishra, A. K. Papazafeiropoulos and S. Chatzinotas, "Implicit Channel Learning for Machine Learning Applications in 6G Wireless Networks ", 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Rhode Islands, Greece, June 2023 [Preprint]
[C27] A. M. Elbir, W. Shi, K. V. Mishra and S. Chatzinotas, "Federated Multi-Task Learning for THz Wideband Channel and DoA Estimation", 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Rhode Islands, Greece, June 2023. [Preprint]
[C26] A. M. Elbir, K. V. Mishra and S. Chatzinotas, "NBA-OMP: Near-field Beam-Split-Aware Orthogonal Matching Pursuit for Wideband THz Channel Estimation", 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Rhode Islands, Greece, June 2023. [Preprint] [Full Paper]
[C25] A. M. Elbir, K. V. Mishra, A. Celik, A. M. Eltawil, "Millimeter-Wave Radar Beamforming with Spatial Path Index Modulation Communications", 2023 IEEE Radar Conference (RadarConf), San Antonio, Texas, USA, 2023 [Preprint] [Full Paper]
[T6] A. M. Elbir and K. V. Mishra, "Tutorial: Deep Learning Techniques for mmWave and THz-Band Radar and Communications", The South African Radar Interest Group (SARIG), South Africa, 2023.
[T5] A. M. Elbir, "Tutorial: Learning-Based Centralized and Distributed Techniques for mmWave and THz-Band Communications", 2023 IEEE International Black Sea Conference on Communications and Networking, Istanbul, 2023.
[T4] A. M. Elbir and K. V. Mishra, "Tutorial: Hybrid beamforming for mm-Wave and THz Joint Radar-Communications", IEEE AP-S/URSI Conference, June 2023.

2022 [5J, 2C, 1T, 1BC]

[J31] A. M. Elbir and K. V. Mishra, "Cognitive Learning-Aided Multi-Antenna Communications", IEEE Wireless Communications, vol. 29, no. 6, pp. 136-143, Dec 2022. [Preprint] [Full Paper]
[J30] A. M. Elbir, G. Gurbilek, B. Soner, A. K. Papazafeiropoulos, P. Kourtessis and S. Coleri, "Vehicular Networks for Combating A Worldwide Pandemic: Preventing the Spread of COVID-19", Smart Health, vol. 26, 1 Dec. 2022, p. 100353. [Preprint] [Full Paper]
[J29] A. M. Elbir, S. Coleri, A. K. Papazafeiropoulos, P. Kourtessis and S. Chatzinotas , "A Hybrid Architecture for Federated and Centralized Learning ", IEEE Transactions on Cognitive Communications and Networking, vol. 8, no. 3, pp. 1529-1542, Sept. 2022. [Preprint] [Full Paper]
[J28] A. M. Elbir and S. Coleri, "Federated Learning for Channel Estimation in Conventional and RIS-Assisted Massive MIMO", IEEE Transactions on Wireless Communications, vol. 21, no. 6, pp. 4255-4268, June 2022. [Preprint] [Full Paper] [Simulation Codes]
[J27] A. M. Elbir, K. V. Mishra, M. R. B. Shankar and B. Ottersten, "A Family of Deep Learning Architectures for Channel Estimation and Hybrid Beamforming in Multi-Carrier mm-Wave Massive MIMO", IEEE Transactions on Cognitive Communications and Networking, vol. 8, no. 2, pp. 642-656, June 2022. [Preprint] [Full Paper]
[BC1] K. V. Mishra, A. M. Elbir, A. I. Zaghloul, "Machine Learning for Metasurfaces Design and Their Applications", in Advances in Electromagnetics Empowered by Machine Learning, D. H. Werner and S. D. Campbell (Eds.), Wiley-IEEE Press, 2022. [Preprint] [Full Text]
[C24] A. M. Elbir, B. Soner, S. Coleri, D. Gunduz, M. Bennis, "Federated Learning in Vehicular Networks'', 2022 IEEE International Mediterranean Conference on Communications and Networking (MeditCom), 2022. [Preprint] [Full Paper]
[C23] A. M. Elbir, S. Coleri and K.V. Mishra, "Federated Channel Learning for Intelligent Reflecting Surfaces With Fewer Pilot Signals", 2022 IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM), 2022. [Preprint]
[T3] A. M. Elbir and K.V. Mishra, " Tutorial: Deep Learning Techniques for Hybrid Beamforming in mmWave and THz-Band Communications and Radar", IEEE International Conference on Communications 16–20 May 2022, Seoul, South Korea

2021 [5J, 3C, 2T]

[J26] A. M. Elbir, K. V. Mishra and S. Chatzinotas, "Terahertz-Band Joint Ultra-Massive MIMO Radar-Communications: Model-Based and Model-Free Hybrid Beamforming", IEEE Journal of Selected Topics in Signal Processing, vol. 15, no. 6, pp. 1468-1483, Nov. 2021, doi: 10.1109/JSTSP.2021.3117410. [Preprint] [Full Paper]
[J25] A. M. Elbir, A. K. Papazafeiropoulos, and S. Chatzinotas, "Federated Learning for Physical Layer Design", IEEE Communications Magazine, vol. 59, no. 11, pp. 81-87, November 2021, doi: 10.1109/MCOM.101.2100138. [Preprint] [Full Paper]
[J24] Weihao Hou, Jinlong Sun, Guan Gui, Tomoaki Ohtsuki, Ahmet M. Elbir, Haris Gacanin, and Hikmet Sari, "Federated Learning for DL-CSI Prediction in FDD Massive MIMO Systems", IEEE Wireless Communications Letters, vol. 10, no. 8, pp. 1810-1814, Aug. 2021, doi: 10.1109/LWC.2021.3081695. [Full Paper]
[J23] A. Papazafeiropoulos, C. Pan, A. M. Elbir, P. Kourtessis, S. Chatzinotas, J. M. Senior, "Coverage Probability of Distributed IRS Systems Under Spatially Correlated Channels", IEEE Wireless Communications Letters, vol. 10, no. 8, pp. 1722-1726, Aug. 2021, doi: 10.1109/LWC.2021.3077991. [Preprint] [Full Paper]
[J22] A. M. Elbir and K. V. Mishra, "Sparse Array Selection Across Arbitrary Sensor Geometries with Deep Transfer Learning", IEEE Transactions on Cognitive Communications and Networking, vol. 7, no. 1, pp. 255-264, March 2021, doi: 10.1109/TCCN.2020.2999811. [Preprint] [Full Paper]
[C22] A. M. Elbir, K. V. Mishra and S. Chatzinotas, "Hybrid Beamforming for Terahertz Joint Ultra-Massive MIMO Radar-Communications", 2021 17th International Symposium on Wireless Communication Systems (ISWCS), 2021 - Special Session - Joint Communications and Sensing Systems.
[C21] A. M. Elbir, S. Coleri and K. V. Mishra, "Hybrid Federated and Centralized Learning", 2021 European Signal Processing Conference (EUSIPCO), 2021. [Preprint]
[C20] A. M. Elbir, S. Coleri and K. V. Mishra, "Federated Dropout Learning for Hybrid Beamforming With Spatial Path Index Modulation In Multi-User mmWave-MIMO Systems", 2021 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Toronto, Canada, June 2021. [Invited Paper] [Preprint] [Full Paper]
[T2] A. M. Elbir and K. V. Mishra, "Tutorial: Massive and Ultramassive MIMO Hybrid Beamforming for Radar and Communications: Optimization to Deep Learning" 2021 European Signal Processing Conference (EUSIPCO)
[T1] A. M. Elbir, K. V. Mishra, "Tutorial: Learning-Based Massive MIMO Hybrid Beamforming for Radar and Communications: Tutorial", The 13th International Conference on COMmunication Systems and NETworkS (COMSNETS), Jan 2021.

2020 [8J, 2C]

[J21] T. Mir, M. Waqas, U. Mir, S. Mudassir, A. M. Elbir and S. Tu, "Hybrid Precoding Design for Two-Way Relay-Assisted Terahertz Massive MIMO Systems," IEEE Access, vol. 8, pp. 222660-222671, 2020, doi: 10.1109/ACCESS.2020.3044907. [Full Paper]
[J20] A. M. Elbir and S. Coleri, "Federated Learning for Hybrid Beamforming in mm-Wave Massive MIMO", IEEE Communications Letters, vol. 24, no. 12, pp. 2795-2799, Dec. 2020, doi: 10.1109/LCOMM.2020.3019312. [Preprint] [FullPaper]
[J19] A. M. Elbir, "A Deep Learning Framework For Hybrid Beamforming Without Instantaneous CSI Feedback", IEEE Transactions on Vehicular Technology, vol. 69, no. 10, pp. 11743-11755, Oct. 2020, doi: 10.1109/TVT.2020.3017652. [Preprint][Full Paper]
[J18] A. M. Elbir, A Papazafeiropoulos, P. Kourtessis, and S. Chatzinotas, "Deep Channel Learning For Large Intelligent Surfaces Aided mm-Wave Massive MIMO Systems", IEEE Wireless Communications Letters, vol. 9, no. 9, pp. 1447-1451, Sept. 2020. [Preprint] [Full Paper] [Simulation Codes]
[J17] A. M. Elbir, "DeepMUSIC: Multiple Signal Classification via Deep Learning," IEEE Sensors Letters, vol. 4, no. 4, pp. 1-4, April 2020. (Among top downloaded papers of IEEE SensL in 2020-2023) [Preprint] [Full Paper] [Simulation Codes]
[J16] A. M. Elbir and Kumar Vijay Mishra, "Joint Antenna Selection and Hybrid Beamformer Design using Unquantized and Quantized Deep Learning Networks", IEEE Transactions on Wireless Communications, vol. 19, no. 3, pp. 1677-1688, March 2020. [Preprint] [Full Paper]
[J15] A. M. Elbir, "L-Shaped Coprime Array Structures For DOA Estimation", Multidimensional Systems and Signal Processing, 31(1), 205-219, 2020. [Full Paper]
[J14] A. M. Elbir and A. Papazafeiropoulos, "Hybrid Precoding for Multi-User Millimeter Wave Massive MIMO Systems: A Deep Learning Approach," IEEE Transactions on Vehicular Technology, vol. 69, no. 1, pp. 552-563, Jan. 2020. [Preprint] [Full Paper]
[C19] A. M. Elbir and K. V. Mishra, "Low-Complexity Limited-Feedback Deep Hybrid Beamforming for Broadband Massive MIMO Communications", 2020 IEEE 21st International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Atlanta, GA, USA, 2020. [Preprint]
[C18] A. M. Elbir and A Papazafeiropoulos, "Deep Hybrid Precoding for Multi-User mm-Wave Massive MIMO Systems", 2020 27th International Conference on Telecommunications (ICT), June, 2020.

2019 [6J, 4C, 1D]

[J13] A. M. Elbir, "Two-Dimensional DOA Estimation via Shifted Sparse Arrays with Higher Degrees of Freedom ", Circuits, Systems and Signal Processing, 38(12), 5549-5575, 2019. [Full Paper]
[J12] A. M. Elbir, "Joint-Block-Sparsity For Efficient 2-D DOA Estimation With Multiple Separable Observations", Multidimensional Systems and Signal Processing, 30(4), 1659-1669, 2019. [Full Paper]
[J11] A. M. Elbir, "CNN-Based Precoder and Combiner Design in mmWave MIMO Systems," IEEE Communications Letters, vol. 23, no. 7, pp. 1240-1243, July 2019. [Full Paper] [Simulation Codes]
[J10] A. M. Elbir, "Sensor Array Calibration With Joint-Block-Sparsity In The Presence of Multiple Separable Observations", Signal, Image and Video Processing, Volume 13, Issue 5, pp 905–913, July 2019. [Full Paper]
[J9] A. M. Elbir, K. V. Mishra and Y. C. Eldar, "Cognitive radar antenna selection via deep learning," IET Radar, Sonar & Navigation, vol. 13, no. 6, pp. 871-880, 6 2019. (IET Premium Award). [Preprint] [Full Paper]
[J8] A. M. Elbir, "V-Shaped Sparse Arrays For 2-D DOA Estimation", Circuits, Systems and Signal Processing, 38, 2792–2809, 2019. [Full Paper], [Simulation Codes]
[D1] Satish Mulleti, Regev Cohen, Ahmet M. Elbir, Rong Fu, Moshe Namer, Maxim Meltsin, Harel Moalem, Eli Laks, Eli Shoshan, Tinayao Huang, Yimin Liu, Yonina C. Eldar, "Demo: Deep Sparse Antenna Array Selection And DOA Estimation", International Conference on Acoustics, Speech, and Signal Processing (ICASSP), May 2019. [Poster]
[C17] A. M. Elbir and Kumar Vijay Mishra, "Robust Hybrid Beamforming With Quantized Deep Neural Networks," IEEE International Workshop on Machine Learning for Signal Processing (MLSP), Pittsburgh, PA, USA, 2019.
[C16] A. M. Elbir, Satish Mulleti, Regev Cohen, Rong Fu and Yonina C. Eldar, "Deep-Sparse Array Cognitive Radar", SampTA (Sampling Theory and Applications) Conference, Jun 2019.
[C15] A. M. Elbir and K. V. Mishra, "Deep Learning Design for Joint Antenna Selection and Hybrid Beamforming in Massive MIMO," 2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, Atlanta, GA, USA, 2019, pp. 1585-1586.
[C14] A. M. Elbir, K. V. Mishra and Y. C. Eldar, "CNN-Based Cognitive Radar Array Selection," 2019 IEEE Radar Conference (RadarConf), Boston, MA, USA, 2019, pp. 1-5. [Slides]

2018 [1J]

[J7] A. M. Elbir, "Coprime Arrays With Enhanced Degrees of Freedom", Anadolu University Journal of Science and Technology, 19 / 2 (June 2018): 235-241. DOI: 10.18038/aubtda.330973 [Full Paper]

2017 [3J]

[J6] A. M. Elbir, “Calibration of Directional Mutual Coupling For Antenna Arrays”, Digital Signal Processing, Volume 69, Pages 117-126, July 2017. [Full Paper]
[J5] A. M. Elbir, "A Novel Data Transformation Approach for DOA Estimation With 3-D Antenna Arrays in the Presence of Mutual Coupling," IEEE Antennas and Wireless Propagation Letters, vol. 16, no. , pp. 2118-2121, 2017. doi: 10.1109/LAWP.2017.2699292. [Full Paper], [Simulation Codes]
[J4] A. M. Elbir, “Direction Finding in the Presence of Direction-Dependent Mutual Coupling," IEEE Antennas and Wireless Propagation Letters, vol. 16, no. , pp. 1541-1544, 2017. doi: 10.1109/LAWP.2017.2647983, [Full Paper] [Simulation Codes]

2016 [1J, 5C]

[J3] A. M. Elbir, T. E. Tuncer, “2-D DOA and Mutual Coupling Coefficient Estimation for Arbitrary Array Structures With Single and Multiple Snapshots”, Digital Signal Processing, Volume 54, Pages 75-86, July 2016. [Full Paper]
[C13] A. M. Elbir and T. E. Tuncer, "Single snapshot DOA estimation in the presence of mutual coupling for arbitrary array structures," 2016 IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM), pp. 1-5, Rio de Janeiro, 2016. [Full Paper]
[C12] A. M. Elbir and T. E. Tuncer, "Direction finding for arbitrary array structures", Aselsan Information and Communications Workshop, November, 2016. [Full Paper]
[C11] A. M. Elbir and T. E. Tuncer, "Direction finding for arbitrary array structures in the presence of mutual coupling", Graduate Research Workshop, Dept. of Electrical and Electronics Engineering, METU, April, 2016. [The Best Presentation Award] [Full Paper]
[C10] A. M. Elbir and T. E. Tuncer, "Compressed sensing for single snapshot direction finding in the presence of mutual coupling," 2016 24th Signal Processing and Communication Application Conference (SIU), pp. 1109-1112, Zonguldak, 2016. [Full Paper]
[C9] A. M. Elbir and T. E. Tuncer, "Direction-of-arrival and mutual coupling coefficient estimation with a single observation for arbitrary array structures," 2016 24th Signal Processing and Communication Application Conference (SIU), pp. 1105-1108, Zonguldak, 2016. [Full Paper]

2015 [4C]

[C8] A. M. Elbir and T. E. Tuncer, "Direction Finding and Localization for Far-Field Sources with Near-Field Multipath Reflections", Signal Processing and Signal Processing Education Workshop (SP/SPE), 2015 IEEE, pp. 130-135,Salt Lake City, UT, 2015. [Full Paper]
[C7] A. M. Elbir and T. E. Tuncer, "Source Localization with Sparse Recovery for Coherent Far- and Near-Field Signals", Signal Processing and Signal Processing Education Workshop (SP/SPE), 2015 IEEE, pp. 124-129, Salt Lake City, UT, 2015. [Full Paper]
[C6] A. M. Elbir and T. E. Tuncer, "Sparse Support Recovery For DOA Estimation In The Presence Of Mutual Coupling," Signal Processing Conference (EUSIPCO), 2015 23rd European, pp. 1366-1370, Nice, 2015. [Full Paper]
[C5] A. M. Elbir and T. E. Tuncer, "Sparse signal recovery for localization of coherent far- and near-field signals", Signal Processing and Communications Applications Conference (SIU), 2015 23th, pp.899-902, Malatya, Turkey, 16-19 May 2015. [Full Paper]

2014 [1J, 2C]

[J2] A. M. Elbir, T. E. Tuncer, “Far-Field DOA Estimation and Near-Field Localization For Multipath Signals”, Radio Sci., 49, 765–776, 2014. [Full Paper]
[C4] A. M. Elbir and T. E. Tuncer, "Direction finding for far- and near-field sources", National Conference of Defense Technologies, Ankara, Turkey, 25-27 June 2014. [Full Paper]
[C3] A. M. Elbir and T. E. Tuncer, "Angle and position estimation for far-field and near-field multipath signals", Signal Processing and Communications Applications Conference (SIU), 2014 22nd, pp.1379-1382, Trabzon, Turkey, 23-25 April 2014. [Full Paper]

2013 [1J, 2C]

[J1] A. M. Elbir, T. E. Tuncer, “Calibration of Antenna Arrays For Aeronautical Vehicles on Ground”, Aerospace Science and Technology, pp. 18-25, Vol 30, 2013. [Full Paper]
[C2] A. M. Elbir and T. E. Tuncer, "Ground calibration of antenna arrays for complex platforms", Phased Array Systems & Technology, 2013 IEEE International Symposium on, pp. 714-718, Waltham, MA, 2013. [Full Paper]
[C1] A. M. Elbir and T. E. Tuncer, "Ground calibration of antenna arrays for aeronautical vehicles", Signal Processing and Communications Applications Conference (SIU), 2013 21st, Cyprus, 24-26 April 2013. [Full Paper]

Ph.D Thesis

A. M. Elbir, "Direction Finding In The Presence of Array Imperfections, Model Mismatches and Multipath", Ph.D Dissertation, Middle East Technical University (METU), June 2016. [METU Best Thesis Award]