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Works (29)
Updated: June 18th, 2024 05:02
2024 journal article
Kriging-Based 3-D Spectrum Awareness for Radio Dynamic Zones Using Aerial Spectrum Sensors
IEEE SENSORS JOURNAL, 24(6), 9044–9058.
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)
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)
arxiv.org (repository)
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
2023 IEEE AEROSPACE CONFERENCE.
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)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: September 18, 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.
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, NC State University Libraries
Added: January 29, 2024
2023 article
Demonstration of Joint SDR/UAV Experiment Development in AERPAW
MILCOM 2023 - 2023 IEEE MILITARY COMMUNICATIONS CONFERENCE.
Contributors: A. Gürses n , M. Funderburk n, J. Kesler n, K. Powell *, T. Rahman*, 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, NC State University Libraries, ORCID
Added: March 25, 2024
2023 journal article
LTE I/Q Data Set for UAV Propagation Modeling, Communication, and Navigation Research
IEEE COMMUNICATIONS MAGAZINE, 61(9), 90–96.
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, NC State University Libraries
Added: October 30, 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.
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, NC State University Libraries
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.
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, NC State University Libraries
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.
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, NC State University Libraries
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.
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, NC State University Libraries
Added: June 13, 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.
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, NC State University Libraries
Added: September 26, 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.
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)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: September 26, 2022
2022 article
Out-of-Zone Signal Leakage Sensing in Radio Dynamic Zones
IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS (ICC 2022), pp. 5579–5584.
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, NC State University Libraries
Added: December 12, 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.
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, NC State University Libraries
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).
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
9. Industry, Innovation and Infrastructure
(Web of Science)
Sources: Web Of Science, NC State University Libraries
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).
Contributors: M. Chowdhury, C. Anjinappa*, I. Guvenc* , M. Sichitiu* , *, U. Bhattacherjee, R. Dutta* , V. Marojevic, B. Floyd*
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
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: September 13, 2021
2021 journal article
AERPAW emulation overview and preliminary performance evaluation
COMPUTER NETWORKS, 194.
Contributors: A. Panicker n, 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
9. Industry, Innovation and Infrastructure
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: April 21, 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.
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
9. Industry, Innovation and Infrastructure
(Web of Science)
11. Sustainable Cities and Communities
(OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: January 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.
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)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 16, 2021
2021 article
Sub-Terahertz and mmWave Penetration Loss Measurements for Indoor Environments
2021 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS WORKSHOPS (ICC WORKSHOPS).
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, NC State University Libraries
Added: October 24, 2022
2020 article
A Framework for Developing Algorithms for Estimating Propagation Parameters from Measurements
2020 IEEE GLOBECOM WORKSHOPS (GC WKSHPS).
TL;DR:
The results indicate that the simple greedy-LS algorithm has the ability to extract MPCs over a large dynamic range, and suggest several avenues for further performance improvement through extensions of the greedy- LS algorithm as well as by incorporating features of other algorithms, such as SAGE and RIMAX.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
9. Industry, Innovation and Infrastructure
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: July 12, 2021
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.
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)
9. Industry, Innovation and Infrastructure
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
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.
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)
UN Sustainable Development Goal Categories
9. Industry, Innovation and Infrastructure
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
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.
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)
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: January 2, 2020
2020 journal article
Methodology for Benchmarking Radio-Frequency Channel Sounders Through a System Model
IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, 19(10), 6504–6519.
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
9. Industry, Innovation and Infrastructure
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: November 2, 2020
2020 journal article
Multiple ray received power modelling for mmWave indoor and outdoor scenarios
IET MICROWAVES ANTENNAS & PROPAGATION, 14(14), 1825–1836.
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
9. Industry, Innovation and Infrastructure
(Web of Science)
11. Sustainable Cities and Communities
(OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: December 21, 2020
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.
author keywords: Antenna measurements; Receiving antennas; Ultra wideband antennas; Antenna radiation patterns; Loss measurement; Area measurement; Air-to-ground  (AG); channel model; drone; multipath channel; path loss; propagation measurements; ultra-wideband  (UWB); unmanned-aerial-vehicle  (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)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: January 4, 2021
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, NC State University Libraries
Added: April 22, 2019
2018 journal article
A regularization approach to MSE analysis of OFDM under phase noise
AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS, 83, 303–308.
author keywords: OFDM; Phase noise; NMSE
TL;DR:
An exact normalized mean square error (NMSE) expression is derived under receive-side PN and an optimized regularization parameter for an MMSE equalizer design is derived and shown to result in appreciable NMSE reduction.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
11. Sustainable Cities and Communities
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2017 conference paper
UAV air-to-ground channel characterization for mmWave systems
2017 ieee 86th vehicular technology conference (vtc-fall).
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, NC State University Libraries
Added: August 6, 2018
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