Search Results - "Chong, Young Jun"

High altitude ducts causing abnormal wave propagation in coastal area of Korea by Lim, Tae Heung, Wang, Sungsik, Chong, Young‐Jun, Park, Yong Bae, Ko, Jinwon, Choo, Hosung

“…This article analyzes the number of duct occurrences in the Korean coastal area by seasonal statistical histograms using massive atmospheric data sets…”
Get full text

Field‐Measurement‐Based Received Power Analysis for Directional Beamforming Millimeter‐Wave Systems: Effects of Beamwidth and Beam Misalignment by Lee, Juyul, Kim, Myung‐Don, Park, Jae‐Joon, Chong, Young Jun

“…To overcome considerable path loss in millimeter‐wave propagation, high‐gain directional beamforming is considered to be a key enabling technology for outdoor…”
Get full text

An Efficient Calibration of MIMO Channel Sounders With Internal Crosstalk by Kim, Junseok, Lee, Eun Ae, Kim, Chung-Sup, Chong, Young-Jun, Cho, Joon Ho

“…In this paper, a calibration of multiple-input multiple-output (MIMO) channel sounders with internal crosstalk is considered.The objective is to minimize the…”
Get full text

Path Loss Model Based on Machine Learning using Multi-Dimensional Gaussian Process Regression by Jang, Ki Joung, Park, Sejun, Kim, Junseok, Yoon, Youngkeun, Kim, Chung-Sup, Chong, Young-Jun, Hwang, Ganguk

“…For beyond the fifth-generation (5G) and future wireless communications, spatial consistency that represents the correlation between propagation channel…”
Get full text

Measurement-Based Millimeter-Wave Angular and Delay Dispersion Characteristics of Outdoor-to-Indoor Propagation for 5G Millimeter-Wave Systems by Lee, Juyul, Kim, Kyung-Won, Kim, Myung-Don, Park, Jae-Joon, Yoon, Young Keun, Chong, Young Jun

“…Most outdoor-to-indoor (O2I) propagation studies in millimeter-wave (mmWave) frequency bands have been focused on power loss characteristics such as building…”
Get full text

Site Prediction Model for the over Rooftop Path in a Suburban Environment at Millimeter Wave by Yoon, Young Keun, Chong, Young Jun, Kim, Kyung Won

“…This paper proposes the site-specific pathloss model for a small town in a suburban environment at millimeter wave. Also, the site general characteristics are…”
Get full text

Modeling of Adjacent Channel Interference in Heterogeneous Wireless Networks by Kim, Minjae, Han, Youngnam, Yoon, Youngkeun, Chong, Young-Jun, Lee, Hyuckjae

“…This letter proposes a new model for the aggregate adjacent channel interference (ACI) received from nearby terminal stations (TSs) of heterogeneous wireless…”
Get full text

Field-Measurement-Based Received Power Analysis for Directional Beamforming Millimeter-Wave Systems: Effects of Beamwidth and Beam Misalignment by Lee, Juyul, Kim, Myung-Don, Park, Jae-Joon, Chong, Young Jun

“…To overcome considerable path loss in millimeter-wave propagation, high-gain directional beamforming is considered to be a key enabling technology for outdoor…”
Get full text

Millimeter-wave diffraction-loss model based on over-rooftop propagation measurements by Kim, Kyung-Won, Kim, Myung-Don, Lee, Juyul, Park, Jae-Joon, Yoon, Young Keun, Chong, Young Jun

“…Measuring the diffraction loss for high frequencies, long distances, and large diffraction angles is difficult because of the high path loss. Securing a…”
Get full text

Shooting and Bouncing Rays for Sparse Particles (SBR-SP) Applied for Multiple Magnetodielectric Circular Cylinders by Cho, Yong Heui, Lee, Haengseon, Byun, Woo Jin, Kim, Bong Su, Chong, Young Jun

“…A numerically efficient method, called shooting and bouncing rays for sparse particles (SBR-SP), is proposed to analyze large 2-D arrays composed of…”
Get full text

Millimeter-wave directional-antenna beamwidth effects on the ITU-R building entry loss (BEL) propagation model by Lee, Juyul, Kim, Kyung-Won, Kim, Myung-Don, Park, Jae-Joon, Yoon, Young Keun, Chong, Young Jun

“…Assuming omnidirectional antenna reception, the ITU-R recently developed a new propagation model on building entry loss (BEL) for 5G millimeter-wave frequency…”
Get full text

Calibration of a fully-switched MIMO channel sounder with internal crosstalk by Lee, Eun Ae, Kim, Junseok, Kim, Hyuk-Je, Chong, Young-Jun, Cho, Joon Ho

“…•We consider the calibration of a fully-switched MIMO channel sounder with internal crosstalk.•Unlike conventional approaches, the Tx and Rx are not modeled by…”
Get full text

Efficacy of cardiopulmonary resuscitation performance while wearing a powered air-purifying respirator by Chong, Jun Young, Kang, ChangShin, Jeong, Wonjoon, Park, Jung Soo, You, Yeonho, Ahn, Hong Joon, Min, Jin Hong, Hwang, TaeSik, Kwon, OYu, Kim, Seung Whan

“…The use of personal protective equipment for respiratory infection control during cardiopulmonary resuscitation (CPR) is a physical burden to healthcare…”
Get full text

Millimeter‐wave diffraction‐loss model based on over‐rooftop propagation measurements by Kim, Kyung‐Won, Kim, Myung‐Don, Lee, Juyul, Park, Jae‐Joon, Yoon, Young Keun, Chong, Young Jun

“…Measuring the diffraction loss for high frequencies, long distances, and large diffraction angles is difficult because of the high path loss. Securing a…”
Get full text

Millimeter‐wave directional‐antenna beamwidth effects on the ITU‐R building entry loss (BEL) propagation model by Lee, Juyul, Kim, Kyung‐Won, Kim, Myung‐Don, Park, Jae‐Joon, Yoon, Young Keun, Chong, Young Jun

“…Assuming omnidirectional antenna reception, the ITU‐R recently developed a new propagation model on building entry loss (BEL) for 5G millimeter‐wave frequency…”
Get full text

An Efficient Calibration of a Fully-Switched MIMO Channel Sounder with Internal Crosstalk by Kim, Junseok, Lee, Eun Ae, Kim, Chung-Sup, Chong, Young-Jun, Cho, Joon Ho

“…In this paper, a calibration of fully-switched multiple-input multiple-output (MIMO) channel sounders with internal crosstalk is considered. The objective is…”
Get full text

Internal Crosstalk Calibration for a Fully-Switched MIMO Channel Sounder by Lee, Eun Ae, Kim, Junseok, Kim, Hyuk-Je, Chong, Young-Jun, Cho, Joon Ho

“…In this paper, the problem of calibrating a fully switched MIMO channel sounder is considered that has internal crosstalk. A system model is proposed that…”
Get full text

Analysis of path loss about radio duct phenomenon with atmospheric refractive index information by Jinhyung Oh, Jong Ho Kim, Young-Jun Chong

“…The radio duct phenomenon is one of the factors that explain the radio interference between neighbouring countries. When the signal transmitted from the coast…”
Get full text

Implementation and performance evaluation of mmWave channel sounding system by Heon-Kook Kwon, Myung-Don Kim, Young-jun Chong

“…This paper introduces mBECS(millimeter wave Band Exploration and Channel Sounder), also known as channel sounder, to explore mmWave channel characteristic. We…”
Get full text

28GHz Wideband Characteristics at Urban Area by Jong Ho Kim, YoungKeun Yoon, Young Jun Chong, Myung-Don Kim

“…Wideband characteristics in the 28GHz band were measured at various environments using narrow beamwidth antennas. In this paper, we present delay spreads of…”
Get full text