64 citations · 73 across the 9 of their papers we have counts for
11 papers
Performance Analysis for ISAC Systems with 1-bit DACs
Murat Babek Salman, Özlem Tugfe Demir, Emil Björnson
Low-resolution quantization constrains the maximum achievable gains of multiple-input multiple-output (MIMO) systems. While the adverse effects and mitigation strategies have been…
Pilot-Free Predictive Multi-User Beamforming via Sensing Management in Cell-Free Networks
Eren Berk Kama, Murat Babek Salman, Isaac Skog +1
This paper presents a sensing management frame- work for integrated sensing and communications (ISAC) within cell-free massive multiple-input multiple-output (MIMO) systems to redu…
Hardware Distortion Aware Precoding for ISAC Systems
Murat Babek Salman, Emil Björnson, Özlem Tugfe Demir
The impact of hardware impairments on the spectral efficiency of communication systems is well studied, but their effect on sensing performance remains unexplored. In this paper, w…
Experimental Validation of Reflective Near-Field Beamfocusing using a b-bit RIS
Emil Björnson, Murat Babek Salman
This paper presents the first experimental validation of reflective near-field beamfocusing using a reconfigurable intelligent surface (RIS). While beamfocusing has been theoretica…
Sensing Management for Pilot-Free Predictive Beamforming in Cell-Free Massive MIMO Systems
Eren Berk Kama, Murat Babek Salman, Isaac Skog +1
This paper introduces a sensing management method for integrated sensing and communications (ISAC) in cell-free massive multiple-input multiple-output (MIMO) systems. Conventional…
DoA Estimation using MUSIC with Range/Doppler Multiplexing for MIMO-OFDM Radar
Murat Babek Salman, Emil Björnson
Sensing emerges as a critical challenge in 6G networks, which require simultaneous communication and target sensing capabilities. State-of-the-art super-resolution techniques for t…
Enabling 6G Performance in the Upper Mid-Band by Transitioning From Massive to Gigantic MIMO
Emil Björnson, Ferdi Kara, Nikolaos Kolomvakis +3
The initial 6G networks will likely operate in the upper mid-band (7-24 GHz), which has decent propagation conditions but underwhelming new spectrum availability. In this paper, we…
Analytical Nonlinear Distortion Characterization for Frequency-Selective Massive MIMO Channels
Murat Babek Salman, Emil Björnson, Gokhan Muzaffer Guvensen +1
Nonlinear distortion stemming from low-cost power amplifiers may severely affect wireless communication performance through out-of-band (OOB) radiation and in-band distortion. The…
Derivative Based Proportionate Approach for Sparse Impulse Response Identification
Murat Babek Salman, Tolga Ciloglu
Proportionate type algorithms were developed and excessively used in the echo cancellation problems due to sparse characteristics of the echo channels. In the past, most of the att…
An Efficient QAM Detector via Nonlinear Post-distortion based on FDE Bank under PA Impairments
Murat Babek Salman, Gokhan Muzaffer Guvensen
In this paper, we propose a novel receiver structure for single-carrier transmission with frequency domain equalization (FDE) that is exposed to power amplifier (PA) nonlinearities…
A Comprehensive Performance Analysis for mm-Wave Massive MIMO Hybrid Beamforming under PA Nonlinearities
Murat Babek Salman, Gokhan Muzaffer Guvensen
In this paper, we develop a framework to investigate the performances of different hybrid beamforming architectures for massive multiple input multiple output (MIMO) systems impair…