Kairui Du

Works (5)

Updated: April 11th, 2023 10:13

2022 article

60 GHz Outdoor Propagation Measurements and Analysis Using Facebook Terragraph Radios

Du, K., Mujumdar, O., Ozdemir, O., Ozturk, E., Guvenc, I., Sichitiu, M. L., … Bhuyan, A. (2022, January 16). 2022 IEEE RADIO AND WIRELESS SYMPOSIUM (RWS).

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
topics (OpenAlex): Millimeter-Wave Propagation and Modeling; Advanced MIMO Systems Optimization; Radio Wave Propagation Studies
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)
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11. Sustainable Cities and Communities (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: June 13, 2022

2022 article

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

Ozturk, E., Erden, F., Du, K., Anjinappa, C. K., Ozdemir, O., & Guvenc, I. (2022, January 16). 2022 IEEE RADIO AND WIRELESS SYMPOSIUM (RWS).

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
topics (OpenAlex): Millimeter-Wave Propagation and Modeling; Advanced MIMO Systems Optimization; Power Line Communications and Noise
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 Goals Color Wheel
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

Du, K., Ozdemir, O., Erden, F., & Guvenc, I. (2021, September 13). 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
topics (OpenAlex): Millimeter-Wave Propagation and Modeling; Power Line Communications and Noise; Telecommunications and Broadcasting Technologies
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)
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Sources: Web Of Science, NC State University Libraries
Added: May 23, 2022

2021 article

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

Hosseini, N., Khatun, M., Guo, C., Du, K., Ozdemir, O., Matolak, D. W., … Mehrpouyan, H. (2021, January 5). IEEE Antennas and Propagation Magazine, Vol. 12.

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
topics (OpenAlex): Millimeter-Wave Propagation and Modeling; Microwave Engineering and Waveguides; Antenna Design and Analysis; Electromagnetic Compatibility and Measurements; Microwave and Dielectric Measurement Techniques
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)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: January 6, 2021

2021 article

Sub-Terahertz and mmWave Penetration Loss Measurements for Indoor Environments

Du, K., Ozdemir, O., Erden, F., & Guvenc, I. (2021, June 1). 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
topics (OpenAlex): Millimeter-Wave Propagation and Modeling; Microwave Engineering and Waveguides; Power Line Communications and Noise
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

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