Sung Joon Maeng

Works (20)

Updated: January 6th, 2026 10:45

2025 article

Altitude-Dependent Cellular Spectrum Occupancy: From Measurements to Stochastic Geometry Models

Maeng, S. J., & Güvenç, İ. (2025, May 14). IEEE Internet of Things Journal, Vol. 12, pp. 30268–30281.

By: S. Maeng* & İ. Güvenç n 

author keywords: Autonomous aerial vehicles; Stochastic processes; Geometry; Analytical models; Aggregates; Uplink; Interference; Downlink; Ray tracing; Millimeter wave communication; Autonomous aerial vehicle (AAV); helikite; homogeneous Poisson point process (HPPP); line-of-sight probability (LOS); ray-tracing; software-defined radio; spectrum occupancy; stochastic geometry
topics (OpenAlex): Molecular Communication and Nanonetworks
Sources: Web Of Science, ORCID, NC State University Libraries
Added: May 14, 2025

2025 article

Interference-Asymmetric UAV Remote Control Links: Measurements and Performance Evaluation

Lee, D., Maeng, S. J., Ozdemir, O., Pandian, M. B., & Guvenc, I. (2025, October 6).

By: D. Lee n, S. Maeng*, O. Ozdemir n, M. Pandian* & I. Guvenc n 

topics (OpenAlex): UAV Applications and Optimization; Underwater Vehicles and Communication Systems; Opportunistic and Delay-Tolerant Networks; Wireless Communication Security Techniques; Telecommunications and Broadcasting Technologies
Sources: NC State University Libraries, NC State University Libraries
Added: January 2, 2026

2024 article

3D Spectrum Awareness for Radio Dynamic Zones Using Kriging and Matrix Completion

Rahman, M., Maeng, S. J., Güvenç, İ., & Wong, C.-W. (2024, May 13). 2024 IEEE INTERNATIONAL SYMPOSIUM ON DYNAMIC SPECTRUM ACCESS NETWORKS, DYSPAN 2024, pp. 439–446.

By: M. Rahman n, S. Maeng n, İ. Güvenç n  & C. Wong n 

author keywords: 3D spectrum awareness; AERPAW; interpolation; Kriging; LTE; matrix completion; RDZ; RSRP; shadow fading; spatial correlation
topics (OpenAlex): Sparse and Compressive Sensing Techniques; Antenna Design and Optimization; Advanced Wireless Communication Techniques
Sources: Web Of Science, NC State University Libraries
Added: October 28, 2024

2024 article

Key Observations from Altitude-Dependent Sub-6 GHz Spectrum Measurements at AERPAW

Maeng, S. J., Raouf, A. H. F., Güvenç, İ., Ozdemir, O., Sichitiu, M. L., & Dutta, R. (2024, May 13). 2024 IEEE INTERNATIONAL SYMPOSIUM ON DYNAMIC SPECTRUM ACCESS NETWORKS, DYSPAN 2024, pp. 135–138.

By: S. Maeng n, A. Raouf  n, İ. Güvenç n , O. Ozdemir n, M. Sichitiu n  & R. Dutta n 

author keywords: 4G; 5G; AERPAW; air-to-ground; C-band; LTE; NR; NSA; national spectrum strategy; software-defined radio
topics (OpenAlex): Precipitation Measurement and Analysis; Soil Moisture and Remote Sensing; Electromagnetic Compatibility and Measurements
Sources: Web Of Science, NC State University Libraries
Added: October 28, 2024

2024 article

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

Maeng, S. J., Ozdemir, O., Güvenç, İ., & Sichitiu, M. L. (2024, January 29). IEEE Sensors Journal, Vol. 24, pp. 9044–9058.

By: S. Maeng*, O. Ozdemir n, İ. Güvenç n  & M. Sichitiu n 

author keywords: 3-D spectrum awareness; Aerial Experimentation and Research Platform for Advanced Wireless (AERPAW); antenna radiation pattern; I/Q samples; Kriging interpolation; long-term evolution (LTE); propagation modeling; radio dynamic zones (RDZ); reference signal received power (RSRP); Universal Software Radio Peripheral (USRP); unmanned aerial vehicle (UAV)
topics (OpenAlex): Indoor and Outdoor Localization Technologies; Radio Wave Propagation Studies; Direction-of-Arrival Estimation Techniques
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)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 1, 2024

2023 article

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

Maeng, S. J., Ozdemir, O., Güvenç, İ., Sichitiu, M. L., Dutta, R., & Mushi, M. (2023, March 4). 2023 IEEE AEROSPACE CONFERENCE.

By: S. Maeng n, O. Ozdemir n, İ. Güvenç n , M. Sichitiu n , R. Dutta n  & M. Mushi n

topics (OpenAlex): Millimeter-Wave Propagation and Modeling; UAV Applications and Optimization; Radio Wave Propagation Studies
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)
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Sources: Web Of Science, NC State University Libraries
Added: September 18, 2023

2023 article

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

Maeng, S. J., Park, J., & Guvenç, İ. (2023, August 15). IEEE Transactions on Communications, Vol. 71, pp. 6578–6592.

By: S. Maeng n, J. Park * & İ. Guvenç n 

author keywords: Coexistence; guard zone; HPPP; multiple access; sensing and communication; stochastic geometry; UAV communication; UAV radar detection
topics (OpenAlex): UAV Applications and Optimization; Radar Systems and Signal Processing; Radio Wave Propagation Studies
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)
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9. Industry, Innovation and Infrastructure (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 16, 2023

2023 article

Base Station Antenna Uptilt Optimization for Cellular-Connected Drone Corridors

Maeng, S. J., Chowdhury, M. M. U., Güvenç, İ., Bhuyan, A., & Dai, H. (2023, January 19). IEEE Transactions on Aerospace and Electronic Systems, Vol. 59, pp. 4729–4737.

By: S. Maeng n, M. Chowdhury n , İ. Güvenç 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
topics (OpenAlex): UAV Applications and Optimization; Air Traffic Management and Optimization; Antenna Design and Analysis
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)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 9, 2023

2023 article

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

Raouf, A. H. F., Maeng, S. J., Guvenc, I., Özdemir, Ö., & Sichitiu, M. (2023, September 5). 2023 IEEE 34TH ANNUAL INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS, PIMRC.

By: A. Raouf  n, S. Maeng n, I. Guvenc n , Ö. Özdemir n & M. Sichitiu n 

author keywords: 5G; AERPAW; C-Band; CBRS; drone; helikite; LTE; spectrum monitoring; unmanned aerial vehicles (UAV)
topics (OpenAlex): UAV Applications and Optimization; Advanced MIMO Systems Optimization; Telecommunications and Broadcasting Technologies
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)
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11. Sustainable Cities and Communities (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: January 29, 2024

2023 article

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

Maeng, S. J., Ozdemir, O., Guvenc, I., Sichitiu, M. L., Mushi, M., & Dutta, R. (2023, September 1). IEEE Communications Magazine, Vol. 61, pp. 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
topics (OpenAlex): UAV Applications and Optimization; Millimeter-Wave Propagation and Modeling; Advanced Wireless Communication Technologies
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)
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Sources: Web Of Science, NC State University Libraries
Added: October 30, 2023

2023 article

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

Kwon, H., Maeng, S. J., & Guvenc, I. (2023, September 5). 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
topics (OpenAlex): UAV Applications and Optimization; Indoor and Outdoor Localization Technologies; Robotics and Sensor-Based Localization
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)
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Sources: Web Of Science, NC State University Libraries
Added: January 29, 2024

2023 article proceedings

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

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
topics (OpenAlex): Millimeter-Wave Propagation and Modeling; Advanced MIMO Systems Optimization; Telecommunications and Broadcasting Technologies
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11. Sustainable Cities and Communities (OpenAlex)
Sources: Web Of Science, NC State University Libraries, Crossref
Added: May 30, 2023

2023 article

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

Raouf, A. H. F., Maeng, S. J., Guvenc, I., Özdemir, Ö., & Sichitiu, M. (2023, June 1). 2023 IEEE 97TH VEHICULAR TECHNOLOGY CONFERENCE, VTC2023-SPRING.

By: A. Raouf  n, S. Maeng n, I. Guvenc n , Ö. Özdemir n & M. Sichitiu n 

author keywords: 5G; C-Band; CBRS; helikite; LTE; spectrum monitoring; unmanned aerial vehicles (UAV)
topics (OpenAlex): IoT Networks and Protocols; Advanced MIMO Systems Optimization; Millimeter-Wave Propagation and Modeling
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)
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11. Sustainable Cities and Communities (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: November 20, 2023

2022 article

Coverage Probability Analysis of Passive Reflectors in Indoor Environments

Maeng, S. J., Anjinappa, C. K., & Guvenc, I. (2022, July 26). IEEE Communications Letters, Vol. 10.

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
topics (OpenAlex): Millimeter-Wave Propagation and Modeling; Advanced MIMO Systems Optimization; Indoor and Outdoor Localization Technologies
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: Web Of Science, ORCID, NC State University Libraries
Added: July 27, 2022

2022 article

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

Maeng, S. J., Guvenc, I., Sichitiu, M. L., Floyd, B., Dutta, R., Zajkowski, T., … Mushi, M. (2022, May 16). 2022 IEEE International Conference on Communications Workshops (ICC Workshops).

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.
topics (OpenAlex): Radio Wave Propagation Studies; Millimeter-Wave Propagation and Modeling; Full-Duplex Wireless Communications; Hermeneutics and Narrative Identity; Aging, Elder Care, and Social Issues; Health, Medicine and Society; Cognitive Radio Networks and Spectrum Sensing; Radar Systems and Signal Processing
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)
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Sources: Web Of Science, NC State University Libraries
Added: September 26, 2022

2022 article

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

Maeng, S. J., Guvenc, I., Sichitiu, M. L., & Ozdemir, O. (2022, May 16). ICC 2022 - IEEE International Conference on Communications, 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)
topics (OpenAlex): Cognitive Radio Networks and Spectrum Sensing; Advanced MIMO Systems Optimization; Full-Duplex Wireless Communications
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, NC State University Libraries
Added: December 12, 2022

2022 article

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

Maeng, S. J., Yapc, Y., Güvenç, İ., Bhuyan, A., & Dai, H. (2022, January 6). IEEE Transactions on Vehicular Technology, Vol. 71, pp. 2949–2964.

By: S. Maeng n, Y. Yapc*, İ. Güvenç 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
topics (OpenAlex): Wireless Communication Security Techniques; UAV Applications and Optimization; Advanced Wireless Communication Technologies
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)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: March 16, 2022

2021 article

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

Maeng, S. J., Yapici, Y., Guvenc, I., Dai, H., & Bhuyan, A. (2021, June 1). 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
topics (OpenAlex): Wireless Communication Security Techniques; UAV Applications and Optimization; Advanced Wireless Communication Technologies
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, NC State University Libraries
Added: December 13, 2021

2021 article

Secure 5G Network for a Nationwide Drone Corridor

Bhuyan, A., Guvenc, I., Dai, H., Sichitiu, M. L., Singh, S., Rahmati, A., & Maeng, S. J. (2021, March 6). 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

topics (OpenAlex): UAV Applications and Optimization; Advanced Wireless Communication Technologies; Advanced MIMO Systems Optimization
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)
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Sources: Web Of Science, NC State University Libraries
Added: September 13, 2021

2020 article

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

Maeng, S. J., Deshmukh, M. A., Guvenc, I., Bhuyan, A., & Dai, H. (2020, December 21). IEEE Transactions on Vehicular Technology, Vol. 70, pp. 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
topics (OpenAlex): UAV Applications and Optimization; Advanced Wireless Communication Technologies; Antenna Design and Analysis
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)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 18, 2021

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