Ahmet M. Elbir - researchr alias

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Viewing Publication 1 - 52 from 52

2024

NEAT-MUSIC: Auto-Calibration of DOA Estimation for Terahertz-Band Massive MIMO SystemsAhmet M. Elbir, Abdulkadir Celik, Ahmed M. Eltawil. wcl, 13(2):451-455, February 2024. [doi]

2023

A Unified Approach for Beam-Split Mitigation in Terahertz Wideband Hybrid BeamformingAhmet M. Elbir. tvt, 72(9):12355-12360, September 2023. [doi]

BSA-OMP: Beam-Split-Aware Orthogonal Matching Pursuit for THz Channel EstimationAhmet M. Elbir, Symeon Chatzinotas. wcl, 12(4):738-742, April 2023. [doi]

Terahertz-Band Channel and Beam Split Estimation via Array Perturbation ModelAhmet M. Elbir, Wei Shi 0001, Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas. ojcs, 4:892-907, 2023. [doi]

Near-Field Terahertz Communications: Model-Based and Model-Free Channel EstimationAhmet M. Elbir, Wei Shi 0001, Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas. access, 11:36409-36420, 2023. [doi]

Near-field Hybrid Beamforming for Terahertz-band Integrated Sensing and CommunicationsAhmet M. Elbir, Abdulkadir Celik, Ahmed M. Eltawil. globecom 2023: 1117-1122 [doi]

Federated Multi-Task Learning For THZ Wideband Channel And DOA EstimationAhmet M. Elbir, Wei Shi 0001, Kumar Vijay Mishra, Symeon Chatzinotas. icassp 2023: 1-5 [doi]

Implicit Channel Learning For Machine Learning Applications In 6G Wireless NetworksAhmet M. Elbir, Wei Shi 0001, Kumar Vijay Mishra, Anastasios K. Papazafeiropoulos, Symeon Chatzinotas. icassp 2023: 1-5 [doi]

NBA-OMP: Near-Field Beam-Split-Aware Orthogonal Matching Pursuit for Wideband THz Channel EstimationAhmet M. Elbir, Kumar Vijay Mishra, Symeon Chatzinotas. icassp 2023: 1-5 [doi]

The Rise of Intelligent Reflecting Surfaces in Integrated Sensing and Communications ParadigmsAhmet M. Elbir, Kumar Vijay Mishra, M. R. Bhavani Shankar, Symeon Chatzinotas. network, 37(6):224-231, November 2023. [doi]

Twenty-Five Years of Advances in Beamforming: From convex and nonconvex optimization to learning techniquesAhmet M. Elbir, Kumar Vijay Mishra, Sergiy A. Vorobyov, Robert W. Heath Jr.. spm, 40(4):118-131, June 2023. [doi]

Cooperative RIS and STAR-RIS Assisted mMIMO Communication: Analysis and OptimizationAnastasios K. Papazafeiropoulos, Ahmet M. Elbir, Pandelis Kourtessis, Ioannis Krikidis, Symeon Chatzinotas. tvt, 72(9):11975-11989, September 2023. [doi]

Asymptotic Analysis of Max-Min Weighted SINR for IRS-Assisted MISO Systems With Hardware ImpairmentsAnastasios K. Papazafeiropoulos, Cunhua Pan, Ahmet M. Elbir, Van-Dinh Nguyen, Pandelis Kourtessis, Symeon Chatzinotas. wcl, 12(2):192-196, 2023. [doi]

2022

Federated Learning for Channel Estimation in Conventional and RIS-Assisted Massive MIMOAhmet M. Elbir, Sinem Coleri. TWC, 21(6):4255-4268, 2022. [doi]

A Hybrid Architecture for Federated and Centralized LearningAhmet M. Elbir, Sinem Coleri, Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas. tccn, 8(3):1529-1542, 2022. [doi]

Federated Learning in Vehicular NetworksAhmet M. Elbir, Burak Soner, Sinem Coleri, Deniz Gündüz, Mehdi Bennis. meditcom 2022: 72-77 [doi]

Federated Channel Learning for Intelligent Reflecting Surfaces with Fewer Pilot SignalsAhmet M. Elbir, Sinem Coleri, Kumar Vijay Mishra. ieeesam 2022: 226-230 [doi]

A Family of Deep Learning Architectures for Channel Estimation and Hybrid Beamforming in Multi-Carrier mm-Wave Massive MIMOAhmet M. Elbir, Kumar Vijay Mishra, M. R. Bhavani Shankar, Björn E. Ottersten. tccn, 8(2):642-656, 2022. [doi]

Cognitive Learning-Aided Multi-Antenna CommunicationsAhmet M. Elbir, Kumar Vijay Mishra. wc, 29(6):136-143, 2022. [doi]

2021

Federated Learning for Physical Layer DesignAhmet M. Elbir, Anastasios K. Papazafeiropoulos, Symeon Chatzinotas. cm, 59(11):81-87, 2021. [doi]

Hybrid Beamforming for Terahertz Joint Ultra-Massive MIMO Radar-CommunicationsAhmet M. Elbir, Kumar Vjiay Mishra, Symeon Chatzinotas. iswcs 2021: 1-6 [doi]

Hybrid Federated and Centralized LearningAhmet M. Elbir, Sinem Coleri, Kumar Vijay Mishra. eusipco 2021: 1541-1545 [doi]

Federated Dropout Learning for Hybrid Beamforming with Spatial Path Index Modulation in Multi-User Mmwave-Mimo SystemsAhmet M. Elbir, Sinem Coleri, Kumar Vijay Mishra. icassp 2021: 8213-8217 [doi]

Sparse Array Selection Across Arbitrary Sensor Geometries With Deep Transfer LearningAhmet M. Elbir, Kumar Vijay Mishra. tccn, 7(1):255-264, 2021. [doi]

Terahertz-Band Joint Ultra-Massive MIMO Radar-Communications: Model-Based and Model-Free Hybrid BeamformingAhmet M. Elbir, Kumar Vijay Mishra, Symeon Chatzinotas. jstsp, 15(6):1468-1483, 2021. [doi]

Federated Learning for DL-CSI Prediction in FDD Massive MIMO SystemsWeihao Hou, Jinlong Sun, Guan Gui, Tomoaki Ohtsuki, Ahmet M. Elbir, Haris Gacanin, Hikmet Sari. wcl, 10(8):1810-1814, 2021. [doi]

Coverage Probability of Distributed IRS Systems Under Spatially Correlated ChannelsAnastasios K. Papazafeiropoulos, Cunhua Pan, Ahmet M. Elbir, Pandelis Kourtessis, Symeon Chatzinotas, John M. Senior. wcl, 10(8):1722-1726, 2021. [doi]

2020

Hybrid Precoding for Multiuser Millimeter Wave Massive MIMO Systems: A Deep Learning ApproachAhmet M. Elbir, Anastasios K. Papazafeiropoulos. tvt, 69(1):552-563, 2020. [doi]

Federated Learning for Hybrid Beamforming in mm-Wave Massive MIMOAhmet M. Elbir, Sinem Coleri. icl, 24(12):2795-2799, 2020. [doi]

Deep Channel Learning for Large Intelligent Surfaces Aided mm-Wave Massive MIMO SystemsAhmet M. Elbir, Anastasios K. Papazafeiropoulos, Pandelis Kourtessis, Symeon Chatzinotas. wcl, 9(9):1447-1451, 2020. [doi]

L-shaped coprime array structures for DOA estimationAhmet M. Elbir. mssp, 31(1):205-219, 2020. [doi]

A Deep Learning Framework for Hybrid Beamforming Without Instantaneous CSI FeedbackAhmet M. Elbir. tvt, 69(10):11743-11755, 2020. [doi]

Low-Complexity Limited-Feedback Deep Hybrid Beamforming for Broadband Massive MIMOAhmet M. Elbir, Kumar Vijay Mishra. spawc 2020: 1-5 [doi]

Joint Antenna Selection and Hybrid Beamformer Design Using Unquantized and Quantized Deep Learning NetworksAhmet M. Elbir, Kumar Vijay Mishra. TWC, 19(3):1677-1688, 2020. [doi]

Hybrid Precoding Design for Two-Way Relay-Assisted Terahertz Massive MIMO SystemsTalha Mir, Muhammad Waqas 0001, Usama Mir, Syed Mudassir Hussain, Ahmet M. Elbir, Shanshan Tu. access, 8:222660-222671, 2020. [doi]

2019

2017

Calibration of directional mutual coupling for antenna arraysAhmet M. Elbir. dsp, 69:117-126, 2017. [doi]

2016

2015

2014

Angle and position estimation for far-field and near-field multipath signalsAhmet M. Elbir, T. Engin Tuncer. siu 2014: 1379-1382 [doi]

2013

Ground calibration of antenna arrays for aeronautical vehiclesAhmet M. Elbir, T. Engin Tuncer. siu 2013: 1-4 [doi]

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2024

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2015

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2013

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