Search Results - "Kim, YoungOk"

Russia’s Policy Transition to a Hydrogen Economy and the Implications of South Korea–Russia Cooperation by Youngok, Kim, Eunkyung, Yi, Hyunik, Son

“…Leading countries are developing clean energy to replace fossil fuels. In this context, Russia is changing its energy policy towards fostering new energy…”
Get full text

Deep Learning-Based Device-Free Localization Scheme for Simultaneous Estimation of Indoor Location and Posture Using FMCW Radars by Lee, Jeongpyo, Park, Kyungeun, Kim, Youngok

“…Indoor device-free localization (DFL) systems are used in various Internet-of-Things applications based on human behavior recognition. However, the usage of…”
Get full text

A Novel Passive Tracking Scheme Exploiting Geometric and Intercept Theorems by Zhou, Biao, Sun, Chao, Ahn, Deockhyeon, Kim, Youngok

“…Passive tracking aims to track targets without assistant devices, that is, device-free targets. Passive tracking based on Radio Frequency (RF) Tomography in…”
Get full text

A Passive Tracking System Based on Geometric Constraints in Adaptive Wireless Sensor Networks by Zhou, Biao, Ahn, Deockhyeon, Lee, Jungpyo, Sun, Chao, Ahmed, Sabbir, Kim, Youngok

“…Target tracking technologies in wireless sensor network (WSNs) environments fall into two categories: active and passive schemes. Unlike with the active…”
Get full text

Interference-Aware PAPR Reduction Scheme to Increase the Energy Efficiency of Large-Scale MIMO-OFDM Systems by Lee, Byung, Kim, Youngok

“…Large-scale (LS) multi-user (MU) multiple input multiple output orthogonal frequency division multiplexing (MIMO-OFDM) is considered to be a desirable signal…”
Get full text

A Passive Indoor Tracking Scheme With Geometrical Formulation by Zhou, Biao, Kim, Nammoon, Kim, Youngok

“…Passive tracking that aims to track targets without assistant devices, i.e., device-free targets, is addressed as an emerging field recently. This letter…”
Get full text

An Adaptive Clipping and Filtering Technique for PAPR Reduction of OFDM Signals by Lee, Byung Moo, Kim, Youngok

“…In recent years, many peak-to-average power ratio (PAPR) reduction techniques have been proposed for orthogonal frequency division multiplexing (OFDM) signals…”
Get full text

Deep Learning-Based Indoor Distance Estimation Scheme Using FMCW Radar by Park, Kyung-Eun, Lee, Jeong-Pyo, Kim, Youngok

“…In the distance estimation scheme using Frequency-Modulated-Continuous-Wave (FMCW) radar, the frequency difference, which was caused by the time delay of the…”
Get full text

Orthogonal Pulse Design in Consideration of FCC and IEEE 802.15.4a Constraints by KIM, Sujin, KIM, Youngok, XINRONG LI, KANG, Joonhyuk

“…In Ultra-wideband (UWB) system mainly coexisting with other narrow band systems, a judicious pulse shape design is necessary, under the IEEE 802.15.4a standard…”
Get full text

Design of an Energy Efficient Future Base Station with Large-Scale Antenna System by Lee, Byung, Kim, Youngok

“…Due to the continuous increase in data demanded by end-users, an energy-efficient base station (BS) is a vital topic of interest that would not only result in…”
Get full text

A Weighted OFDM Signal Scheme for Peak-to-Average Power Ratio Reduction of OFDM Signals by CHANG EON SHIN, KYUNG SOO RIM, KIM, Youngok

“…In this paper, a peak-to-average-ratio (PAPR) reduction scheme based on a weighted orthogonal frequency-division multiplexing (OFDM) signal is proposed to…”
Get full text

A Novel Joint TDOA/FDOA Passive Localization Scheme Using Interval Intersection Algorithm by Ai, Lingyu, Pang, Min, Shan, Changxu, Sun, Chao, Kim, Youngok, Zhou, Biao

“…Due to the large measurement error in the practical non-cooperative scene, the passive localization algorithms based on traditional numerical calculation using…”
Get full text

A novel orthogonal space-time-frequency block code for OFDM systems by LEE, Keonkook, KIM, Youngok, KANG, Joonhyuk

“…In this letter, we propose an orthogonal spacetime- frequency block code for orthogonal frequency division multiplexing (STFBC-OFDM) systems, newly designed to…”
Get full text

Internationalization strategy and the home-regionalization hypothesis : the case of Australian multinational enterprises by Kim, Youngok, Gray, Sidney J

“…Classification of multinational enterprise (MNE) types - work of Rugman and Verbeke - how a firm's international experience influences the degree of its home…”
Get full text

Practical determination of impulse sample power boosting factor in impulse postfix OFDM systems by Byung Moo Lee, Byung Moo Lee, Youngok Kim, Youngok Kim

“…An impulse postfix OFDM (IP-OFDM) system, which performs channel estimation in time-domain by exploiting the IP instead of pilot tones, has recently been…”
Get full text

Transmission Power Determination Based on Power Amplifier Operations in Large-Scale MIMO-OFDM Systems by Lee, Byung, Kim, Youngok

“…This paper presents a method to determine transmission power based on power amplifier (PA) operations in order to improve the energy efficiency (EE) of a…”
Get full text

An Enhanced 3D Positioning Scheme Exploiting Adaptive Pulse Selection for Indoor LOS Environments by Kim, Youngok, Kim, Nammoon

“…In this paper, an enhanced 3D positioning scheme exploiting adaptive pulse selection is proposed for indoor environments. The proposed scheme is based on the…”
Get full text

Beam Grouping Based RS Resource Reuse and De-Contamination in Large Scale MIMO Systems by Lee, Byung Moo, Kim, Youngok

“…It is well known that large scale multiple-input multiple-output (LS-MIMO) systems are very attractive technology to increase both spectral efficiency (SE) and…”
Get full text

Structural Behavior of KSTAR CS Magnet During Plasma Operation by Ahn, Hee-Jae, Park, Hyun-Ki, Kim, Jinsub, Kim, YoungOk, Kim, Kwang Pyo, Chu, Yong, Kim, Hyun-Seok, Park, Kaprai, Oh, Yeong-Kook, Lee, Sudo, Kim, Yong Hwan

“…The finite element model of KSTAR central solenoid (CS) magnet has been developed with new smeared orthotropic material properties of CS coils and the…”
Get full text

Maximum likelihood UEP video streaming technique for WirelessMAN-Advancedsystems by Yun, Jeongsik, Kim, Youngok, Kim, Jaekwon

“…In this paper, a maximum likelihood (ML) unequal error protection (UEP) video streaming technique is proposed for WirelessMAN-Advanced systems that are…”
Get full text