Özlem Tugfe Demir

Publication Activity (10 Years)

Years Active: 2015-2024
Publications (10 Years): 72

Top Topics

Channel Estimation

Fading Channels

Top Venues

IEEE Trans. Wirel. Commun.

Publications

Zhenyu Li, Ozan Alp Topal, Özlem Tugfe Demir, Emil Björnson, Cicek Cavdar
Mixed Static and Reconfigurable Metasurface Deployment in Indoor Dense Spaces: How Much Reconfigurability is Needed? WCNC (2024)
Mert Alicioglu, Özlem Tugfe Demir, Emil Björnson
Pilot Length Optimization with RS-LS Channel Estimation for Extremely Large Aperture Arrays. CoRR (2024)
Özlem Tugfe Demir, Lianet Méndez-Monsanto, Nicola Bastianello, Emma Fitzgerald, Gilles Callebaut
Energy Reduction in Cell-Free Massive MIMO through Fine-Grained Resource Management. CoRR (2024)
Anders Enqvist, Özlem Tugfe Demir, Cicek Cavdar, Emil Björnson
Optimizing Reconfigurable Intelligent Surfaces for Short Transmissions: How Detailed Configurations Can Be Afforded? IEEE Trans. Wirel. Commun. 23 (4) (2024)
Steven Rivetti, Özlem Tugfe Demir, Emil Björnson, Mikael Skoglund
Malicious Reconfigurable Intelligent Surfaces: How Impactful Can Destructive Beamforming be? IEEE Wirel. Commun. Lett. 13 (7) (2024)
Zinat Behdad, Özlem Tugfe Demir, Ki Won Sung, Cicek Cavdar
Interplay Between Sensing and Communication in Cell-Free Massive MIMO with URLLC Users. WCNC (2024)
Zinat Behdad, Özlem Tugfe Demir, Ki Won Sung, Cicek Cavdar
Joint Processing and Transmission Energy Optimization for ISAC in Cell-Free Massive MIMO with URLLC. CoRR (2024)
Emil Björnson, Chan-Byoung Chae, Robert W. Heath Jr., Thomas L. Marzetta, Amine Mezghani, Luca Sanguinetti, Fredrik Rusek, Miguel R. Castellanos, Dongsoo Jun, Özlem Tugfe Demir
Towards 6G MIMO: Massive Spatial Multiplexing, Dense Arrays, and Interplay Between Electromagnetics and Processing. CoRR (2024)
Zinat Behdad, Özlem Tugfe Demir, Ki Won Sung, Cicek Cavdar
Interplay between Sensing and Communication in Cell-Free Massive MIMO with URLLC Users. CoRR (2024)
Mert Alicioglu, Özlem Tugfe Demir, Emil Björnson
Pilot Length Optimization With RS-LS Channel Estimation for Extremely Large Aperture Arrays. WCNC (2024)
Özlem Tugfe Demir, Meysam Masoudi, Emil Björnson, Cicek Cavdar
Cell-Free Massive MIMO in O-RAN: Energy-Aware Joint Orchestration of Cloud, Fronthaul, and Radio Resources. IEEE J. Sel. Areas Commun. 42 (2) (2024)
Tianzhang Cai, Qichen Wang, Shuai Zhang, Özlem Tugfe Demir, Cicek Cavdar
Multi-agent Reinforcement Learning for Energy Saving in Multi-Cell Massive MIMO Systems. CoRR (2024)
Ferdi Kara, Özlem Tugfe Demir, Emil Björnson
Can We Benefit from Reconfigurable Intelligent Surfaces in Upper Mid-Band 6G Networks? A Critical Look for Promising Use Cases. CoRR (2024)
Zhenyu Li, Ozan Alp Topal, Özlem Tugfe Demir, Emil Björnson, Cicek Cavdar
Self-Sustainable Metasurface-Assisted mmWave Indoor Communication System. CoRR (2024)
Özlem Tugfe Demir, Emil Björnson
Wideband Channel Capacity Maximization With Beyond Diagonal RIS Reflection Matrices. CoRR (2024)
Zhenyu Li, Ozan Alp Topal, Özlem Tugfe Demir, Emil Björnson, Cicek Cavdar
Mixed Static and Reconfigurable Metasurface Deployment in Indoor Dense Spaces: How Much Reconfigurability is Needed? CoRR (2024)
Özlem Tugfe Demir, Lianet Méndez-Monsanto, Nicola Bastianello, Emma Fitzgerald, Gilles Callebaut
Energy Reduction in Cell-Free Massive MIMO through Fine-Grained Resource Management. EuCNC/6G Summit (2024)
Zhenyu Li, Ozan Alp Topal, Özlem Tugfe Demir, Emil Björnson, Cicek Cavdar
mmWave Coverage Extension Using Reconfigurable Intelligent Surfaces in Indoor Dense Spaces. CoRR (2023)
Anders Enqvist, Özlem Tugfe Demir, Cicek Cavdar, Emil Björnson
Optimizing Reconfigurable Intelligent Surfaces for Short Transmissions: How Detailed Configurations can be Afforded? CoRR (2023)
Mahmoud Zaher, Özlem Tugfe Demir, Emil Björnson, Marina Petrova
Learning-Based Downlink Power Allocation in Cell-Free Massive MIMO Systems. IEEE Trans. Wirel. Commun. 22 (1) (2023)
Yiming Huo, Xingqin Lin, Boya Di, Hongliang Zhang, Francisco Javier Lorca Hernando, Ahmet Serdar Tan, Shahid Mumtaz, Özlem Tugfe Demir, Kun Chen-Hu
Technology Trends for Massive MIMO towards 6G. Sensors 23 (13) (2023)
Özlem Tugfe Demir, Emil Björnson
A New Polar-Domain Dictionary Design for the Near-field Region of Extremely Large Aperture Arrays. CoRR (2023)
Özlem Tugfe Demir, Emil Björnson
A New Polar-Domain Dictionary Design for the Near-Field Region of Extremely Large Aperture Arrays. CAMSAP (2023)
Yiming Huo, Xingqin Lin, Boya Di, Hongliang Zhang, Francisco Javier Lorca Hernando, Ahmet Serdar Tan, Shahid Mumtaz, Özlem Tugfe Demir, Kun Chen Hu
Technology Trends for Massive MIMO towards 6G. CoRR (2023)
Zinat Behdad, Özlem Tugfe Demir, Ki Won Sung, Emil Björnson, Cicek Cavdar
Multi-Static Target Detection and Power Allocation for Integrated Sensing and Communication in Cell-Free Massive MIMO. CoRR (2023)
Shuaifei Chen, Jiayi Zhang, Emil Björnson, Özlem Tugfe Demir, Bo Ai
Energy-Efficient Cell-Free Massive MIMO Through Sparse Large-Scale Fading Processing. IEEE Trans. Wirel. Commun. 22 (12) (2023)
Zhenyu Li, Ozan Alp Topal, Özlem Tugfe Demir, Emil Björnson, Cicek Cavdar
mmWave Coverage Extension Using Reconfigurable Intelligent Surfaces in Indoor Dense Spaces. ICC (2023)
Anders Enqvist, Özlem Tugfe Demir, Cicek Cavdar, Emil Björnson
Optimizing Reconfigurable Intelligent Surfaces for Small Data Packets: A Subarray Approach. CoRR (2023)
Qinglong He, Özlem Tugfe Demir, Cicek Cavdar
Dynamic AP Selection and Cluster Formation with Minimal Switching for Green Cell-Free Massive MIMO Networks. EuCNC/6G Summit (2023)
Özlem Tugfe Demir, Meysam Masoudi, Emil Björnson, Cicek Cavdar
Cell-Free Massive MIMO in O-RAN: Energy-Aware Joint Orchestration of Cloud, Fronthaul, and Radio Resources. CoRR (2023)
Alva Kosasih, Özlem Tugfe Demir, Emil Björnson
Parametric Near-Field Channel Estimation for Extremely Large Aperture Arrays. ACSSC (2023)
Özlem Tugfe Demir, Meysam Masoudi, Emil Björnson, Cicek Cavdar
Cell-Free Massive MIMO in Virtualized CRAN: How to Minimize the Total Network Power? ICC (2022)
Anders Enqvist, Özlem Tugfe Demir, Cicek Cavdar, Emil Björnson
Optimizing Reconfigurable Intelligent Surfaces for Small Data Packets: A Subarray Approach. ICC (2022)
Zinat Behdad, Özlem Tugfe Demir, Ki Won Sung, Emil Björnson, Cicek Cavdar
Power Allocation for Joint Communication and Sensing in Cell-Free Massive MIMO. CoRR (2022)
Shuaifei Chen, Jiayi Zhang, Emil Björnson, Özlem Tugfe Demir, Bo Ai
Sparse Large-Scale Fading Decoding in Cell-Free Massive MIMO Systems. SPAWC (2022)
Shuaifei Chen, Jiayi Zhang, Emil Björnson, Özlem Tugfe Demir, Bo Ai
Sparse Large-Scale Fading Decoding in Cell-Free Massive MIMO Systems. CoRR (2022)
Özlem Tugfe Demir, Meysam Masoudi, Emil Björnson, Cicek Cavdar
Cell-Free Massive MIMO in Virtualized CRAN: How to Minimize the Total Network Power? CoRR (2022)
Özlem Tugfe Demir, Emil Björnson, Luca Sanguinetti
Channel Modeling and Channel Estimation for Holographic Massive MIMO With Planar Arrays. IEEE Wirel. Commun. Lett. 11 (5) (2022)
Özlem Tugfe Demir, Emil Björnson
Channel Estimation under Hardware Impairments: Bayesian Methods versus Deep Learning. CoRR (2022)
Özlem Tugfe Demir, Emil Björnson, Luca Sanguinetti
Exploiting Array Geometry for Reduced-Subspace Channel Estimation in RIS-Aided Communications. SAM (2022)
Özlem Tugfe Demir, Emil Björnson
Is Channel Estimation Necessary to Select Phase-Shifts for RIS-Assisted Massive MIMO? IEEE Trans. Wirel. Commun. 21 (11) (2022)
Meysam Masoudi, Özlem Tugfe Demir, Jens Zander, Cicek Cavdar
Energy-Optimal End-to-End Network Slicing in Cloud-Based Architecture. IEEE Open J. Commun. Soc. 3 (2022)
Özlem Tugfe Demir, Emil Björnson, Luca Sanguinetti
Exploiting Array Geometry for Reduced-Subspace Channel Estimation in RIS-Aided Communications. CoRR (2022)
Zinat Behdad, Özlem Tugfe Demir, Ki Won Sung, Emil Björnson, Cicek Cavdar
Power Allocation for Joint Communication and Sensing in Cell-Free Massive MIMO. GLOBECOM (2022)
Özlem Tugfe Demir, Emil Björnson, Luca Sanguinetti
Cell-Free Massive MIMO with Large-Scale Fading Decoding and Dynamic Cooperation Clustering. CoRR (2021)
Özlem Tugfe Demir, Emil Björnson
RIS-Assisted Massive MIMO with Multi-Specular Spatially Correlated Fading. GLOBECOM (2021)
Mahmoud Zaher, Özlem Tugfe Demir, Emil Björnson, Marina Petrova
Learning-Based Downlink Power Allocation in Cell-Free Massive MIMO Systems. CoRR (2021)
Özlem Tugfe Demir, Emil Björnson, Luca Sanguinetti
Foundations of User-Centric Cell-Free Massive MIMO. Found. Trends Signal Process. 14 (3-4) (2021)
Özlem Tugfe Demir, Emil Björnson, Luca Sanguinetti
Foundations of User-Centric Cell-Free Massive MIMO. CoRR (2021)
Mahmoud Zaher, Özlem Tugfe Demir, Emil Björnson, Marina Petrova
Distributed DNN Power Allocation in Cell-Free Massive MIMO. ACSCC (2021)
Özlem Tugfe Demir, Emil Björnson
RIS-Assisted Massive MIMO with Multi-Specular Spatially Correlated Fading. CoRR (2021)
Emil Björnson, Özlem Tugfe Demir, Luca Sanguinetti
A Primer on Near-Field Beamforming for Arrays and Reconfigurable Intelligent Surfaces. CoRR (2021)
Özlem Tugfe Demir, Emil Björnson
Is Channel Estimation Necessary to Select Phase-Shifts for RIS-Assisted Massive MIMO? CoRR (2021)
Özlem Tugfe Demir, Emil Björnson
Joint Power Control and LSFD for Wireless-Powered Cell-Free Massive MIMO. IEEE Trans. Wirel. Commun. 20 (3) (2021)
Sucharita Chakraborty, Özlem Tugfe Demir, Emil Björnson, Pontus Giselsson
Efficient Downlink Power Allocation Algorithms for Cell-Free Massive MIMO Systems. IEEE Open J. Commun. Soc. 2 (2021)
Özlem Tugfe Demir, Emil Björnson, Luca Sanguinetti
Channel Modeling and Channel Estimation for Holographic Massive MIMO with Planar Arrays. CoRR (2021)
Emil Björnson, Özlem Tugfe Demir, Luca Sanguinetti
A Primer on Near-Field Beamforming for Arrays and Reconfigurable Intelligent Surfaces. ACSCC (2021)
Özlem Tugfe Demir, Emil Björnson
ADMM-Based One-Bit Quantized Signal Detection for Massive MIMO Systems With Hardware Impairments. ICASSP (2020)
Özlem Tugfe Demir, Emil Björnson
Large-Scale Fading Precoding for Maximizing the Product of SINRs. ICASSP (2020)
Özlem Tugfe Demir, Emil Björnson
The Bussgang Decomposition of Non-Linear Systems: Basic Theory and MIMO Extensions. CoRR (2020)
Özlem Tugfe Demir, Emil Björnson
Joint Power Control and LSFD for Wireless-Powered Cell-Free Massive MIMO. CoRR (2020)
Özlem Tugfe Demir, Emil Björnson
Max-Min Fair Wireless-Powered Cell-Free Massive MIMO for Uncorrelated Rician Fading Channels. CoRR (2020)
Özlem Tugfe Demir, Emil Björnson
Large-Scale Fading Precoding for Maximizing the Product of SINRs. CoRR (2020)
Özlem Tugfe Demir, Emil Björnson
Channel Estimation in Massive MIMO Under Hardware Non-Linearities: Bayesian Methods Versus Deep Learning. IEEE Open J. Commun. Soc. 1 (2020)
Peter Händel, Özlem Tugfe Demir, Emil Björnson, Daniel Rönnow
Impact of Backward Crosstalk in 2 × 2 MIMO Transmitters on NMSE and Spectral Efficiency. IEEE Trans. Commun. 68 (7) (2020)
Özlem Tugfe Demir, Emil Björnson
ADMM-Based One-Bit Quantized Signal Detection for Massive MIMO Systems with Hardware Impairments. CoRR (2020)
Özlem Tugfe Demir, Emil Björnson
Large-Scale Fading Precoding for Spatially Correlated Rician Fading with Phase Shifts. CoRR (2020)
Özlem Tugfe Demir, Emil Björnson
Max-Min Fair Wireless-Powered Cell-Free Massive MIMO for Uncorrelated Rician Fading Channels. WCNC (2020)
Özlem Tugfe Demir, Emil Björnson
Channel Estimation in Massive MIMO under Hardware Non-Linearities: Bayesian Methods versus Deep Learning. CoRR (2019)
Özlem Tugfe Demir, Temel Engin Tuncer
Improved ADMM-based algorithms for multi-group multicasting in large-scale antenna systems with extension to hybrid beamforming. Digit. Signal Process. 93 (2019)
Özlem Tugfe Demir, Emil Björnson
Channel Estimation under Hardware Impairments: Bayesian Methods versus Deep Learning. ISWCS (2019)
Peter Händel, Özlem Tugfe Demir, Emil Björnson, Daniel Rönnow
Impact of Backward Crosstalk in 2x2 MIMO Transmitters on NMSE and Spectral Efficiency. CoRR (2019)
Özlem Tugfe Demir, T. Engin Tuncer
Optimum discrete phase-only multicast beamforming with joint antenna and user selection in cognitive radio networks. Digit. Signal Process. 46 (2015)
Özlem Tugfe Demir, T. Engin Tuncer
Optimum discrete transmit beamformer design. Digit. Signal Process. 36 (2015)