1k citations · 1.5k across the 42 of their papers we have counts for
47 papers
AI-Enabled Wireless Propagation Modeling and Radio Environment Maps for 5G Aerial Wireless Networks
Gautham Reddy, Kürşat Tekbıyık, Bryton Petersen +3
With the gaining prominence of aerial mobility applications, their success depends on the seamless integration of terrestrial and non-terrestrial network connectivity. However, pro…
Beyond RSRP Coverage: UAV Serviceability in Interference-Limited Urban 5G NR Networks
Md Sharif Hossen, Vijay K. Shah, Ismail Guvenc
Reference signal received power (RSRP) is commonly used to assess 5G cellular coverage, but it may substantially overestimate the connectivity available to cellular-connected unman…
Optimizing Energy-Harvesting Hybrid VLC/RF Networks with Random Receiver Orientation
Amir Hossein Fahim Raouf, Chethan Kumar Anjinappa, Ismail Guvenc
This paper investigates an indoor hybrid visible light communication (VLC) and radio frequency (RF) scenario with two-hop downlink transmission. A light emitting diode (LED) transm…
Spectrum Monitoring and Analysis in Urban and Rural Environments at Different Altitudes
Amir Hossein Fahim Raouf, Sung Joon Maeng, Ismail Guvenc +2
Due to the scarcity of spectrum resources, the emergence of new technologies and ever-increasing number of wireless devices operating in the radio frequency spectrum lead to data c…
A Survey on Detection, Tracking, and Classification of Aerial Threats using Radars and Communications Systems
Wahab Khawaja, Martins Ezuma, Vasilii Semkin +3
The use of unmanned aerial vehicles (UAVs) for different applications has increased many folds in recent years. The UAVs are expected to change the future air operations. However,…
Mobility State Detection of Cellular-Connected UAVs based on Handover Count Statistics
Md Moin Uddin Chowdhury, Priyanka Sinha, Kim Mahler +1
To ensure reliable and effective mobility management for aerial user equipment (UE), estimating the speed of cellular-connected unmanned aerial vehicles (UAVs) carries critical imp…
Optimal Design of Energy-Harvesting Hybrid VLC-RF Networks
Amir Hossein Fahim Raouf, Chethan Kumar Anjinappa, Ismail Guvenc
In this paper, we consider an indoor downlink dual-hop hybrid visible light communication (VLC)/radio frequency (RF) scenario. For each transmission block, we dynamically allocate…
Indoor Propagation Measurements with Sekisui Transparent Reflectors at 28/39/120/144 GHz
Chethan K. Anjinappa, Ashwini P. Ganesh, Ozgur Ozdemir +5
One of the critical challenges of operating with the terahertz or millimeter-wave wireless networks is the necessity of at least a strong non-line-of-sight (NLoS) reflected path to…
Wireless Connectivity and Localization for Advanced Air Mobility Services
Priyanka Sinha, Md Moin Uddin Chowdhury, Ismail Guvenc +2
By serving as an analog to traffic signal lights, communication signaling for drone to drone communications holds the key to the success of advanced air mobility (AAM) in both urba…
Comparative Analysis of Radar Cross Section Based UAV Classification Techniques
Martins Ezuma, Chethan Kumar Anjinappa, Vasilii Semkin +1
This work investigates the problem of unmanned aerial vehicles (UAVs) identification using their radar crosssection (RCS) signature. The RCS of six commercial UAVs are measured at…
Doors in the Sky: Detection, Localization and Classification of Aerial Vehicles using Laser Mesh
Wahab Khawaja, Ender Ozturk, Ismail Guvenc
The stealth technology and unmanned aerial vehicles (UAVs) are expected to dominate current and future aerial warfare. The radar systems at their maximum operating ranges, however,…
Channel Rank Improvement in Urban Drone Corridors Using Passive Intelligent Reflectors
Ender Ozturk, Chethan Kumar Anjinappa, Fatih Erden +3
Multiple-input multiple-output (MIMO) techniques can help in scaling the achievable air-to-ground (A2G) channel capacity while communicating with drones. However, spatial multiplex…
Ensuring Reliable Connectivity to Cellular-Connected UAVs with Up-tilted Antennas and Interference Coordination
Md Moin Uddin Chowdhury, Ismail Guvenc, Walid Saad +1
To integrate unmanned aerial vehicles (UAVs) in future large-scale deployments, a new wireless communication paradigm, namely, the cellular-connected UAV has recently attracted int…
Radar Cross Section Based Statistical Recognition of UAVs at Microwave Frequencies
Martins Ezuma, Chethan Kumar Anjinappa, Mark Funderburk +1
This paper presents a radar cross-section (RCS)-based statistical recognition system for identifying/ classifying unmanned aerial vehicles (UAVs) at microwave frequencies. First, t…
28 GHz Indoor and Outdoor Propagation Analysis at a Regional Airport
Kairui Du, Ozgur Ozdemir, Fatih Erden +1
In the upcoming 5G communication, the millimeter-wave (mmWave) technology will play an important role due to its large bandwidth and high data rate. However, mmWave frequencies hav…
Channel Prediction for mmWave Ground-to-Air Propagation under Blockage
Wahab Khawaja, Ozgur Ozdemir, Ismail Guvenc
Ground-to-air (GA) communication using unmanned aerial vehicles (UAVs) has gained popularity in recent years and is expected to be part of 5G networks and beyond. However, the GA l…
EMR: A New Metric to Assess the Resilience of Directional mmWave Channels to Blockages
Fatih Erden, Ozgur Ozdemir, Ismail Guvenc +1
Millimeter-wave (mmWave) communication systems require narrow beams to increase communication range. If the dominant communication direction is blocked by an obstacle, an alternati…
RF-Based Low-SNR Classification of UAVs Using Convolutional Neural Networks
Ender Ozturk, Fatih Erden, Ismail Guvenc
This paper investigates the problem of classification of unmanned aerial vehicles (UAVs) from radio frequency (RF) fingerprints at the low signal-to-noise ratio (SNR) regime. We us…
Attenuation of Several Common Building Materials in Millimeter-Wave Frequency Bands: 28, 73 and 91 GHz
Nozhan Hosseini, Mahfuza Khatun, Changyu Guo +5
Future cellular systems will make use of millimeter wave (mmWave) frequency bands. Many users in these bands are located indoors, i.e., inside buildings, homes, and offices. Typica…
Outdoor mmWave Base Station Placement: A Multi-Armed Bandit Learning Approach
Fatih Erden, Chethan K. Anjinappa, Ender Ozturk +1
Base station (BS) placement in mobile networks is critical to the efficient use of resources in any communication system and one of the main factors that determines the quality of…
Localization with Deep Neural Networks using mmWave Ray Tracing Simulations
Udita Bhattacherjee, Chethan Kumar Anjinappa, LoyCurtis Smith +2
The world is moving towards faster data transformation with more efficient localization of a user being the preliminary requirement. This work investigates the use of a deep learni…
28 GHz mmWave Channel Measurements: A Comparison of Horn and Phased Array Antennas and Coverage Enhancement Using Passive and Active Repeaters
Ozgur Ozdemir, Fatih Erden, Ismail Guvenc +2
Propagation channel characteristics are substantially different in sub-6 GHz and millimeter-wave (mmWave) bands. A typical mmWave link experiences more than an order-of-magnitude l…
Multiple Ray Received Power Modeling for mmWave Indoor and Outdoor Scenarios
Wahab Khawaja, Ozgur Ozdemir, Fatih Erden +2
Millimeter-wave (mmWave) frequency bands are expected to be used for future 5G networks due to the availability of large unused spectrum. However, the attenuation at mmWave frequen…
3D Trajectory Optimization in UAV-Assisted Cellular Networks Considering Antenna Radiation Pattern and Backhaul Constraint
Md Moin Uddin Chowdhury, Sung Joon Maeng, Eyuphan Bulut +1
This paper explores the effects of three-dimensional (3D) antenna radiation pattern and backhaul constraint on optimal 3D path planning problem of an unmanned aerial vehicle (UAV),…