158 citations · 438 across the 70 of their papers we have counts for
87 papers
TRACE: Learning to Self-Calibrate Wireless Digital Twins from ISAC Measurements
Saad Masrur, Saeed R. Khosravirad, Ismail Guvenc
Wireless digital twins (DTs) rely on 3D environment models to predict radio propagation and support wireless-network decisions, yet these models are often initialized from imperfec…
Adaptive 5G Resource Allocation for Multistatic ISAC-Based UAV Detection and Tracking
Cole Dickerson, Wahab Khawaja, Ismail Guvenc
Unmanned aerial vehicles (UAVs) enable numerous commercial and public-safety applications, yet they also create security risks near critical infrastructure, transportation hubs, an…
Altitude-Dependent RSRP and RSRQ Trade-offs in 5G NR UAV Networks
Md Sharif Hossen, Vijay K. Shah, Ismail Guvenc
Cellular-connected unmanned aerial vehicles (UAVs) in 5G NR networks experience propagation and interference conditions that vary significantly with altitude and differ substantial…
Analysis of Altitude-Dependent Electronic Conspicuity in Cellular-Connected UAVs
Md Sharif Hossen, Vijay K. Shah, Ismail Guvenc
Unmanned aerial vehicles (UAVs) are increasingly integrated into cellular networks to support emerging Internet of Things (IoT) applications. In such settings, reliable communicati…
UAV-Based 3D Spectrum Sensing: Insights on Altitude, Bandwidth, Trajectory, and Effective Antenna Patterns on REM Reconstruction
Mushfiqur Rahman, Sung Joon Maeng, Ismail Guvenc +4
Spectrum sensing and the generation of 3D Radio Environment Maps (REMs) are essential for enabling spectrum sharing within cognitive radio networks. While Uncrewed Aerial Vehicles…
Propagation Channel Modeling for LEO Satellite Missions Using Ray-Tracing Simulations
Wahab Khawaja, Ismail Guvenc, Rune Hylsberg Jacobsen
This work presents a high-resolution, ray-tracing-based channel modeling for Low Earth Orbit (LEO) satellite-to-ground links in a suburban environment at X-band. Using simulations…
Energy-Efficient Sleep Mode Optimization of 5G mmWave Networks Using Deep Contextual MAB
Saad Masrur, Ismail Guvenc, David Lopez-Perez
Millimeter-wave (mmWave) networks, integral to 5G communication, offer a vast spectrum that addresses the issue of spectrum scarcity and enhances peak rate and capacity. However, t…
Digital Twins and Testbeds for Supporting AI Research with Autonomous Vehicle Networks
Anıl Gürses, Gautham Reddy, Saad Masrur +7
Digital twins (DTs), which are virtual environments that simulate, predict, and optimize the performance of their physical counterparts, hold great promise in revolutionizing next-…
UAV Corridor Coverage Analysis with Base Station Antenna Uptilt and Strongest Signal Association
Sung Joon Maeng, İsmail Güvenç
Unmanned aerial vehicle (UAV) corridors are sky lanes where UAVs fly through safely between their origin and destination. To ensure the successful operation of UAV corridors, beyon…
An Unsupervised Machine Learning Scheme for Index-Based CSI Feedback in Wi-Fi
Mrugen Deshmukh, Zinan Lin, Hanqing Lou +3
With the ever-increasing demand for high-speed wireless data transmission, beamforming techniques have been proven to be crucial in improving the data rate and the signal-to-noise…
Heterogeneous Drone Small Cells: Optimal 3D Placement for Downlink Power Efficiency and Rate Satisfaction
Nima Namvar, Fatemeh Afghah, Ismail Guvenc
In this paper, we consider a heterogeneous repository of drone-enabled aerial base stations with varying transmit powers that provide downlink wireless coverage for ground users. O…
Kriging-Based 3-D Spectrum Awareness for Radio Dynamic Zones Using Aerial Spectrum Sensors
Sung Joon Maeng, Ozgur Ozdemir, Ismail Guvenc +1
Radio dynamic zones (RDZs) are geographical areas within which dedicated spectrum resources are monitored and controlled to enable the development and testing of new spectrum techn…
Impact of 3D Antenna Radiation Pattern in UAV Air-to-Ground Path Loss Modeling and RSRP-based Localization in Rural Area
Sung Joon Maeng, Hyeokjun Kwon, Ozgur Ozdemir +1
Ensuring reliable and seamless wireless connectivity for unmanned aerial vehicles (UAVs) has emerged as a critical requirement for a wide range of applications. The increasing depl…
Propagation Measurements and Coverage Analysis for mmWave and Sub-THz Frequency Bands with Transparent Reflectors
Ashwini Pondeycherry Ganesh, Wahab Khawaja, Ozgur Ozdemir +3
The emerging 5G and future 6G technologies are envisioned to provide higher bandwidths and coverage using millimeter wave (mmWave) and sub-Terahertz (THz) frequency bands. The grow…
Joint Path planning and Power Allocation of a Cellular-Connected UAV using Apprenticeship Learning via Deep Inverse Reinforcement Learning
Alireza Shamsoshoara, Fatemeh Lotfi, Sajad Mousavi +2
This paper investigates an interference-aware joint path planning and power allocation mechanism for a cellular-connected unmanned aerial vehicle (UAV) in a sparse suburban environ…
SDR-Based 5G NR C-Band I/Q Monitoring and Surveillance in Urban Area Using a Helikite
Sung Joon Maeng, Ozgur Ozdemir, İsmail Güvenç +4
In this paper, we report experimental results in collectting and processing 5G NR I/Q samples in the 3.7~GHz C-band by using software-defined radio (SDR)-mounted helikite. We use M…
A Millimeter-Wave Software-Defined Radio for Wireless Experimentation
Alphan Şahin, Mihail L. Sichitiu, İsmail Guvenç
In this study, we propose a low-cost and portable millimeter-wave software-defined radio (SDR) for wireless experimentation in the 60 GHz band. The proposed SDR uses Xilinx RFSoC2x…
Open RAN Testbeds with Controlled Air Mobility
Magreth Mushi, Yuchen Liu, Shreyas Sreenivasa +5
With its promise of increasing softwarization, improving disaggregability, and creating an open-source based ecosystem in the area of Radio Access Networks, the idea of Open RAN ha…
AERIQ: SDR-Based LTE I/Q Measurement and Analysis Framework for Air-to-Ground Propagation Modeling
Sung Joon Maeng, Ozgur Ozdemir, İsmail Güvenç +3
In this paper, we introduce AERIQ: a software-defined radio (SDR) based I/Q measurement and analysis framework for wireless signals for aerial experimentation. AERIQ is integrated…
National Radio Dynamic Zone Concept with Autonomous Aerial and Ground Spectrum Sensors
Sung Joon Maeng, Ismail Güvenç, Mihail Sichitiu +5
National radio dynamic zone (NRDZs) are intended to be geographically bounded areas within which controlled experiments can be carried out while protecting the nearby licensed user…
Intelligent Feedback Overhead Reduction (iFOR) in Wi-Fi 7 and Beyond
Mrugen Deshmukh, Zinan Lin, Hanqing Lou +3
The IEEE 802.11 standard based wireless local area networks (WLANs) or Wi-Fi networks are critical to provide internet access in today's world. The increasing demand for high data…
Out-of-Zone Signal Leakage Sensing in Radio Dynamic Zones
Sung Joon Maeng, İsmail Güvenç, Mihail L. Sichitiu +1
Radio dynamic zones (RDZs) are geographically bounded areas where novel advanced wireless technologies can be developed, tested, and improved, without the concern of interfering to…
Experimental Study of Outdoor UAV Localization and Tracking using Passive RF Sensing
Udita Bhattacherjee, Ender Ozturk, Ozgur Ozdemir +3
Extensive use of unmanned aerial vehicles (UAVs) is expected to raise privacy and security concerns among individuals and communities. In this context, the detection and localizati…
60 GHz Outdoor Propagation Measurements and Analysis Using Facebook Terragraph Radios
Kairui Du, Omkar Mujumdar, Ozgur Ozdemir +5
The high attenuation of millimeter-wave (mmWave) would significantly reduce the coverage areas, and hence it is critical to study the propagation characteristics of mmWave in multi…