activity
20222025
most citedPower Allocation for Joint Communication and Sensing in Cell-Free Massive MIMO

5 citations · 5 across the 10 of their papers we have counts for

collaborators

10 papers

eess.SP2025

Detecting Multiple Targets with Distributed Sensing and Communication in Cell-Free Massive MIMO

Zinat Behdad, Ozlem Tugfe Demir, Ki Won Sung +1

This paper investigates multi-target detection in an integrated sensing and communication (ISAC) system within a cell-free massive MIMO (CF-mMIMO) framework. We adopt a user-centri…

cs.IT2025

Control Signaling for Reconfigurable Intelligent Surfaces: How Many Bits are Needed?

Anders Enqvist, Özlem Tuğfe Demir, Cicek Cavdar +1

Reconfigurable intelligent surfaces (RISs) can greatly improve the signal quality of future communication systems by reflecting transmitted signals toward the receiver. However, ev…

eess.SP2025

Near-Field SWIPT with gMIMO in the Upper Mid-Band: Opportunities, Challenges, and the Way Forward

Özlem Tugfe Demir, Mustafa Ozger, Ferdi Kara +2

This paper explores the integration of simultaneous wireless information and power transfer (SWIPT) with gigantic multiple-input multiple-output (gMIMO) technology operating in the…

eess.SP2025

Fair and Energy-Efficient Activation Control Mechanisms for Repeater-Assisted Massive MIMO

Ozan Alp Topal, Özlem Tuğfe Demir, Emil Björnson +1

Massive multiple-input multiple-output (mMIMO) has been the core of 5G due to its ability to improve spectral efficiency and spatial multiplexing significantly; however, cell-edge…

cs.IT2025

Detecting Unauthorized Drones with Cell-Free Integrated Sensing and Communication

Xinyue Li, Zinat Behdad, Ozan Alp Topal +2

Integrated sensing and communication (ISAC) boosts network efficiency by using existing resources for diverse sensing applications. In this work, we propose a cell-free massive MIM…

eess.SP2024

Communicate or Sense? AP Mode Selection in mmWave Cell-Free Massive MIMO-ISAC

Weixian Yan, Ozan Alp Topal, Zinat Behdad +2

Integrated sensing and communication (ISAC) is a promising technology for future mobile networks, enabling sensing applications to be performed by existing communication networks,…

eess.SP2024

Multi-Target Integrated Sensing and Communications in Massive MIMO Systems

Ozan Alp Topal, Özlem Tuğfe Demir, Emil Björnson +1

Integrated sensing and communications (ISAC) allows networks to perform sensing alongside data transmission. While most ISAC studies focus on single-target, multi-user scenarios, m…

cs.IT2024

Fundamentals of Energy-Efficient Wireless Links: Optimal Ratios and Scaling Behaviors

Anders Enqvist, Özlem Tuğfe Demir, Cicek Cavdar +1

In this paper, we examine the energy efficiency (EE) of a base station (BS) with multiple antennas. We use a state-of-the-art power consumption model, taking into account the passi…

cs.IT2023

Optimizing Reconfigurable Intelligent Surfaces for Small Data Packets: A Subarray Approach

Anders Enqvist, Özlem Tuğfe Demir, Cicek Cavdar +1

In this paper, we examine the energy consumption of a user equipment (UE) when it transmits a finite-sized data packet. The receiving base station (BS) controls a reconfigurable in…

cs.IT2022★ 5 cited

Power Allocation for Joint Communication and Sensing in Cell-Free Massive MIMO

Zinat Behdad, Özlem Tuğfe Demir, Ki Won Sung +2

This paper studies a joint communication and sensing (JCAS) system with downlink communication and multi-static sensing for single-target detection in a cloud radio access network…