Ismail Guvenc

Also known as: İsmail Güvenç; Ismail Güvenç; İsmail Guvenc; I Guvenc; İ Guvenc; İ Güvenç

Dr. Ismail Guvenc (Fellow, IEEE) received his Ph.D. degree in electrical engineering from the University of South Florida in 2006. He was with Mitsubishi Electric Research Labs in 2005, with DOCOMO Innovations between 2006-2012, and with Florida International University between 2012-2016. Since 2016, he has been with the Department of Electrical and Computer Engineering at North Carolina State University, serving as a Full Professor since 2020. His recent research interests include 5G wireless systems, communications and networking with drones, and heterogeneous wireless networks. He has published more than 130 conference/journal papers and book chapters, and several standardization contributions. He co-authored/co-edited four books for Cambridge University Press and John Wiley & Sons, and served as an editor for IEEE Communications Letters (2010-2015), IEEE Wireless Communications Letters (2011-2016), IEEE Trans. Wireless Communications (2016-2021), Elsevier Physical Communications (2019-2020), and IEEE Trans. Communications (2020-Present), and as a guest editor for ten special issues for various journals. Dr. Guvenc is an inventor/coinventor of over 30 U.S. patents. He is the PI and the director for the NSF AERPAW project and the NC State site director for the NSF BWAC I/UCRC center. He is an IEEE Fellow, a senior member of the U.S. National Academy of Inventors, and a recipient of several awards, including the NC State University Faculty Scholar Award (2021), R. Ray Bennett Faculty Fellow Award (2019), FIU COE Faculty Research Award (2016), NSF CAREER Award (2015), Ralph E. Powe Junior Faculty Award (2014), and USF Outstanding Dissertation Award (2006).

Works (136)

Updated: April 8th, 2024 05:02

2024 journal article

Kriging-Based 3-D Spectrum Awareness for Radio Dynamic Zones Using Aerial Spectrum Sensors

IEEE Sensors Journal.

TL;DR: 3-D Kriging interpolation technique provides significantly better radio maps when compared with an approach that assumes perfect knowledge of path loss, and the root-mean-square error of the signal power prediction achieved by the proposed 3-D Kriging method is notably lower compared to that of the perfect path loss-based prediction. (via Semantic Scholar)
Source: ORCID
Added: February 1, 2024

2024 journal article

UAV Corridor Coverage Analysis With Base Station Antenna Uptilt and Strongest Signal Association

IEEE Transactions on Aerospace and Electronic Systems.

Source: ORCID
Added: April 8, 2024

2023 article

AERIQ: SDR-Based LTE I/Q Measurement and Analysis Framework for Air-to-Ground Propagation Modeling

2023 IEEE AEROSPACE CONFERENCE.

By: S. Maeng n, O. Ozdemir n, I. Guvenc n, M. Sichitiu n, R. Dutta n & M. Mushi n

TL;DR: AERIQ is integrated into controllable aerial vehicles, it is flexible, repeatable, and provides raw I/Q samples for post-processing the data to extract various key parameters of interest (KPIs) over a 3D volume. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: September 18, 2023

2023 journal article

Analysis of UAV Radar and Communication Network Coexistence With Different Multiple Access Protocols

IEEE TRANSACTIONS ON COMMUNICATIONS, 71(11), 6578–6592.

By: S. Maeng n, J. Park* & I. Guvenc n

author keywords: Coexistence; guard zone; HPPP; multiple access; sensing and communication; stochastic geometry; UAV communication; UAV radar detection
TL;DR: Using stochastic geometry, closed-form expressions are derived to characterize the performance of coexisting UAV radar and communication networks for spectrum overlay multiple access (SOMA) and time-divisionmultiple access (TDMA) and results show that SOMA can outperform TDMA on both SRP and TC when the node density of active UAV-radars is larger than the nodes density of UAVs. (via Semantic Scholar)
UN Sustainable Development Goal Categories
9. Industry, Innovation and Infrastructure (OpenAlex)
Sources: ORCID, Web Of Science
Added: August 16, 2023

2023 journal article

Base Station Antenna Uptilt Optimization for Cellular-Connected Drone Corridors

IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS, 59(4), 4729–4737.

By: S. Maeng n, M. Chowdhury n, I. Guvenc n, A. Bhuyan* & H. Dai n

author keywords: Drones; Antennas; Interference; Probability; Power system reliability; Communication system security; Signal to noise ratio; Antenna uptilt; drone corridor; national airspace (NAS); outage probability; unmanned aerial vehicle (UAV); unmanned aerial vehicle traffic management
TL;DR: This article considers the use of additional uptilted antennas at each cellular BS and optimize the uptilt angle to maximize the wireless coverage probability across a given drone corridor and characterize the optimal value of the antenna uptilt angles for a given antenna pattern as well as the minimum/maximum altitudes of the drone corridor. (via Semantic Scholar)
Sources: ORCID, Web Of Science
Added: August 9, 2023

2023 article

Cellular Spectrum Occupancy Probability in Urban and Rural Scenarios at Various UAS Altitudes

2023 IEEE 34TH ANNUAL INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS, PIMRC.

By: A. Raouf n, S. Maeng n, I. Guvenc n, O. Ozdemir n & M. Sichitiu n

author keywords: 5G; AERPAW; C-Band; CBRS; drone; helikite; LTE; spectrum monitoring; unmanned aerial vehicles (UAV)
TL;DR: The findings reveal that the probability of occupancy is generally higher in the downlink compared to the uplink, and that line-of-sight (LoS) signals play a critical role in higher altitudes. (via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Sources: Web Of Science, ORCID
Added: January 29, 2024

2023 article

Channel Rank Improvement in Urban Drone Corridors Using Passive Intelligent Reflectors

2023 IEEE AEROSPACE CONFERENCE.

By: E. Ozturk n, C. Anjinappa n, F. Erden n, M. Chowdhury, I. Guvenc n, H. Dai n, A. Bhuyan*

TL;DR: The results at 6 GHz, 28 GHz, and 60 GHz show that the proposed approach increases the average rates for all frequency bands for a given drone corridor when compared with the environment with no IRSs present, and IRS-aided channels perform close to each other at sub-6 and mmWave bands. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: September 18, 2023

2023 article

Characterizing Interference in UAV-mounted Radar Networks with Guard Zones

2023 IEEE 97TH VEHICULAR TECHNOLOGY CONFERENCE, VTC2023-SPRING.

By: J. Park* & I. Guvenc n

author keywords: Interference analysis; stochastic geometry; UAV radar network
TL;DR: It is argued that the radar network design parameters such as the radius of the guard zone and the density of the active radars can be optimized and the successful ranging probability of a given radar is derived by exploiting the Laplace transform of radar interference. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: November 20, 2023

2023 article

Demonstration of Joint SDR/UAV Experiment Development in AERPAW

MILCOM 2023 - 2023 IEEE MILITARY COMMUNICATIONS CONFERENCE.

By: A. Gurses n, M. Funderburk n, J. Kesler n, K. Powell*, T. Rahman*, O. Ozdemir n, M. Mushi n, M. Sichitiu n ...

TL;DR: This demo exercises the main three flexible testbed capabilities, namely the ability of an experimenter to choose a wireless radio setup, a vehicle setup, and to set up traffic. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: March 25, 2024

2023 journal article

Heterogeneous Drone Small Cells: Optimal 3D Placement for Downlink Power Efficiency and Rate Satisfaction

DRONES, 7(10).

By: N. Namvar*, F. Afghah* & I. Guvenc n

author keywords: beamforming; drone base station (DBS); power efficiency; resource optimization; 3D deployment
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID
Added: January 2, 2024

2023 journal article

Impact of 3-D Antenna Radiation Pattern in UAV Air-to-Ground Path Loss Modeling and RSRP-Based Localization in Rural Area

IEEE Open Journal of Antennas and Propagation.

TL;DR: This paper investigates the impact of 3D antenna patterns on a UAV air-to-ground path loss model, utilizing datasets obtained from a measurement campaign, and proposes an RSRP-based localization algorithm at a Uav that takes into account antenna patterns in both offline and online scenarios. (via Semantic Scholar)
Source: ORCID
Added: February 1, 2024

2023 journal article

Interference Analysis for UAV Radar Networks With Guard Zones Based on Stochastic Geometry

IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS, 59(4), 4092–4104.

By: J. Park* & I. Guvenc n

author keywords: Radar; Radar cross-sections; Interference; Stochastic processes; Spaceborne radar; Probabilistic logic; Channel models; Guard zones; stochastic geometry; two-dimensional homogeneous Poisson point process (2D HPPP); unmanned aerial vehicle (UAV); radar network
TL;DR: The successful ranging probability (SRP) of a given radar is derived by exploiting the Laplace transform of radar interference, and how the analytic SRP gives an insight into the spectrum utilization strategy for the UAV radar networks with the guard zones is discussed. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: ORCID, Web Of Science
Added: January 12, 2023

2023 journal article

LTE I/Q Data Set for UAV Propagation Modeling, Communication, and Navigation Research

IEEE COMMUNICATIONS MAGAZINE, 61(9), 90–96.

By: S. Maeng n, O. Ozdemir n, I. Guvenc n, M. Sichitiu n, M. Mushi n & R. Dutta n

author keywords: Wireless communication; Visualization; Codes; Radio navigation; Metadata; Autonomous aerial vehicles; Long Term Evolution
TL;DR: This article introduces raw LTE in-phase and quadrature sample data sets obtained from physical field experiments of the NSF AERPAW experimentation platform and implements a standardized metadata format that can be used to replicate the results obtained from the collected datasets. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: October 30, 2023

2023 journal article

Minimizing Ground Risk in Cellular-Connected Drone Corridors With mmWave Links

IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS, 59(6), 7923–7937.

By: S. Singh n, M. Sichitiu n, I. Guvenc n & A. Bhuyan*

author keywords: Autonomous aerial vehicles; Drones; Trajectory; Internet of Things; Wireless communication; Millimeter wave communication; 5G mobile communication; A* search; beamforming; conflict-based search (CBS); drone corridor; ground risk; mmWave; multiagent pathfinding (MAPF); unmanned aircraft system (UAS); unmanned aircraft system traffic management (UTM)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Sources: ORCID, Web Of Science
Added: August 5, 2023

2023 journal article

Mobility State Detection of Cellular-Connected UAVs Based on Handover Count Statistics

IEEE OPEN JOURNAL OF VEHICULAR TECHNOLOGY, 4, 490–504.

By: M. Chowdhury n, P. Sinha n, K. Mahler & I. Guvenc n

author keywords: 3GPP; advanced aerial mobility (AAM); antenna radiation; Cramer-Rao lower bound; estimation; minimum variance unbiased (MVU); unmanned aerial vehicle (UAV)
TL;DR: An approximation to the probability mass function of handover count (HOC) as a function of a cellular-connected UAV's height and velocity, HOC measurement time window, and different ground base station (GBS) densities is introduced. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: ORCID, Web Of Science
Added: July 18, 2023

2023 article

Propagation Measurements and Coverage Analysis for mmWave and Sub-THz Frequency Bands with Transparent Reflectors

2023 IEEE 97TH VEHICULAR TECHNOLOGY CONFERENCE, VTC2023-SPRING.

By: A. Ganesh n, W. Khawaja n, O. Ozdemir n, I. Guvenc n, H. Nomoto* & Y. Ide*

author keywords: 5G; 6G; channel sounding; curved reflectors; flat reflectors; mmWave; ray tracing; sub-THz; transparent reflectors
TL;DR: Analysis of the use of passive transparent reflectors to improve signal coverage in an NLOS indoor scenario reveals that the transparent reflector outperforms the metal reflector and increases the radio propagation coverage in all three frequencies of interest: 28 GHz, 39 GHz, and 120 GHz. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: November 20, 2023

2023 article

RF SSSL by an Autonomous UAV with Two-Ray Channel Model and Dipole Antenna Patterns

2023 IEEE 34TH ANNUAL INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS, PIMRC.

By: H. Kwon n, S. Maeng n & I. Guvenc n

author keywords: AERPAW; antenna pattern; drone; linear least square (LLS); positioning; RSSI-based localization; unmanned aerial vehicles (UAV); two-ray model
TL;DR: The efficacy of the proposed localization approaches is examined based on two main localization requirements through computer simulations, achieving the highest possible accuracy and localizing the target as quickly as possible with reasonable accuracy. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: January 29, 2024

2023 article

RF Signal Source Search and Localization Using an Autonomous UAV with Predefined Waypoints

2023 IEEE 97TH VEHICULAR TECHNOLOGY CONFERENCE, VTC2023-SPRING.

By: H. Kwon n & I. Guvenc n

author keywords: Drone; linear least square (LLS); positioning; RSSI-based localization; unmanned aerial vehicles (UAV)
TL;DR: Five different LLS localization algorithms are proposed and studied for selecting anchor positions to be used for localization as the UAV navigates through an area and the performance of each algorithm is measured in two ways: real-time positioning accuracy during the ongoing UAV flight, and long-term accuracy measured at the end of the Uav flight. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: November 20, 2023

2023 journal article

RL-Based Detection, Tracking, and Classification of Malicious UAV Swarms through Airborne Cognitive Multibeam Multifunction Phased Array Radar

DRONES, 7(7).

By: W. Khawaja*, Q. Yaqoob* & I. Guvenc n

author keywords: artificial intelligence (AI); classification; cognitive; detection; multibeam multifunction phased array radar (MMPAR); reinforcement learning (RL); swarm; tracking; unmanned aerial vehicles (UAVs)
TL;DR: The simulations show that the cognitive adjustment of the MMPAR parameters and position of the airborne platform using RL helps to overcome anomalies in the detection, tracking, and classification of UAVs in a swarm. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: August 14, 2023

2023 article

Rank and Condition Number Analysis for UAV MIMO Channels Using Ray Tracing

2023 IEEE 97TH VEHICULAR TECHNOLOGY CONFERENCE, VTC2023-SPRING.

By: D. Lee n & I. Guvenc n

author keywords: AERPAW; condition number; drone; MIMO; channel rank; ray tracing; spatial multiplexing; UAV
TL;DR: Detailed ray tracing simulations are used to characterize how the channel rank tends to reduce as a function of UAV altitude, while also providing insights into the effects of geography, building distribution, and threshold parameters on channel rank and condition number. (via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Sources: Web Of Science, ORCID
Added: November 20, 2023

2023 article

Spectrum Activity Monitoring and Analysis for Sub-6 GHz Bands Using a Helikite

2023 15TH INTERNATIONAL CONFERENCE ON COMMUNICATION SYSTEMS & NETWORKS, COMSNETS.

By: S. Maeng n, O. Ozdemir n, H. Nandakumar n, I. Guvenc n, M. Sichitiu n, R. Dutta n, M. Mushi n

author keywords: AERPAW; helikite; LTE; air-to-ground; software-defined radio; spectrum monitoring
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Sources: Web Of Science, ORCID
Added: May 30, 2023

2023 article

Spectrum Monitoring and Analysis in Urban and Rural Environments at Different Altitudes

2023 IEEE 97TH VEHICULAR TECHNOLOGY CONFERENCE, VTC2023-SPRING.

By: A. Raouf n, S. Maeng n, I. Guvenc n, O. Ozdemir n & M. Sichitiu n

author keywords: 5G; C-Band; CBRS; helikite; LTE; spectrum monitoring; unmanned aerial vehicles (UAV)
TL;DR: The results reveal that generally the mean value of the measured power increases as the altitude increases where the line-of-sight links with nearby base stations is more available. (via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Sources: Web Of Science, ORCID
Added: November 20, 2023

2022 article

60 GHz Outdoor Propagation Measurements and Analysis Using Facebook Terragraph Radios

2022 IEEE RADIO AND WIRELESS SYMPOSIUM (RWS), pp. 156–159.

By: K. Du n, O. Mujumdar n, O. Ozdemir n, E. Ozturk n, I. Guvenc n, M. Sichitiu n, H. Dai n, A. Bhuyan*

author keywords: 60 GHz; AERPAW; channel sounding measurements; delay spread; drone; LOS; mmWave; MPCs; path loss
TL;DR: This work investigated the propagation and scattering behavior of 60 GHz mmWave signals in outdoor environments at a travel distance of 98 m for an aerial link (rooftop to rooftop), and 147 m for a ground link (light-pole to light-pole). (via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID
Added: June 13, 2022

2022 journal article

<p>Wavelet transform analytics for RF-based UAV detection and identification system using machine learning & nbsp;</p>

Wavelet transform analytics for RF-based UAV detection and identification system using machine learning & nbsp;

PERVASIVE AND MOBILE COMPUTING, 82.

By: O. Medaiyese*, M. Ezuma n, A. Lauf* & I. Guvenc n

author keywords: Interference; RF fingerprinting; Scattergram; Scalogram; SqueezeNet; UAVs; Wavelet transform
TL;DR: This work performed a thorough comparative analysis on a radio frequency (RF) based drone detection and identification system (DDI) under wireless interference by using machine learning algorithms, and a pre-trained convolutional neural network-based algorithm called SqueezeNet, as classifiers. (via Semantic Scholar)
Sources: ORCID, Web Of Science
Added: March 4, 2022

2022 article

AERPAW Vehicles: Hardware and Software Choices

PROCEEDINGS OF THE 2022 EIGHTH WORKSHOP ON MICRO AERIAL VEHICLE NETWORKS, SYSTEMS, AND APPLICATIONS, DRONET 2022, pp. 37–42.

By: M. Funderburk n, J. Kesler n, K. Sridhar n, M. Sichitiu n, I. Guvenc n, R. Dutta n, T. Zajkowski n, V. Marojevic*

TL;DR: The vehicle aspects of the testbed, including the AERPAW UAVs, UGVs, as well as the hardware and software choices made by the team, aswell as the experience earned in the past few years are detailed. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: September 18, 2023

2022 journal article

Advanced Air Mobility: Research Directions for Communications, Navigation, and Surveillance

IEEE Vehicular Technology Magazine.

author keywords: Active appearance model; Aircraft; Hazards; FAA; Aircraft navigation; Air traffic control; 3GPP
TL;DR: Current approaches and future research challenges in air corridor design, air-to-air (AA) communications, 3rd Generation Partnership Project (3GPP) support for navigation, and detect and avoid (DAA)/collision avoidance, among other areas, for supporting future AAM operations are discussed. (via Semantic Scholar)
Source: ORCID
Added: August 24, 2022

2022 article

Automating Operator Oversight in an Autonomous, Regulated, Safety-Critical Research Facility

2022 31ST INTERNATIONAL CONFERENCE ON COMPUTER COMMUNICATIONS AND NETWORKS (ICCCN 2022).

By: T. Samal n, R. Dutta n, I. Guvenc n, M. Sichitiu n, B. Floyd n & T. Zajkowski n

author keywords: Wireless; testbed; 5G; NextG; UAV; UAS; drone
TL;DR: The challenges and considerations of designing architectural mechanisms that balance freedom of experimentation with regulatory compliance and safety are articulated, and the architectural features of AERPAW are presented that attempt to realize these lofty goals. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: October 17, 2022

2022 journal article

Comparative Analysis of Radar-Cross-Section-Based UAV Recognition Techniques

IEEE SENSORS JOURNAL, 22(18), 17932–17949.

By: M. Ezuma n, C. Anjinappa n, V. Semkin* & I. Guvenc n

author keywords: Deep learning (DL); machine learning (ML); radar cross section (RCS); statistical learning (SL); target identification and recognition; unmanned aerial vehicles (UAVs)
TL;DR: The study shows that, while the average accuracy of all the algorithms increases with the signal-to-noise ratio (SNR), the ML algorithm achieved better accuracy than the SL and DL algorithms. (via Semantic Scholar)
Sources: ORCID, Web Of Science
Added: August 4, 2022

2022 journal article

Coverage Probability Analysis of Passive Reflectors in Indoor Environments

IEEE COMMUNICATIONS LETTERS, 26(10), 2287–2291.

By: S. Maeng n, C. Anjinappa n & I. Guvenc n

author keywords: Scattering; Signal to noise ratio; Probability density function; Metals; Mathematical models; Antenna arrays; Transmitting antennas; B5G; indoor coverage; mmWave; non-line-of-sight (NLOS); sub-THz; transparent reflectors
TL;DR: This letter considers an indoor open-door scenario, where the LoS link is blocked by the walls for receivers inside the room, and the Coverage can only be achieved via an NLoS link through a passive reflector, and analytically derive closed-form equations of the reflection visibility probability and the coverage probability. (via Semantic Scholar)
Sources: ORCID, Web Of Science
Added: July 27, 2022

2022 journal article

Dynamic Interference Management for UAV-Assisted Wireless Networks

IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, 21(4), 2637–2653.

author keywords: Interference; Trajectory; Three-dimensional displays; Wireless communication; Jamming; Resource management; Unmanned aerial vehicles; Unmanned aerial vehicle (UAV); jammer; trajectory optimization; power allocation; interference management; smart interferer; spectral graph theory; Cheeger constant
TL;DR: This work designs the 3D trajectories and power allocation for the UAVs to maximize the data flow of the network while keeping the interference on the existing communication network below a threshold, and proposes an alternating-maximization approach. (via Semantic Scholar)
Sources: ORCID, Web Of Science
Added: April 14, 2022

2022 journal article

IMSI Sharing-Based Dynamic and Flexible Traffic Aggregation for Massive IoT Networks

IEEE INTERNET OF THINGS JOURNAL, 9(19), 18221–18237.

By: A. Chapnevis*, I. Guvenc n & E. Bulut*

author keywords: Logic gates; Internet of Things; Traffic control; Heuristic algorithms; Data communication; Servers; Optimization; Core network; international mobile subscriber identity (IMSI) sharing; machine-type communications (MTCs); massive Internet of Things (IoT); resource optimization
TL;DR: This article solves the optimal grouping and traffic aggregation problem for the initial and updated network states using integer linear programming (ILP) and develops heuristic-based solutions that can provide close to optimal ILP-based results while running much faster. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: ORCID, Web Of Science
Added: September 23, 2022

2022 journal article

Impact of Antenna Pattern on TOA Based 3D UAV Localization Using a Terrestrial Sensor Network

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, 71(7), 7703–7718.

By: P. Sinha n & I. Guvenc n

author keywords: Three-dimensional displays; Location awareness; Dipole antennas; Antenna measurements; Autonomous aerial vehicles; Antenna radiation patterns; Wireless sensor networks; Antenna pattern; Cramer-Rao lower bound (CRLB); drone localization; TDOA; unauthorized UAV
TL;DR: The fundamental limits of the 3D localization of unmanned aerial vehicles (UAVs) in conjunction with the effects of 3D antenna radiation patterns are explored and a multi-antenna signal acquisition technique is proposed that mitigates the accuracy degradation due to the antenna pattern mismatches. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: ORCID, Web Of Science
Added: July 16, 2022

2022 article

Indoor Propagation Measurements with Transparent Reflectors at 28/39/120/144 GHz

2022 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS WORKSHOPS (ICC WORKSHOPS), pp. 1118–1123.

By: C. Anjinappa n, A. Ganesh n, O. Ozdemir n, K. Ridenour n, W. Khawaja n, I. Guvenc n, H. Nomoto*, Y. Ide*

author keywords: 6G; B5G; Indoor coverage; mmWave; non-line-of-sight (NLOS); Sub-THz; Transparent reflectors
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID
Added: September 26, 2022

2022 article

Intelligent Feedback Overhead Reduction (iFOR) in Wi-Fi 7 and Beyond

2022 IEEE 95TH VEHICULAR TECHNOLOGY CONFERENCE (VTC2022-SPRING).

By: M. Deshmukh*, Z. Lin*, H. Lou*, M. Kamel, R. Yang* & I. Guvenc n

author keywords: Beamforming; CSI Overhead Reduction; K-means; MIMO; Unsupervised Learning; WLAN
TL;DR: This paper develops an unsupervised learning-based method to reduce the sounding duration in a Wi-Fi MIMO link and it can boost the system throughput by up to 52%. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: October 31, 2022

2022 journal article

Machine Learning-Based Beamforming for Unmanned Aerial Vehicles Equipped with Reconfigurable Intelligent Surfaces

IEEE WIRELESS COMMUNICATIONS, 29(4), 32–38.

By: I. Ahmad*, R. Narmeen*, Z. Becvar* & I. Guvenc n

author keywords: Array signal processing; Wireless networks; Simulation; Machine learning; Communication channels; Reconfigurable intelligent surfaces; Autonomous aerial vehicles
TL;DR: A machine learning-based beamforming policy for UAV-RIS by employing prioritized experience replay (PER) based deep Q-Network (DQN) based beamforming provides significant enhancements in performance. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: November 7, 2022

2022 article

National Radio Dynamic Zone Concept with Autonomous Aerial and Ground Spectrum Sensors

2022 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS WORKSHOPS (ICC WORKSHOPS), pp. 687–692.

By: S. Maeng n, I. Guvenc n, M. Sichitiu n, B. Floyd n, R. Dutta n, T. Zajkowski n, O. Ozdemir n, M. Mushi n

author keywords: Index Words; 5G; cellular drone; mmWave; spectral efficiency; wireless security; NRDZ.
TL;DR: This paper elaborate on key characteristics and features of an NRDZ to enable advanced wireless experimentation while also coexisting with licensed users and some preliminary results based on simulation and experimental evaluations are provided on out-of-zone leakage monitoring and real-time REMs. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: September 26, 2022

2022 article

Neural Network Based Tracking of Maneuvering Unmanned Aerial Vehicles

2022 56TH ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS, AND COMPUTERS, pp. 380–386.

By: P. Sinha n, H. Krim n & I. Guvenc n

author keywords: Adaptive filtering; change point detection; maneuvering target tracking; neural network; nonlinear data-driven motion model
TL;DR: This work builds a data driven adaptive filtering algorithm that improves the tracking accuracy by using a recurrent neural network (RNN)-based motion model that is trained on realistic simulated data generated from a medium fidelity simulink model of a fixed-wing UAV. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: June 5, 2023

2022 article

Out-of-Zone Signal Leakage Sensing in Radio Dynamic Zones

IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS (ICC 2022), pp. 5579–5584.

By: S. Maeng n, I. Guvenc n, M. Sichitiu n & O. Ozdemir n

author keywords: Correlated shadowing; estimation; interpolation; Kriging; national radio dynamic zone (NRDZ)
TL;DR: This paper introduces a spectrum monitoring concept for OoZ signal leakage detection at RDZs, where sensor nodes (SNs) are installed at the boundary of an RDZ and monitor the power leakage from multiple transmitters within the RDZ. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: December 12, 2022

2022 journal article

Precoder Design for Physical-Layer Security and Authentication in Massive MIMO UAV Communications

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, 71(3), 2949–2964.

By: S. Maeng n, Y. Yapici*, I. Guvenc n, A. Bhuyan* & H. Dai n

author keywords: Authentication; Autonomous aerial vehicles; Rician channels; Precoding; Security; Antennas; Massive MIMO; Artificial noise; authentication; fingerprinting; massive MIMO; physical layer security; precoding; UAV
TL;DR: This paper considers cellular connected UAVs (C-UAVs) that are served by massive multiple-input-multiple-output (MIMO) links to extend coverage range, while also improving physical layer security and authentication. (via Semantic Scholar)
Sources: ORCID, Web Of Science
Added: March 16, 2022

2022 journal article

Radar Cross Section Based Statistical Recognition of UAVs at Microwave Frequencies

IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS, 58(1), 27–46.

By: M. Ezuma n, C. Anjinappa n, M. Funderburk n & I. Guvenc n

author keywords: Radar cross-sections; Radar; Radar imaging; Target recognition; Signal to noise ratio; Drones; Propellers; Akaike information criterion (AIC); automatic target recognition (ATR); Bayesian information criterion (BIC); classification; compact-range chamber; detection; radar cross-section (RCS); unmanned aerial vehicle (UAV)
TL;DR: From the model selection analysis, it is observed that the lognormal, generalized extreme value, and gamma distributions are most suitable for modeling the RCS of the commercial UAVs while the Gaussian distribution performed relatively well and the best UAV radar statistics forms the class conditional probability densities for the proposed UAV statistical recognition system. (via Semantic Scholar)
Sources: ORCID, Web Of Science
Added: February 10, 2022

2022 article

Ray Tracing Analysis of Sub-6 GHz and mmWave Indoor Coverage with Reflecting Surfaces

2022 IEEE RADIO AND WIRELESS SYMPOSIUM (RWS), pp. 160–163.

By: E. Ozturk n, F. Erden n, K. Du n, C. Anjinappa n, O. Ozdemir n & I. Guvenc n

author keywords: 28 GHz; 60 GHz; indoor propagation; mmWave; ray tracing; reflecting surfaces
TL;DR: The results showed that ray tracing solutions are consistent with theoretical calculations, and using reflective walls significantly improves average received power and connectivity at mmWave bands, e.g., for the given floor plan, coverage increases from 86% to 97.5% at 60 GHz band. (via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Sources: Web Of Science, ORCID
Added: June 13, 2022

2022 journal article

Stepped-Carrier OFDM With a Nonlinear Hopping Pattern for Joint Radar and Communications

IEEE SENSORS JOURNAL, 22(24), 24619–24633.

author keywords: Nonlinear hopping pattern; stateless Q-learning; stepped-carrier orthogonal frequency-division multiplexing (OFDM); subband allocation
TL;DR: Through computer simulations, it is confirmed that the proposed stepped-carrier OFDM with the nonlinear hopping pattern exhibits a higher achievable sum rate than conventional linear stepped OFDM while not sacrificing the radar performance of target parameter estimation. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: ORCID, Web Of Science
Added: November 9, 2022

2022 article

The AERPAW Experiment Workflow - Considerations for Designing Usage Models for a Computing-supported Physical Research Platform

IEEE INFOCOM 2022 - IEEE CONFERENCE ON COMPUTER COMMUNICATIONS WORKSHOPS (INFOCOM WKSHPS).

By: M. Mushi*, H. Joshi*, R. Dutta*, I. Guvenc*, M. Sichitiu*, B. Floyd*, T. Zajkowski n

author keywords: Wireless; testbed; 5G; NextG; UAV; UAS; drone
TL;DR: The challenges and considerations of designing an experiment workflow that balances the need for guaranteeing safe testbed operation, and providing flexible programmatic access to this unique resource are articulated. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: October 31, 2022

2022 review

Threats from and Countermeasures for Unmanned Aerial and Underwater Vehicles

[Review of ]. SENSORS, 22(10).

By: W. Khawaja*, V. Semkin*, N. Ratyal*, Q. Yaqoob*, J. Gul* & I. Guvenc n

author keywords: classification; countermeasures; detection; tracking; unmanned aerial vehicles (UAVs); unmanned underwater vehicles (UUVs)
MeSH headings : Aircraft; Unmanned Aerial Devices
TL;DR: The features and capabilities expected from current and future UAVs and UUVs are provided, and the countermeasures against such threats are overviewed, including approaches for the detection, tracking, and classification of Uavs andUUVs. (via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Sources: Web Of Science, ORCID
Added: June 6, 2022

2022 article

Tropospheric attenuation prediction for future millimeter wave terrestrial systems: Estimating statistics and extremes

Liu, J., Matolak, D. W., Guvenc, I., & Mehrpouyan, H. (2022, May 30). INTERNATIONAL JOURNAL OF COMMUNICATION SYSTEMS, Vol. 5.

By: J. Liu*, D. Matolak*, I. Guvenc n & H. Mehrpouyan*

author keywords: tropospheric attenuation; worst month variability
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID
Added: June 13, 2022

2021 article

28 GHz Indoor and Outdoor Propagation Measurements and Analysis at a Regional Airport

2021 IEEE 32ND ANNUAL INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS (PIMRC).

By: K. Du n, O. Ozdemir n, F. Erden n & I. Guvenc n

author keywords: 28 GHz; mmWave; LOS; NLOS; propagation channel measurement; multipath components; signal coverage
TL;DR: Results on LOS propagation, reflection, penetration, signal coverage, and multipath components (MPCs) show a lower indoor FSPL, a richer scattering, and a better coverage compared to outdoor, while high indoor-to-outdoor propagation losses are observed. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: May 23, 2022

2021 article

A Taxonomy and Survey on Experimentation Scenarios for Aerial Advanced Wireless Testbed Platforms

2021 IEEE AEROSPACE CONFERENCE (AEROCONF 2021).

By: M. Chowdhury n, C. Anjinappa n, I. Guvenc n, M. Sichitiu n, O. Ozdemir n, U. Bhattacherjee n, R. Dutta n, V. Marojevic*, B. Floyd n

Contributors: M. Chowdhury n, C. Anjinappa n, I. Guvenc n, M. Sichitiu n, O. Ozdemir n, U. Bhattacherjee n, R. Dutta n, V. Marojevic*, B. Floyd n

TL;DR: A brief overview of large-scale advanced wireless experimentation platforms broadly available to the wireless research community, including also the Aerial Experimentation and Research Platform for Advanced Wireless (AERPAW). (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: September 13, 2021

2021 journal article

AERPAW emulation overview and preliminary performance evaluation

COMPUTER NETWORKS, 194.

By: A. Panicker n, O. Ozdemir n, M. Sichitiu n, I. Guvenc n, R. Dutta n, V. Marojevic*, B. Floyd n

Contributors: A. Panicker n, O. Ozdemir n, M. Sichitiu n, I. Guvenc n, R. Dutta n, V. Marojevic*, B. Floyd n

author keywords: AERPAW; Emulation; UAV
TL;DR: This paper first presents the emulation design of AERPAW vehicles, then describes various different options for wireless channel emulation in AerPAW, and starts with a generalized model for wireless emulation, and expands that model to packet-level emulation, I-Q level emulator, and radio-frequency (RF)-level emulation. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: ORCID, Web Of Science
Added: April 21, 2021

2021 article

Advanced Air Mobility

Namuduri, K., Fiebig, U.-C., Hari, K. V. S., Matolak, D. W., Guvenc, I., & Maattanen, H.-L. (2021, September). IEEE VEHICULAR TECHNOLOGY MAGAZINE, Vol. 16, pp. 87-+.

UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Sources: Web Of Science, ORCID
Added: August 30, 2021

2021 journal article

Attenuation of Several Common Building Materials: Millimeter-Wave Frequency Bands 28, 73, and 91 GHz

IEEE ANTENNAS AND PROPAGATION MAGAZINE, 63(6), 40–50.

By: N. Hosseini*, M. Khatun*, C. Guo*, K. Du n, O. Ozdemir n, D. Matolak*, I. Guvenc n, H. Mehrpouyan*

author keywords: Attenuation; Antenna measurements; Loss measurement; Antennas; Frequency measurement; Building materials; Attenuation measurement; Millimeter wave measurements
TL;DR: A collaborative measurement campaign is reported on to find the attenuation of several typical building materials in three potential mm-wave bands (28, 73, and 91 GHz) using directional antennas and averaged out residual small-scale fading effects. (via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Sources: ORCID, Web Of Science
Added: January 6, 2021

2021 journal article

Base Station and Passive Reflectors Placement for Urban mmWave Networks

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, 70(4), 3525–3539.

By: C. Anjinappa n, F. Erden n & I. Guvenc n

author keywords: Three-dimensional displays; Planning; IP networks; Quality of service; Buildings; Optimization; Bibliographies; 5G; coverage enhancement; GNB location optimization; maximum coverage; metallic reflectors; MmWave
TL;DR: Simulation results show that considering the first-order reflections in planning the mmWave network helps reduce the number of PMRs required to cover the NLoS area, which in turn reduces the deployment cost. (via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Sources: ORCID, Web Of Science
Added: May 6, 2021

2021 journal article

Channel Prediction for mmWave Ground-to-Air Propagation Under Blockage

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS, 20(8), 1364–1368.

By: W. Khawaja*, O. Ozdemir n & I. Guvenc n

author keywords: Trajectory; Unmanned aerial vehicles; Predictive models; Azimuth; Receivers; Prediction algorithms; Forecasting; Blockage; channel prediction; millimeter wave (mmWave); unmanned aerial vehicle (UAV)
TL;DR: A novel method of channel prediction during the GA link blockage at 28 GHz is provided, and results obtained from ray-tracing simulations indicate a close match between the actual and the predicted mmWave channel. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: August 16, 2021

2021 article

Collaborative Trajectory Optimization for Outage-aware Cellular-Enabled UAVs

2021 IEEE 93RD VEHICULAR TECHNOLOGY CONFERENCE (VTC2021-SPRING).

author keywords: UAV; trajectory optimization; cellular network
TL;DR: This paper lets UAVs collaborate and provide connectivity as relays to each other to solve their outage problem and shorten their trajectories, and provides a graph-based approximate solution that provides close to optimal results and performs better than state-of-the-art solutions. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: September 20, 2021

2021 article

Coverage Analysis of Cellular-Connected UAV Communications with 3GPP Antenna and Channel Models

2021 IEEE GLOBAL COMMUNICATIONS CONFERENCE (GLOBECOM).

By: Z. Cui*, K. Guan*, I. Guvenc n, C. Oestges* & Z. Zhong*

author keywords: Aerial user; base station; coverage probability; sector antenna; performance analysis; unmanned aerial vehicle
TL;DR: It is found that the aerial user equipment (AUE) in a certain range of heights can achieve the same or better coverage probability than that of GUE, which provides an insight into the effective deployment of cellular-connected aerial communications. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: May 23, 2022

2021 journal article

Coverage Hole Detection for mmWave Networks: An Unsupervised Learning Approach

IEEE COMMUNICATIONS LETTERS, 25(11), 3580–3584.

By: C. Anjinappa n & I. Guvenc n

author keywords: Visualization; Manifolds; Unsupervised learning; Linear antenna arrays; Channel estimation; Technological innovation; Radio links; 5G; coverage hole; dimensionality reduction; mmWave; radio hole; t-SNE; UMAP; unsupervised learning
TL;DR: Results on the DeepMIMO dataset scenario demonstrate that the proposed method can learn the structure within the data samples and provide visual holes in the low-dimensional embedding while preserving the CH boundaries. (via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Sources: ORCID, Web Of Science
Added: November 11, 2021

2021 journal article

FPV Video Adaptation for UAV Collision Avoidance

IEEE OPEN JOURNAL OF THE COMMUNICATIONS SOCIETY, 2, 2095–2110.

By: S. Singh n, H. Lee, T. Tran*, Y. Zhou*, M. Sichitiu n, I. Guvenc n, A. Bhuyan*

author keywords: Streaming media; Unmanned aerial vehicles; Collision avoidance; Optical sensors; Feeds; Real-time systems; Measurement; Collision avoidance; FPV; safety; UAV; video adaptation
TL;DR: A theoretical model for obstacle collisions that considers the current communication channel conditions, the real time video parameters, and the UAV’s position relative to the closest obstacle is presented and the performance of the proposed adaptive algorithm was found to be higher than the closest non-adaptive one in terms of maximizing the probability of avoiding collision. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: September 20, 2021

2021 journal article

Fundamental Limits on Detection of UAVs by Existing Terrestrial RF Networks

IEEE OPEN JOURNAL OF THE COMMUNICATIONS SOCIETY, 2, 2111–2130.

By: P. Sinha*, I. Guvenc n & M. Gursoy*

author keywords: Drones; Sensors; Radio frequency; Sensor phenomena and characterization; Interference; Three-dimensional displays; Geometry; A2G channel; beam tilt; directional antenna pattern; drone detection; LoS; NLoS; stochastic geometry
TL;DR: An analytical framework is developed that provides the fundamental limits on the network-wide drone detection probability and demonstrates the impact of the sensor density, beam tilt angle, half power beam width (HPBW) and different degrees of LoS dominance, on the projected detection performance. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: September 27, 2021

2021 journal article

Interference Analysis and Mitigation for Aerial IoT Considering 3D Antenna Patterns

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, 70(1), 490–503.

By: S. Maeng n, M. Deshmukh n, I. Guvenc n, A. Bhuyan* & H. Dai n

author keywords: Three-dimensional displays; Antenna radiation patterns; Interference; Dipole antennas; Transmitters; Topology; Receiving antennas; 5G; 3D topology; antenna radiation pattern; IoT; UAV; uncoordinated network
TL;DR: This paper proposes a low-complexity interference mitigation scheme that utilizes 3D antenna radiation pattern with different dipole antenna settings, and shows that using the proposed scheme, the ergodic achievable rate improves as the height of the aerial receivers increases. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: ORCID, Web Of Science
Added: February 18, 2021

2021 journal article

On Modeling Satellite-to-Ground Path-Loss in Urban Environments

IEEE COMMUNICATIONS LETTERS, 25(3), 696–700.

By: A. Al-Hourani* & I. Guvenc n

author keywords: Atmospheric modeling; Satellites; Satellite broadcasting; Standards; Nonlinear optics; ITU; Absorption; Satellite-to-ground; IoT-over-satellite; land mobile-satellite; GNSS; GPS; path-loss modeling; stochastic geometry
TL;DR: A systematic framework for modeling satellite-to-ground path-loss in urban environments, where the line-of-sight probability is obtained using tractable tools from stochastic geometry, while the shadowing is captured using a Gaussian mixture model. (via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (Web of Science; OpenAlex)
Sources: ORCID, Web Of Science
Added: March 10, 2021

2021 journal article

Outage Analysis for Cooperative mmWave UAV Communications With Beam Training Overhead

IEEE WIRELESS COMMUNICATIONS LETTERS, 10(10), 2249–2253.

By: H. Ding n, H. Dai n, I. Guvenc n & A. Bhuyan*

author keywords: Relays; Signal to noise ratio; Probability; Power system reliability; Training; Azimuth; Probes; Unmanned aerial vehicle (UAV); cooperative communications; millimeter wave (mmWave) communications
TL;DR: This letter analyzes how outage probability varies with the number of neighboring UAVs being probed as potential relays for relay selection in cooperative millimeter wave (mmWave) unmanned aerial vehicle (UAV) communications. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: ORCID, Web Of Science
Added: October 7, 2021

2021 journal article

Physical Layer Security for NOMA Transmission in mmWave Drone Networks

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, 70(4), 3568–3582.

By: Y. Yapici*, N. Rupasinghe, I. Guvenc n, H. Dai n & A. Bhuyan*

author keywords: NOMA; Unmanned aerial vehicles; Shape; Wireless networks; Receivers; Jamming; Decoding; Millimeter-wave (mmWave); non-orthogonal multiple access (NOMA); physical layer security (PLS); protected zone; unmanned aerial vehicle (UAV)
TL;DR: This work proposes a protected-zone approach to enhance the secrecy-rate performance by preventing the most vulnerable subregion (outside the user region) from the presence of malicious receivers, and shows that the optimal protected zone shape for mmWave links appears as a compromise between protecting the angle versus distance dimension. (via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Sources: ORCID, Web Of Science
Added: May 6, 2021

2021 article

Placement of mmWave Base Stations for Serving Urban Drone Corridors

2021 IEEE 93RD VEHICULAR TECHNOLOGY CONFERENCE (VTC2021-SPRING).

By: S. Singh n, U. Bhattacherjee n, E. Ozturk n, I. Guvenc n, H. Dai n, M. Sichitiu n, A. Bhuyan*

author keywords: Drone corridor; mmWave; beamforming; A* search
TL;DR: This work develops a mathematical model of the drone corridor and proposes a brute force algorithm that leverages A* search to meet the quality of service (QoS) requirements of the corridor by choosing the minimal set of BS locations from a pre-determined initial set. (via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID
Added: September 20, 2021

2021 article

Power Allocation for Fingerprint-Based PHY-Layer Authentication with mmWave UAV Networks

IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS (ICC 2021).

By: S. Maeng n, Y. Yapici*, I. Guvenc n, H. Dai n & A. Bhuyan*

author keywords: 5G; authentication; artificial noise; eavesdropping; fingerprinting; millimeter-wave; physical layer security; power allocation; precoder
TL;DR: This paper considers the authentication technique that uses fingerprint embedding to defend 5G cellular networks with unmanned aerial vehicle (UAV) systems from eavesdroppers and intruders, and proposes a power allocation technique that jointly takes into account splitting of the transmit power between the precoder and the authentication tag. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: December 13, 2021

2021 journal article

RL-Based Waveform Adaptation With Partial Overlapping Tones in HetNets

IEEE COMMUNICATIONS LETTERS, 25(9), 3129–3133.

By: M. Deshmukh n, A. Sahin* & I. Guvenc n

author keywords: Interference; Shape; Signal to noise ratio; Resource management; Indexes; Heuristic algorithms; Base stations; HetNets; partial overlapping; Q-learning
TL;DR: This letter proposes a multi-agent Q-learning-based approach to obtain transmit power and intentional FOs assigned to SCs for filtered multi-tones with various pulse shapes and shows that the proposed method reduces the total interference and in turn, increases the throughput in the network. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: September 20, 2021

2021 article

Secure 5G Network for a Nationwide Drone Corridor

2021 IEEE AEROSPACE CONFERENCE (AEROCONF 2021).

By: A. Bhuyan*, I. Guvenc n, H. Dai n, M. Sichitiu n, S. Singh n, A. Rahmati n, S. Maeng n

TL;DR: This paper presents research findings in the following areas critical to validating the effectiveness of providing required 5G access to the drones with security, reliability, and spectral efficiency and plans for future research to provide further scientific basis for the proposed cellular drone network. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: September 13, 2021

2021 article

Semi-supervised Learning Framework for UAV Detection

2021 IEEE 32ND ANNUAL INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS (PIMRC).

By: O. Medaiyese*, M. Ezuma n, A. Lauf* & I. Guvenc n

author keywords: local outlier factor; wavelet packet transform; UAV; RF fingerprinting; detection
TL;DR: A local outlier factor model is developed as the UAV detection algorithm using the coefficient variances of the wavelet packets from WiFi and Bluetooth signals and can be extended to the detection of rogue RF devices in an environment. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: May 23, 2022

2021 journal article

Slow Beam Steering and NOMA for Indoor Multi-User Visible Light Communications

IEEE TRANSACTIONS ON MOBILE COMPUTING, 20(4), 1627–1641.

By: Y. Eroglu n, C. Anjinappa n, I. Guvenc n & N. Pala*

author keywords: NOMA; Light emitting diodes; Beam steering; Laser beams; Lenses; Resource management; Optimization; Beam steering; Li-Fi; micro-electro-mechanical systems (MEMS); NOMA; optical wireless communications (OWC)
TL;DR: This paper finds the steering angles that simultaneously serve multiple users within the frame duration and maximize the data rates by solving a non-convex optimization problem using a grid-based search and majorization-minimization procedure. (via Semantic Scholar)
Sources: ORCID, Web Of Science
Added: March 5, 2021

2021 article

Sub-Terahertz and mmWave Penetration Loss Measurements for Indoor Environments

2021 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS WORKSHOPS (ICC WORKSHOPS).

By: K. Du n, O. Ozdemir n, F. Erden n & I. Guvenc n

author keywords: Attenuation; channel sounding; millimeter wave (mmWave); NLOS; penetration loss; sub-terahertz
TL;DR: This work measured the penetration loss and the attenuation of several common constructional materials at mmWave (28 and 39 GHz) and sub-THz (120 and 144 GHz) bands and found that the penetration lost and attenuation increased with frequency for all the tested materials. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: October 24, 2022

2021 article

Use of LoRa for UAV Remote ID with Multi-User Interference and Different Spreading Factors

2021 IEEE 93RD VEHICULAR TECHNOLOGY CONFERENCE (VTC2021-SPRING).

By: O. Mujumdar n, H. Celebi n, I. Guvenc n, M. Saichitiu, S. Hwang* & K. Kang*

author keywords: Drone; FAA; multi-user interference; LoRa; raytracing; remote ID; spreading factor; UAS; UAV
TL;DR: Preliminary results based on ray tracing and MATLAB simulations that evaluate the reliability and range of LoRa for UAS remote ID scenarios and quantify the performance gains that may be obtained under different interference conditions are provided. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: September 20, 2021

2020 journal article

3-D Trajectory Optimization in UAV-Assisted Cellular Networks Considering Antenna Radiation Pattern and Backhaul Constraint

IEEE Transactions on Aerospace and Electronic Systems, 56(5), 3735–3750.

By: M. Chowdhury n, S. Maeng n, E. Bulut* & I. Guvenc n

author keywords: Three-dimensional displays; Antenna radiation patterns; Trajectory; Cellular networks; Interference; Relays; Unmanned aerial vehicles; Antenna radiation; backhaul; dynamic programming (DP); trajectory; unmanned aerial vehicle (UAV)
TL;DR: It is shown that the 3-D optimal paths can introduce significant network performance gain over the trajectories with fixed UAV heights, and be used to improve the cellular connectivity of ground users by acting as a relay. (via Semantic Scholar)
Source: ORCID
Added: October 13, 2020

2020 journal article

Advanced Wireless for Unmanned Aerial Systems: 5G Standardization, Research Challenges, and AERPAW Architecture

IEEE Vehicular Technology Magazine, 15(2), 22–30.

By: V. Marojevic*, I. Guvenc n, R. Dutta n, M. Sichitiu n & B. Floyd n

Contributors: V. Marojevic*, I. Guvenc n, R. Dutta n, M. Sichitiu n & B. Floyd n

author keywords: 5G mobile communication; Wireless communication; Software; Long Term Evolution; 3GPP; Three-dimensional displays
TL;DR: This article discusses relevant standardization efforts for the integration of unmanned aerial systems (UASs) into 5G and the requirements for an aerial wireless testbed and introduces the aerial experimentation and research platform for advanced wireless (AERPAW). (via Semantic Scholar)
UN Sustainable Development Goal Categories
9. Industry, Innovation and Infrastructure (OpenAlex)
Source: ORCID
Added: April 9, 2020

2020 article

Communication Support for Unmanned Air Transportation

Namuduri, K., Fiebig, U.-C., Hari, K. V. S., Matolak, D. W., Guvenc, I., & Maattanen, H.-L. (2020, June). IEEE VEHICULAR TECHNOLOGY MAGAZINE, Vol. 15, pp. 20–21.

By: K. Namuduri*, U. Fiebig, K. Hari*, D. Matolak*, I. Guvenc n & H. Maattanen*

TL;DR: A systematic view of the state of the art for RoC and its deployment challenges is provided and a nonconfigurable distributed antenna unit with a related resource mapping scheme and non configurable air-to-cable to achieve higher throughput and low power consumption for large-scale deployments is proposed. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: June 22, 2020

2020 journal article

Correction of Channel Sounding Clock Drift and Antenna Rotation Effects for mmWave Angular Profile Measurements

IEEE OPEN JOURNAL OF ANTENNAS AND PROPAGATION, 1, 71–87.

By: F. Erden n, O. Ozdemir n, W. Khawaja n & I. Guvenc n

author keywords: 28 GHz; channel sounding; clock drift; Hungarian algorithm; millimeter-wave (mmWave); multipath component (MPC)
TL;DR: This paper proposes an algorithm to correct the clock drift and MPC delay errors due to the rotation of the antennas and compares the MPCs from the SICL measurement and the corrected SECL measurements using a Hungarian algorithm based MPC matching method. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: ORCID, Web Of Science
Added: November 24, 2019

2020 journal article

Coverage Enhancement for NLOS mmWave Links Using Passive Reflectors

IEEE OPEN JOURNAL OF THE COMMUNICATIONS SOCIETY, 1, 263–281.

By: W. Khawaja*, O. Ozdemir n, Y. Yapici n, F. Erden n & I. Guvenc n

author keywords: Coverage; indoor; mmWave; non-line-of-sight (NLOS); outdoor; PXI; ray tracing (RT); reflector
TL;DR: This work provides an analytical model for the end-to-end received power in an NLOS scenario using reflectors of different shapes and sizes and shows that the reflected received power for the NLOS link is the same as line-of-sight (LOS) free space received power of the same link distance. (via Semantic Scholar)
Sources: ORCID, Web Of Science
Added: November 24, 2019

2020 journal article

Detection and Classification of UAVs Using RF Fingerprints in the Presence of Wi-Fi and Bluetooth Interference

IEEE OPEN JOURNAL OF THE COMMUNICATIONS SOCIETY, 1, 60–76.

By: M. Ezuma n, F. Erden n, C. Anjinappa n, O. Ozdemir n & I. Guvenc n

author keywords: Interference; machine learning; Markov models; RF fingerprinting; unmanned aerial vehicles (UAVs); UAV detection and classification
TL;DR: This paper investigates the problem of detection and classification of unmanned aerial vehicles (UAVs) in the presence of wireless interference signals using a passive radio frequency (RF) surveillance system and investigates the performance of the NCA and five different ML classifiers for 15 different types of UAV controllers. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: ORCID, Web Of Science
Added: January 2, 2020

2020 journal article

Energy Harvesting in Unmanned Aerial Vehicle Networks With 3D Antenna Radiation Patterns

IEEE Transactions on Green Communications and Networking, 4(4), 1149–1164.

By: E. Turgut*, M. Gursoy* & I. Guvenc n

author keywords: Unmanned aerial vehicles (UAVs); energy harvesting; energy coverage probability; Poisson point processes; Poisson cluster processes; Thomas cluster processes; 3D antenna radiation patterns; stochastic geometry
TL;DR: Through numerical results, it is shown that cluster size and UAV height play crucial roles on the energy coverage performance, and energy coverage probability is significantly affected by the antenna orientation and number of UAVs in the network. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: November 20, 2020

2020 article

Energy- vs Spectral-Efficiency for Energy-Harvesting Hybrid RF/VLC Networks

2020 54TH ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS, AND COMPUTERS, pp. 1152–1156.

By: Y. Yapici* & I. Guvenc n

author keywords: DC bias; energy efficiency; hybrid RF/VLC; multi-objective optimization; spectral efficiency
TL;DR: The energy efficiency of the end-to-end network is considered in enhancing the energy-harvesting performance by choosing the optimal direct current (DC) bias, which is overlooked in the existing literature. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID
Added: September 7, 2021

2020 article

Energy-Efficient Beamforming and Power Control for Uplink NOMA in mmWave UAV Networks

2020 IEEE GLOBAL COMMUNICATIONS CONFERENCE (GLOBECOM).

By: A. Rahmati n, S. Hosseinalipour n, Y. Yapici n, I. Guvenc n, H. Dai n & A. Bhuyan*

TL;DR: This work considers the uplink millimeter-wave (mmWave) transmission between a set of UAVs and a base station (BS) and proposes a solution aided by the Dinkelbach's algorithm and successive convex approximation. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID
Added: October 26, 2021

2020 journal article

Heuristic approach for jointly optimising FeICIC and UAV locations in multi-tier LTE-advanced public safety HetNet

IET COMMUNICATIONS, 14(20), 3585–3598.

author keywords: Long Term Evolution; 3G mobile communication; genetic algorithms; autonomous aerial vehicles; intercell interference; array signal processing; optimisation; search problems; probability; elitist harmony search algorithm; genetic algorithm; CRE network parameters; ICIC techniques; Long Term Evolution-Advanced heterogeneous network; terrestrial network infrastructure; further-enhanced ICIC; joint optimisation; three-dimensional beamforming; fixed hexagonal grid; eHSGA; UABS; GA; unmanned aerial base stations; system-wide 5pSE; fifth percentile spectral efficiency; brute-force technique; intercell interference coordination; AG-HetNet; three-tier LTE-Advanced air-ground HetNet; user equipment; system-level understanding; emerging services; wireless connectivity; UAV-enabled communications; unmanned aerial vehicles; multitier LTE-advanced public safety HetNet; UAV locations; heuristic approach; network performance; 3GPP Rel-11; FeICIC; three-tier hierarchical structuring; heuristic algorithms; coverage probability; peak values
TL;DR: This paper integrates UAVs both as user equipment and base stations into existing LTE-Advanced heterogeneous network (HetNet) and provides system-level insights of this three-tier LTE- advanced air-ground HetNet (AG-Het net), which leverages cell range expansion (CRE), ICIC, 3D beamforming, and enhanced support for UAV's. (via Semantic Scholar)
UN Sustainable Development Goal Categories
9. Industry, Innovation and Infrastructure (OpenAlex)
Sources: Web Of Science, ORCID
Added: February 1, 2021

2020 journal article

Hybrid Precoding for mmWave Massive MIMO With One-Bit DAC

IEEE Communications Letters, 1–1.

By: S. Maeng n, Y. Yapici n, I. Guvenc n, H. Dai n & A. Bhuyan*

author keywords: Radio frequency; Quantization (signal); Baseband; MIMO communication; Array signal processing; Distortion; Covariance matrices; 5G; hybrid precoding; massive MIMO; mmWave communications; one-bit DAC
TL;DR: This work considers the design of hybrid precoders for massive multiple-input multiple-output (MIMO) channels in millimeter-wave (mmWave) spectrum along with one-bit digital-to-analog converters (DACs) and finite-quantized phase shifters and proposes an alternating-optimization-based precoder design which recursively computes the covariance of the quantization distortion, and updates the precoder accordingly. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: December 10, 2020

2020 journal article

Low-Resolution Limited-Feedback NOMA for mmWave Communications

IEEE Transactions on Wireless Communications, 19(8), 5433–5446.

By: Y. Yapici n, I. Guvenc n & H. Dai n

author keywords: NOMA; Decoding; Signal to noise ratio; Wireless communication; Downlink; Array signal processing; Encoding; Low-resolution limited-feedback; millimeter-wave (mmWave) communications; multiuser communications; non-orthogonal multiple access (NOMA)
TL;DR: The numerical results verify that the proposed strategy outperforms one-bit NOMA schemes with either angle- or distance-only feedback, and has a very close outage sum-rate performance to that for the optimal full-resolution feedback. (via Semantic Scholar)
Source: ORCID
Added: August 12, 2020

2020 journal article

Methodology for Benchmarking Radio-Frequency Channel Sounders Through a System Model

IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, 19(10), 6504–6519.

By: C. Gentile*, A. Molisch*, J. Chuang*, D. Michelson*, A. Bodi*, A. Bhardwaj*, O. Ozdemir n, W. Khawaja n ...

author keywords: Antenna measurements; Calibration; Wireless communication; Standards; Benchmark testing; Antenna arrays; Channel models; Antenna; measurement; propagation; cross-validation; millimeter-wave; mmWave
TL;DR: This paper proposes an alternative methodology – which is both practical and reliable – based on a mathematical system model to represent the channel sounder that is applied to a ground-truth channel response that is identical for all systems. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: November 2, 2020

2020 journal article

Multilinear Singular Value Decomposition for Millimeter Wave Channel Parameter Estimation

IEEE ACCESS, 8, 75592–75606.

By: M. Ruble n & I. Guvenc n

author keywords: Channel estimation; Tensile stress; OFDM; Parameter estimation; MIMO communication; Receivers; Singular value decomposition; AOA; AOD; channel estimation; MSVD; massive MIMO; mmWave; OFDM; SVD; tensor estimation
TL;DR: The MSVD tensor estimation approach is more computationally efficient than methods such as the canonical polyadic decomposition (CPD), a Tucker form tensor analog of the singular value decomposition, for massive multiple input multiple output (MIMO) multi-carrier systems with hybrid beamforming. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID
Added: May 26, 2020

2020 journal article

Multiple ray received power modelling for mmWave indoor and outdoor scenarios

IET MICROWAVES ANTENNAS & PROPAGATION, 14(14), 1825–1836.

By: W. Khawaja n, O. Ozdemir n, F. Erden n, E. Ozturk n & I. Guvenc n

author keywords: indoor radio; array signal processing; ray tracing; millimetre wave propagation; directive antennas; 5G mobile communication; millimetre wave antennas; multipath channels; mmWave indoor scenarios; millimetre-wave frequency bands; fifth generation networks; mmWave frequencies; high gain antennas; beamforming mechanisms; mmWave end-to-end propagation; individual ray sources; radiation patterns; outdoor open area; dominant rays; radiation pattern; path loss; multipath components; indoor corridor scenarios; lower gain antennas; multiple ray received power modelling; mmWave outdoor scenarios
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Sources: Web Of Science, ORCID
Added: December 21, 2020

2020 journal article

Off-Grid Aware Channel and Covariance Estimation in mmWave Networks

IEEE Transactions on Communications, 68(6), 3908–3921.

By: C. Anjinappa n, A. Gurbuz*, Y. Yapici n & I. Guvenc n

author keywords: Channel estimation; Estimation; Covariance matrices; MIMO communication; Matching pursuit algorithms; Radio frequency; Compressed sensing; 5G; basis mismatch; channel estimation; compressed sensing; covariance estimation; MIMO; off-grid; parameter perturbed; sparse channel estimation
TL;DR: A novel parameter-perturbation framework to efficiently estimate the channel and the covariance for mmWave networks and shows a significant performance improvement through a result of handling the off-grid effects, which is totally ignored in the conventional sparse mmWave channel or covariance estimation algorithms. (via Semantic Scholar)
Source: ORCID
Added: June 17, 2020

2020 article

Traffic Shifting based Resource Optimization in Aggregated IoT Communication

PROCEEDINGS OF THE 2020 IEEE 45TH CONFERENCE ON LOCAL COMPUTER NETWORKS (LCN 2020), pp. 233–243.

By: A. Chapnevis*, I. Guvenc n & E. Bulut*

author keywords: 5G; cellular network; clustering; core network; Internet of Things (IoT); machine type communications (MTC)
TL;DR: This paper aims to increase savings in cellular resources by shifting (delaying or performing earlier) the regular traffic patterns of IoT devices slightly, and develops a heuristic based solution that runs in polynomial time. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: August 2, 2021

2020 journal article

Ultra-Wideband Air-to-Ground Propagation Channel Characterization in an Open Area

IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS, 56(6), 4533–4555.

By: W. Khawaja n, O. Ozdemir n, F. Erden n, I. Guvenc n & D. Matolak*

author keywords: Antenna measurements; Receiving antennas; Ultra wideband antennas; Antenna radiation patterns; Loss measurement; Area measurement; Air-to-ground&#160; (AG); channel model; drone; multipath channel; path loss; propagation measurements; ultra-wideband&#160; (UWB); unmanned-aerial-vehicle&#160; (UAV)
TL;DR: The Saleh–Valenzuela model was found to provide a good fit for the statistical channel model and an analytical path loss model based on antenna gains in the elevation plane is provided for unobstructed UAV hovering and moving (in a circular path) propagation scenarios. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: January 4, 2021

2020 journal article

Wideband Air-to-Ground Channel Characterization for Multiple Propagation Environments

IEEE Antennas and Wireless Propagation Letters, 19(9), 1634–1638.

author keywords: Delays; Antenna measurements; Rician channels; Sea measurements; Unmanned aerial vehicles; Frequency measurement; Wideband; Air-to-ground (AG); channel characterization; channel measurements; delay spread; multipath; unmanned aerial vehicle (UAV); ultrawideband (UWB)
UN Sustainable Development Goal Categories
Source: ORCID
Added: September 6, 2020

2019 journal article

A Survey of Air-to-Ground Propagation Channel Modeling for Unmanned Aerial Vehicles

IEEE Communications Surveys & Tutorials, 21(3), 2361–2391.

By: W. Khawaja n, I. Guvenc n, D. Matolak*, U. Fiebig* & N. Schneckenburger*

author keywords: Air-to-ground (AG); channel measurement; channel modeling; drone; large and small scale fading; sounding; unmanned aerial vehicle (UAV)
TL;DR: A comprehensive survey is provided on available AG channel measurement campaigns, large and small scale fading channel models, their limitations, and future research directions for UAV communication scenarios. (via Semantic Scholar)
UN Sustainable Development Goal Categories
9. Industry, Innovation and Infrastructure (OpenAlex)
Source: ORCID
Added: August 23, 2019

2019 journal article

Angle Feedback for NOMA Transmission in mmWave Drone Networks

IEEE Journal of Selected Topics in Signal Processing, 13(3), 628–643.

By: N. Rupasinghe n, Y. Yapici n, I. Guvenc n, M. Ghosh & Y. Kakishima

author keywords: 5G; drone; HPPP; mmWave; non-orthogonal multiple access (NOMA); stadium; UAV
TL;DR: It is shown that as the user region for NOMA transmission gets wider, the users become more distinctive at the transmitter side with respect to their angles, making user angle feedback a better alternative than distance feedback in such scenarios. (via Semantic Scholar)
Source: ORCID
Added: May 23, 2019

2019 article

Guest Editorial Special Issue on Unmanned Aerial Vehicles Over Internet of Things

Bai, L., Guvenc, I., Yu, Q., & Zhang, W. (2019, April). IEEE INTERNET OF THINGS JOURNAL, Vol. 6, pp. 1636–1639.

By: L. Bai*, I. Guvenc n, Q. Yu* & W. Zhang*

TL;DR: Using the Internet of Things (IoT) technologies, a UAV can be regarded as a terminal device connected in the ubiquitous network, where many other UAVs are communicated, navigated, controlled, and surveilled in real time and beyond line-of-sight. (via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID
Added: May 28, 2019

2019 article

INTEGRATING UAVS INTO 5G AND BEYOND

Zeng, Y., Debbah, M., Gesbert, D., Guvenc, I., Jin, S., & Xu, J. (2019, February). IEEE WIRELESS COMMUNICATIONS, Vol. 26, pp. 10–11.

By: Y. Zeng*, M. Debbah, D. Gesbert*, I. Guvenc*, S. Jin* & J. Xu*

UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: April 20, 2020

2019 journal article

Impact of Random Receiver Orientation on Visible Light Communications Channel

IEEE TRANSACTIONS ON COMMUNICATIONS, 67(2), 1313–1325.

By: Y. Eroglu n, Y. Yapici n & I. Guvenc n

author keywords: Light-emitting diodes; light-fidelity (Li-Fi); probability; random variables; optical communication
TL;DR: An analytical framework is developed to characterize the statistical distribution of VLC downlink channels, which is then utilized to obtain the outage probability and the bit error rate, and the channel attenuation due to random receiver orientation and location for various scenarios of interest. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: March 4, 2019

2019 journal article

Interference Management in UAV-Assisted Integrated Access and Backhaul Cellular Networks

IEEE ACCESS, 7, 104553–104566.

By: A. Fouda*, A. Ibrahim*, I. Guvenc n & M. Ghosh*

author keywords: 3D localization; downlink; drone; drone antenna array (DAA); in-band; integrated access and backhaul (IAB); optimization; UAV
TL;DR: The flying capabilities of unmanned aerial vehicles (UAVs) as hovering IAB-nodes are leveraged and an interference management algorithm is proposed to maximize the overall sum rate of the IAB network and reveal that UAVs can not only be used for coverage improvement but also for capacity boosting in the I AB cellular networks. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: September 3, 2019

2019 journal article

Joint Frame Synchronization and Channel Estimation: Sparse Recovery Approach and USRP Implementation

IEEE ACCESS, 7, 39041–39053.

author keywords: Equalization; frame synchronization; large delay spread; MSE; OMP; software defined radio (SDR); sparse channel estimation; sparse recovery; USRP; vehicular communications
TL;DR: This paper proposes several JFSCE methods using popular sparse signal recovery algorithms which exploit the sparsity of the combined channel vector and the sparse channel vector estimate is used to design a sparse equalizer. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: April 22, 2019

2019 journal article

NOMA for VLC Downlink Transmission With Random Receiver Orientation

IEEE Transactions on Communications, 67(8), 5558–5573.

By: Y. Yapici n & I. Guvenc n

author keywords: Non-orthogonal multiple access (NOMA); visible light communications (VLC); random receiver orientation; limited feedback; sum rates; outage probability
TL;DR: A downlink multiuser VLC network where users randomly change their location and vertical orientation is considered, and the non-orthogonal multiple access (NOMA) transmission to serve multiple users simultaneously is considered to increase the spectral efficiency. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: ORCID
Added: August 16, 2019

2019 journal article

Non-Orthogonal Multiple Access for mmWave Drone Networks With Limited Feedback

IEEE TRANSACTIONS ON COMMUNICATIONS, 67(1), 762–777.

By: N. Rupasinghe n, Y. Yapici n, I. Guvenc n & Y. Kakishima

author keywords: 5G; drone; HPPP; mmWave; non-orthogonal multiple access (NOMA); stadium; UAV
TL;DR: A comprehensive framework over which outage probabilities and respective sum rates are derived rigorously are developed and investigated and the optimal operational altitude of UAV-BS is investigated to maximize the sum rates using the analytical framework. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (OpenAlex)
Sources: Web Of Science, ORCID
Added: February 18, 2019

2019 article

Privacy Preserving Distributed Matching for Device-to-Device IoT Communications

PROCEEDINGS OF THE 2019 CONFERENCE ON SECURITY AND PRIVACY IN WIRELESS AND MOBILE NETWORKS (WISEC '19), pp. 316–317.

By: E. Bulut*, I. Guvenc n & K. Akkaya*

author keywords: Internet-of-Things (IoT); device-to-device (D2D) communication; matching theory; privacy
TL;DR: This study looks at the problem of assigning D2D communicating IoT pairs to the IoT devices that are directly connected to the base station such that the overall system throughput is not only maximized but also a stable matching is obtained. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: August 19, 2019

2018 journal article

A MAP-Based Layered Detection Algorithm and Outage Analysis Over MIMO Channels

IEEE Transactions on Wireless Communications, 17(7), 4256–4269.

By: Y. Yapici n, I. Guvenc n & Y. Kakishima

author keywords: 5G; M-BLAST; MAP; massive MIMO; mm-wave systems; outage probability; Rician fading; successive interference cancellation; V-BLAST
TL;DR: A rigorous analytical framework is proposed to analyze the outage behavior of the M-BLAST algorithm over binary complex alphabets and two transmitting antennas, which has a potential to be generalized to multiple transmitting antennas and multidimensional constellation sets. (via Semantic Scholar)
Source: ORCID
Added: April 13, 2019

2018 journal article

A Software-Defined Multi-Element VLC Architecture

IEEE COMMUNICATIONS MAGAZINE, 56(2), 196–203.

By: S. Mushfique, P. Palathingal*, Y. Eroglu*, M. Yuksel, I. Guvenc n & N. Pala*

TL;DR: Simulations considering various VLC transmitter configurations and topologies show that good link quality and high spatial reuse can be maintained in typical indoor communication scenarios. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID
Added: August 6, 2018

2018 journal article

A Survey on Low Latency Towards 5G: RAN, Core Network and Caching Solutions

IEEE COMMUNICATIONS SURVEYS AND TUTORIALS, 20(4), 3098–3130.

By: I. Parvez*, A. Rahmati n, I. Guvenc n, A. Sarwat* & H. Dai n

author keywords: 5G; cloud; caching; haptic communications; latency; massive connectivity; real-time communication; SDN; tactile Internet; ultra-high reliability; ultra-low latency
TL;DR: This paper presents a detailed survey on the emerging technologies to achieve low latency communications considering three different solution domains: 1) RAN; 2) core network; and 3) caching. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID
Added: December 10, 2018

2018 journal article

Autonomous Tracking of Intermittent RF Source Using a UAV Swarm

IEEE ACCESS, 6, 15884–15897.

By: F. Koohifar n, I. Guvenc n & M. Sichitiu n

author keywords: Cramer Rao lower bound; drone; Fisher information; intermittent transmitter; jammer; localization; steepest descent; tracking; UAV
TL;DR: The localization of a radio-frequency transmitter with intermittent transmissions is considered via a group of unmanned aerial vehicles (UAVs) equipped with omnidirectional received signal strength sensors, and the steepest descent path planning outperforms the bioinspired path planning by an order of magnitude. (via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID
Added: August 6, 2018

2018 journal article

Efficient Noise Variance Estimation Under Pilot Contamination for Massive MIMO Systems

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, 67(4), 2982–2996.

By: J. Iscar*, I. Guvenc n, S. Dikmese n & N. Rupasinghe n

author keywords: 5G; CRLB; massive MIMO; maximum likelihood; method of moments; MMSE channel estimation; noise variance estimation; pilot contamination
TL;DR: A novel maximum likelihood estimator for the noise variance at the receiver of massive MIMO systems considering practical impairments such as pilot contamination is derived and used to compute the minimum mean square error estimate of the channel. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: August 6, 2018

2018 journal article

Exploiting LTE-advanced HetNets and FeICIC for UAV-assisted public safety Communications

IEEE Access, 6.

By: A. Kumbhar, I. Guvenc, S. Singh & A. Tuncer

Source: NC State University Libraries
Added: August 6, 2018

2018 journal article

Hybrid evolutionary search method for complex function optimisation problems

ELECTRONICS LETTERS, 54(24), 1377–1378.

By: H. Binol*, I. Guvenc n, E. Bulut* & K. Akkaya*

author keywords: genetic algorithms; search problems; estimation theory; hybrid evolutionary search method; complex function optimisation problems; harmony search technique; genetic algorithm; GA; HS direction estimation mechanism; genetic operators; HS algorithm; local optimum solutions; elitism; crossover; benchmark functions; hybridisation approach; mutation
TL;DR: H harmony search technique hybridised with genetic algorithm (GA) is proposed, which mainly takes HS direction estimation mechanism and genetic operators in GA, which significantly increase the convergence of the HS algorithm. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: December 17, 2018

2018 journal article

Impact of Angular Spread in Moderately Large MIMO Systems Under Pilot Contamination

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, 67(11), 10631–10644.

By: N. Rupasinghe n, Y. Yapici n, J. Iscar* & I. Guvenc n

author keywords: Eigen-beamforming (EBF); moderately large multi-input multi-output (MIMO); pilot contamination; regularized zero-forcing (RZF); uniform linear array (ULA)
TL;DR: This paper derives an exact analytical expression for achievable rates in multicell MIMO systems under pilot contamination, and characterize the relation between the AS, array size, and respective user rates. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: December 3, 2018

2018 journal article

Incentivizing spectrum sharing via subsidy regulations for future wireless networks

Computer Networks, 135, 132–146.

By: A. Merwaday*, M. Yuksel*, T. Quint*, I. Güvenç n, W. Saad* & N. Kapucu*

author keywords: Noncooperative game; Multi-tenant wireless networks; Perfect Nash equilibrium; Public safety; Spectrum sharing; Subsidy markets
TL;DR: Numerical results show that through subsidization, the government can provide small service providers a fair chance to compete with the large providers, thereby avoiding monopolization in the market. (via Semantic Scholar)
Sources: Crossref, ORCID
Added: January 25, 2020

2018 journal article

Multi-Element VLC Networks: LED Assignment, Power Control, and Optimum Combining

IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, 36(1), 121–135.

author keywords: Combining receivers; free space optics (FSO); optical wireless communications (OWC); space division multiple access (SDMA)
TL;DR: LEDs are grouped and assigned to the users based on received signal strength from each LED, for which different solutions are proposed to achieve maximum throughput, proportional fairness, and quality of service. (via Semantic Scholar)
UN Sustainable Development Goal Categories
9. Industry, Innovation and Infrastructure (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID
Added: August 6, 2018

2018 journal article

Occupancy Counting With Burst and Intermittent Signals in Smart Buildings

IEEE INTERNET OF THINGS JOURNAL, 5(2), 724–735.

author keywords: Indoor localization; Internet of Things (IoT); Kalman filter; occupancy counting; probe request; smart building; smart city; tracking; unscented Kalman filter (UKF); Wi-Fi
TL;DR: The numerical results show that the use of Wi-Fi probe requests in conjunction with IMM-based Kalman filters can be a viable solution for zone-level occupancy monitoring in smart buildings. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID
Added: August 6, 2018

2018 journal article

UWB channel measurements and modelling for hurricanes

IET MICROWAVES ANTENNAS & PROPAGATION, 12(10), 1691–1699.

By: W. Khawaja n, I. Guvenc n & A. Chowdhury*

author keywords: ultra wideband communication; wireless channels; radiotelemetry; storms; time-domain analysis; data analysis; statistical analysis; radiowave propagation; multipath channels; UWB channel measurement; public safety operation; channel propagation; hurricane condition; ultrawideband channel measurement; Florida International University; time-domain P410 radio; empirical data analysis; UWB statistical broadband channel model; large-scale UWB propagation parameter; small-scale UWB propagation parameter; line-of-sight link; LOS link; nonline-of-sight link; NLOS link; wind driven rain; WDR; link obstruction
TL;DR: The authors characterise the effects of rain and wind speed on large-scale and small-scale UWB propagation parameters considering both line-of-sight (LOS) and non-LOS (NLOS) links and developed an UWB statistical broadband channel model for hurricanes. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: October 19, 2018

2018 journal article

Wireless localization for mmWave networks in urban environments

EURASIP Journal on Advances in Signal Processing.

By: M. Ruble & I. Guvenc

Source: NC State University Libraries
Added: August 6, 2018

2017 journal article

A Survey on Legacy and Emerging Technologies for Public Safety Communications

IEEE COMMUNICATIONS SURVEYS AND TUTORIALS, 19(1), 97–124.

By: A. Kumbhar*, F. Koohifar*, I. Guvenc* & B. Mueller*

author keywords: APCO-25; FirstNet; heterogeneous networks; LMRS-LTE convergence; mission-critical push-to-talk; P-25; public safety communications; software-defined radio (SDR); TETRA; unmanned aerial vehicle (UAV); 3GPP; 5G
TL;DR: A comparative survey of legacy and the LTE-based public safety networks is presented, and the LMRS-LTE convergence as well as mission-critical push-to-talk over LTE is discussed. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: August 6, 2018

2017 journal article

Analysis of Handover Failures in Heterogeneous Networks With Fading

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, 66(7), 6060–6074.

By: K. Vasudeva*, M. Simsek*, D. Lopez-Perez & I. Guvenc n

author keywords: Bertrand's Paradox; handover; heterogeneous network (HetNet); long-term evolution (LTE); mobility management radio link failure; Third-Generation Partnership Project (3GPP); time to trigger (TTT)
TL;DR: A new model for analyzing handover performance in heterogeneous networks (HetNets) as a function of vehicular user velocity, cell size, and mobility management parameters is introduced and it is shown that fading can significantly degrade the hand over performance in HetNet with vehicular users. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: August 6, 2018

2017 journal article

Distributed Learning for Energy-Efficient Resource Management in Self-Organizing Heterogeneous Networks

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, 66(10), 9287–9303.

author keywords: Co-channel interference; energy efficiency; heterogeneous networks; learning algorithm
TL;DR: Simulation results show that the proposed mechanism, which is based on the second proposed channel allocation algorithm and combined with the <sc>on–off</sc> switching scheme, balances load among BSs. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID
Added: August 6, 2018

2017 conference paper

Flexible filter bank based spectrum sensing and waveform processing for mission critical communications

Milcom 2017 - 2017 ieee military communications conference (milcom), 174–179.

By: S. Dikmese, M. Renfors & I. Guvenc

Source: NC State University Libraries
Added: August 6, 2018

2017 journal article

Fuzzy-Based Game Theoretic Mobility Management for Energy Efficient Operation in HetNets

IEEE ACCESS, 5, 7542–7552.

By: K. Vasudeva*, S. Dikmese n, I. Guven n, A. Mehbodniya*, W. Saad* & F. Adachi*

author keywords: Energy efficiency; fuzzy logic; game theory; heterogeneous networks; sleep mode; ON/OFF operation; small cells; spectral efficiency
TL;DR: F fuzzy inference rules for handover decisions are designed, and target base station selection is performed through a fuzzy ranking technique, while simultaneously considering both energy/spectral efficiency and signaling overhead, and results show that energy consumption can be improved considerably especially for high user velocities, while also managing ping-pong handovers. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID
Added: August 6, 2018

2017 conference paper

Localization of WiFi devices using probe requests captured at unmanned aerial vehicles

2017 ieee wireless communications and networking conference (wcnc).

By: V. Acuna*, A. Kumbhar*, E. Vattapparamban*, F. Rajabli* & I. Guvenc n

TL;DR: This paper makes use of the continuously broadcasted WiFi probe requests from mobile devices, capture them at different locations at a WiFi sniffer carried by a UAV, and subsequently estimate the user's location using random-forest based machine learning technique. (via Semantic Scholar)
Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2017 conference paper

Optimal angular spread of the multipath clusters in mmWave systems under pilot contamination

2017 ieee 86th vehicular technology conference (vtc-fall).

By: J. Iscar*, I. Guvenc, S. Dikmese n & A. Ibrahim*

TL;DR: This work studies the relation between the AS and the capacity of a cellular network and shows that there exists an optimal AS that maximizes the capacity, and argues that the system capacity can be maximized by proper selection of the carrier frequency. (via Semantic Scholar)
Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2017 journal article

Receding Horizon Multi-UAV Cooperative Tracking of Moving RF Source

IEEE COMMUNICATIONS LETTERS, 21(6), 1433–1436.

By: F. Koohifar*, A. Kumbhar n & I. Guvenc*

author keywords: Critical infrastructure; cooperative localization; drone; receding horizon; received signal strength; UAV
TL;DR: In this letter, a receding horizon path planning algorithm is introduced for unmanned aerial vehicle swarms to cooperatively localize a moving radio frequency transmitter using a model to predict the Fisher information matrix. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: August 6, 2018

2017 article

UAV Assisted Public Safety Communications with LTE-Advanced HetNets and FeICIC

2017 IEEE 28TH ANNUAL INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR, AND MOBILE RADIO COMMUNICATIONS (PIMRC).

By: A. Kumbhar*, S. Singh n & I. Guvenc n

author keywords: Cell range expansion; drone; eICIC; FeICIC; FirstNet; genetic algorithm; interference coordination; public safety; quadcopter; unmanned aerial base station
TL;DR: The role of agile UABSs in LTE-Advanced HetNets is explored by applying 3GPP Release-11 further-enhanced inter-cell interference coordination (Fe-ICIC) and cell range expansion (CRE) techniques and it is shown that at optimized UABS locations, the3GPP release-11 FeICIC with reduced power subframes can provide considerably better 5th percentile SE than the 3G PP Release-10 with almost blank subframes. (via Semantic Scholar)
UN Sustainable Development Goal Categories
9. Industry, Innovation and Infrastructure (OpenAlex)
Sources: Web Of Science, ORCID
Added: August 6, 2018

2017 conference paper

UAV air-to-ground channel characterization for mmWave systems

2017 ieee 86th vehicular technology conference (vtc-fall).

By: W. Khawaja n, O. Ozdemir n & I. Guvenc n

TL;DR: The characterization of mmWave air-to-ground (AG) channels for unmanned aerial vehicle (UAV) communications is studied and details of a universal serial radio peripheral (USRP) based channel sounder that can be used for AG channel measurements for mmWave (60 GHz) UAV communications are presented. (via Semantic Scholar)
Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2017 conference paper

UWB radar based beyond wall sensing and tracking for ambient assisted living

2017 14th ieee annual consumer communications & networking conference (ccnc), 142–147.

By: W. Khawaja, F. Koohifar & I. Guvenc

Source: NC State University Libraries
Added: August 6, 2018

2017 conference paper

Ultra-wideband channel modeling for hurricanes

2017 ieee 86th vehicular technology conference (vtc-fall).

By: W. Khawaja n, I. Guvenc n & A. Chowdhury*

TL;DR: From the empirical data analysis in time domain, a UWB statistical broadband channel model for hurricanes is developed and the effects of rain and wind speed on large scale and small scale UWB propagation parameters are characterized. (via Semantic Scholar)
Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2016 journal article

CBRS spectrum sharing between LTE-U and WiFi: A multiarmed bandit approach

Mobile Information Systems.

By: I. Parvez, M. Sriyananda, I. Guvenc, M. Bennis & A. Sarwat

Source: NC State University Libraries
Added: August 6, 2018

2016 journal article

Improved Throughput Coverage in Natural Disasters Unmanned Aerial Base Stations for Public-Safety Communications

IEEE VEHICULAR TECHNOLOGY MAGAZINE, 11(4), 53–60.

By: A. Merwaday, A. Tuncer*, A. Kumbhar* & I. Guvenc n

TL;DR: UAVs can be operated as unmanned aerial BSs (UABSs), which can be deployed rapidly as a part of the heterogeneous-network (HetNet) architecture, however, due to their mobile characteristics, interference management in the network becomes challenging. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (OpenAlex)
Sources: Web Of Science, ORCID
Added: August 6, 2018

2016 journal article

On the Evolution of Wireless Communication Technologies and Spectrum Sharing for Public Safety: Policies and Practice

Risk, Hazards & Crisis in Public Policy, 7(3), 129–145.

By: N. Kapucu, B. Haupt, M. Yuksel, I. Guvenc* & W. Saad

author keywords: wireless communication technology; spectrum sharing; public safety
TL;DR: The evolution of public safety communication system is reviewed and the benefits and challenges of a national system, the policies and regulations affecting wireless communication technologies and spectrum sharing, and the influence of evolving technologies are discussed. (via Semantic Scholar)
Sources: Crossref, ORCID
Added: January 25, 2020

2016 journal article

Optimisation of FeICIC for energy efficiency and spectrum efficiency in LTE-advanced HetNets

Electronics Letters, 52(11), 982–984.

By: A. Merwaday* & I. Güvenç*

TL;DR: Stochastic geometry is used to analyse the energy efficiency (EE) and SE in a two-tier long-term evolution-advanced heterogeneous network (HetNet) and the trade-offs associated between EE and SE of the network are studied. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Crossref, ORCID
Added: January 25, 2020

2016 conference paper

Regret based learning for UAV assisted LTE-U/WiFi public safety networks

2016 ieee global communications conference (globecom).

By: D. Athukoralage*, I. Guvenc n, W. Saad* & M. Bennis*

TL;DR: A regret-based learning (RBL) dynamic duty cycle selection (DDCS) method for filling the transmission gaps in LTE-U UABSs, to ensure a satisfactory throughput for all users. (via Semantic Scholar)
Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2016 conference paper

SDR based indoor localization using ambient WiFi and GSM signals

2017 international conference on computing, networking and communications (icnc), 952–957.

By: V. Nambiar, E. Vattapparamban, A. Yurekli, I. Guvenc, M. Mozaffari & W. Saad

Source: NC State University Libraries
Added: August 6, 2018

2016 conference paper

UWB channel sounding and modeling for UAV air-to-ground propagation channels

2016 ieee global communications conference (globecom).

By: W. Khawaja n, I. Guvenc n & D. Matolak*

TL;DR: Detailed UWB measurements are conducted for various UAV communication scenarios using Time Domain P410 UWB kits and stochastic path loss and multipath channel models are developed to characterize AG UWB propagation channels. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (OpenAlex)
Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2013 journal article

Interference suppression for the LTE uplink

Physical Communication, 9, 23–44.

TL;DR: An interference cancellation receiver that exploits the unique characteristics of single-carrier frequency-division multiple access based systems is proposed and results indicate that proposed methods work particularly well for low overlap ratios compared to interference coordination and no cancellation schemes. (via Semantic Scholar)
Sources: Crossref, ORCID
Added: August 13, 2021

2012 journal article

Fundamental limits and improved algorithms for linear least-squares wireless position estimation

Wireless Communications and Mobile Computing, 12(12), 1037–1052.

By: I. Guvenc*, S. Gezici & Z. Sahinoglu

author keywords: wireless positioning; time-of-arrival (TOA); least-squares (LS) estimation; maximum likelihood (ML); Cramer-Rao lower bound (CRLB)
TL;DR: T theoretical lower bounds on performance of linear least-Squares (LLS) position estimators are obtained, and performance differences between LLS and nonlinear least-squares (NLS) position estimationators are quantified. (via Semantic Scholar)
Sources: Crossref, ORCID
Added: August 13, 2021

2011 journal article

An iterative interference cancellation method for co-channel multicarrier and narrowband systems

Physical Communication, 4(1), 13–25.

By: M. Şahin*, I. Guvenc* & H. Arslan*

author keywords: CDMA; Co-channel interference; Femtocell; NBI; OFDMA; Successive interference cancellation
TL;DR: Through computer simulations, it is shown that the proposed CCI cancellation method has lower complexity compared to joint demodulation, and it yields significant gains in the symbol error rate (SER) performance of both the NB and multicarrier systems. (via Semantic Scholar)
Sources: Crossref, ORCID
Added: September 11, 2020

2008 journal article

Searchback Algorithms for TOA Estimation in Non-coherent Low-rate IR-UWB Systems

Wireless Personal Communications, 48(4), 585–603.

By: I. Guvenc*, Z. Sahinoglu*, P. Orlik* & H. Arslan*

author keywords: Ranging; Non-coherent; Sub-Nyquist sampling; UWB; First path detection; Energy detector
TL;DR: Simulation results show that JBSF typically performs better than SBS if the inter-cluster delay parameter (K) is not selected appropriately for SBS, and even at sampling rates much smaller than the Nyquist rate, ranging accuracies can be obtained using a non-coherent UWB receiver. (via Semantic Scholar)
Sources: Crossref, ORCID
Added: January 21, 2021

2007 journal article

A review on multiple access interference cancellation and avoidance for IR-UWB

Signal Processing, 87(4), 623–653.

By: İ. Güvenç & H. Arslan*

author keywords: multiuser interference cancellation; ML; MMSE; review; tutorial; ultrawideband
TL;DR: A comprehensive review of multiple access interference (MAI) avoidance/cancellation for impulse radio (IR) ultrawideband (UWB) systems is presented, to outline analogies and differences between IR-UWB and DS-CDMA approaches to handle the MAI, and to identify possible research directions. (via Semantic Scholar)
Sources: Crossref, ORCID
Added: August 13, 2021

2007 journal article

Adaptation of two types of processing gains for UWB impulse radio wireless sensor networks

IET Communications, 1(6), 1280.

By: I. Güvenç*, H. Arslan*, S. Gezici* & H. Kobayashi*

TL;DR: An adaptive assignment scheme for two types of multiple- access parameters in cluster-based wireless sensor networks is investigated and a mathematical framework is developed for asynchronous communications using a Gaussian approximation method to model the multiple-access interference. (via Semantic Scholar)
Sources: Crossref, ORCID
Added: September 11, 2020

Employment

Updated: January 31st, 2023 16:15

2016 - present

NC State University Raleigh, NC, US
Professor Electrical and Computer Engineering

2012 - 2016

Florida International University Miami, FL, US
Assistant Professor Electrical and Computer Engineering

Education

Updated: October 13th, 2014 13:56

2003 - 2006

University of South Florida Tampa, FL, US
Ph.D. Electrical Engineering

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