Search Results - "Kim, Kwang‐Seon"

A 2.6-GHz Partial-Envelope Delta-Sigma-Digitized Carrier-Bursting Transmitter by Jang, Seunghyun, Seo, Youngho, Kim, Changwan, Jung, Jaeho, Park, Bonghyuk, Kim, Kwang-Seon, Lee, Kwang-Chun

“…This letter presents the implementation and measurement results of a partially digitized envelope-based carrier-bursting transmitter operating at 2.6 GHz. The…”
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A 1‐W Ka‐band power amplifier using 0.15‐μm InGaAs/GaAs E‐mode pHEMT technology by Lee, Hui Dong, Park, Jeongsoo, Kong, Sunwoo, Kim, Kwang‐Seon, Lee, Kwang Chun, Park, Bonghyuk, Kim, Jeong‐Geun

“…This article presents a 1‐W Ka‐band power amplifier using 0.15‐μm InGaAs/GaAs enhancement‐mode pHEMT technology. We have introduced a method to obtain the…”
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16-QAM OFDM-Based K-Band LoS MIMO Communication System with Alignment Mismatch Compensation by Kim, Bong‐Su, Kim, Kwang‐Seon, Kang, Min‐Soo, Byun, Woo‐Jin, Song, Myung‐Sun, Park, Hyung Chul

“…This paper presents a novel K‐band (18 GHz) 16‐quadrature amplitude modulation (16‐QAM) orthogonal frequency‐division multiplexing (OFDM)‐based 2 × 2…”
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Delta-sigma-modulated IFoF transmission system assisted by a correlative-level encoding technique by Jang, Seunghyun, Park, Bonghyuk, Hong, Songcheol, Kim, Kwang-Seon, Lee, Kwang-Chun

“…A delta-sigma-modulated intermediate-frequency-over-fiber (IFoF) transmission system assisted by a correlative-level coding technique is proposed and…”
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Microwave Orbital Angular Momentum Mode Generation and Multiplexing Using a Waveguide Butler Matrix by Lee, Wangjoo, Hong, Ju Yeon, Kang, Min Soo, Kim, Bong Su, Kim, Kwang Seon, Byun, Woo Jin, Song, Myung Sun, Cho, Yong Heui

“…In this paper, we propose a convenient microwave orbital angular momentum (OAM) mode generation and multiplexing method operating in the 18 GHz frequency band,…”
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PA and LNA for millimeter-wave WPAN using 90 nm CMOS process by Kang, Min-Soo, Kim, Bong-Su, Byun, Woo-Jin, Kim, Kwang-Seon, Oh, Seung-Hyeub, Pinel, Stephane, Laskar, Joy, Song, Myung-Sun

“…We present the design and fabrication of power amplifier (PA) and low noise amplifier (LNA) in 60 GHz using 90 nm CMOS process. Both of them have three stages…”
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A 28-GHz CMOS LNA with Stability-Enhanced Gm-Boosting Technique Using Transformers by Kong, Sunwoo, Lee, Hui-Dong, Jang, Seunghyun, Park, Jeehoon, Kim, Kwang-Seon, Lee, Kwang-Chun

“…In this paper, we propose a low noise amplifier (LNA) using a g m -boosting technique with improved stability using transformers in the millimeter-wave…”
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Genetic Distinctness of Sorex caecutiens hallamontanus (Soricomorpha: Mammalia) from Jeju Island in Korea: Cytochrome Oxidase I and Cytochrome b Sequence Analyses by Koh, Hung-Sun, Jang, Kyung-Hee, In, Seong-Teak, Han, Eui-Dong, Jo, Jae-Eun, Ham, Eui-Jeong, Jeong, Seon-Ki, Lee, Jong-Hyek, Kim, Kwang-Seon, Kweon, Gu-Hee

“…To examine genetic divergences of two endemic Sorex caecutiens subspecies from Korea (S. c. hallamontanus in Korean Jeju Island and S. c. annexus in the…”
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Lack of Mitochondrial DNA Sequence Divergence between Two Subspecies of the Siberian Weasel from Korea: Mustela sibirica coreanus from the Korean Peninsula and M. s. quelpartis from Jeju Island by Koh, Hung-Sun, Jang, Kyung-Hee, Oh, Jang-Geun, Han, Eui-Dong, Jo, Jae-Eun, Ham, Eui-Jeong, Jeong, Seon-Ki, Lee, Jong-Hyek, Kim, Kwang-Seon, Kweon, Gu-Hee, In, Seong-Teak

“…The objective of this study was to determine the degree of mitochondrial DNA (mtDNA) divergence between two subspecies of Mustela sibirica from Korea (M. s…”
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Lack of genetic divergence between Mogera wogura coreana from Korea and M. w. robusta from Northeastern China and adjacent Russia (Soricomorpha: Mammalia), reexamined from 12S rRNA and cytochrome b sequences by Koh, Hung Sun, Jang, Kyung Hee, Han, Eui Dong, Jo, Jae Eun, Jeong, Seon Ki, Ham, Eui Jeong, Lee, Jong Hyek, Kim, Kwang Seon, In, Seong Teek, Kweon, Gu Hee

“…To reexamine taxonomic status of endemic Mogera wogura coreana from Korea, we first obtained partial 12S rRNA sequences (893 bp) and complete cytochrome b gene…”
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Lack of Mitochondrial DNA Sequence Divergence between Two Subspecies of the Siberian Weasel from Korea: Mustela sibirica coreanus from the Korean Peninsula and M. s. quelpartis from Jeju Island by Koh, Hung-Sun, Jang, Kyung-Hee, Oh, Jang-Geun, Han, Eui-Dong, Jo, Jae-Eun, Ham, Eui-Jeong, Jeong, Seon-Ki, Lee, Jong-Hyek, Kim, Kwang-Seon, Kweon, Gu-Hee, In, Seong-Teak

“…The objective of this study was to determine the degree of mitochondrial DNA (mtDNA) divergence between two subspecies of $Mustela$ $sibirica$ from Korea ($M.$…”
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Genetic Distinctness of Sorex caecutiens hallamontanus (Soricomorpha: Mammalia) from Jeju Island in Korea: Cytochrome Oxidase I and Cytochrome b Sequence Analyses by Koh, Hung-Sun, Jang, Kyung-Hee, In, Seong-Teak, Han, Eui-Dong, Jo, Jae-Eun, Ham, Eui-Jeong, Jeong, Seon-Ki, Lee, Jong-Hyek, Kim, Kwang-Seon, Kweon, Gu-Hee

“…To examine genetic divergences of two endemic Sorex caecutiens subspecies from Korea (S. c. hallamontanus in Korean Jeju Island and S. c. annexus in the…”
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Demonstration of IFoF based 5G mobile fronthaul in 28 GHz millimeter wave testbed supporting giga-bit mobile services by Minkyu Sung, Seung-Hyun Cho, Kwang Seon Kim, Heon-Kook Kwon, Byung-Su Kang, Don Sung Oh, Deuk-Su Lyu, Hoon Lee, Sun Me Kim, Jong Hyun Lee, Hwan Seok Chung

“…We report the successful demonstration of IFoF based mobile fronthaul link with 5G mobile communication system prototype supporting giga-bit mobile service…”
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Millimeter-wave metallic-rectangular-grooves based reflectarray antenna and its applications to E-band multi-Gbps system by Woo-Jin Byun, Yong-Heui Cho, Min-Soo Kang, Kwang-Seon Kim, Bong-Su Kim, Myung-Sun Song

“…A novel metallic-rectangular-groove based Cassegrain-type reflectarray antenna is proposed. This antenna is design using overlapping T-block method based on…”
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70/80 GHz GaAs MMIC receiver with 4th SHP mixer by Bong-Su Kim, Woo-Jin Byun, Min-Soo Kang, Kwang-Seon Kim, Myung-Sun Song

“…In this paper, the implementation of a 0.1 um GaAs pHEMT process MMIC LNA, a sub-harmonically pumped (SHP) mixer, and a single-chip receiver for 70/80 GHz…”
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A 28 GHz >30 dBm Output P1dB SPDT switch with integrated ESD protection in CMOS 65 nm by Jang, Seunghyun, Kong, Sunwoo, Lee, Hui-Dong, Park, Jeehoon, Kim, Kwang-Seon, Park, Bonghyuk

“…A 28 GHz watt-level CMOS SPDT switch with integrated electro-static discharge protection is designed and fabricated in a 65 nm CMOS process for a…”
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放电等离子体烧结技术制备过共晶Al-Si-Fe粉末冶金合金的显微组织和压缩变形行为 by Jewoosoo KIM Kwang-Seon JANG Mok-Soon KIM Jeong-Keun LEE

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A miniatured 28-GHz FEM using a 0.15-μm InGaAs/GaAs E-mode pHEMT process by Lee, Hui Dong, Kong, Sunwoo, Jang, Seunghyun, Kim, Kwang-Seon, Lee, Kwang Chun, Park, Bonghyuk

“…This paper presents a miniaturized 28-GHz FEM implemented in 0.15-μm InGaAs/GaAs E-mode pHEMT process. It is designed for use with 28-GHz switching beamforming…”
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Design of 6-Bit 28GHz Phase Shifter in 65NM CMOS by Park, Jeehoon, Kong, Sunwoo, Jang, Seunghyun, Lee, Hui Dong, Kim, Kwang-Seon, Lee, Kwang Chun

“…This paper presents a 6-bit 28GHz phase shifter in 65nm CMOS technology. The phase shifter is composed of switching-type phase shifters to achieve low power…”
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28 GHz 1.8 dB Insertion Loss SPDT Switch with 24 dB Isolation in 65 nm CMOS by Jang, Seunghyun, Kong, Sunwoo, Lee, Hui-Dong, Park, Jeehoon, Kim, Kwang-Seon, Lee, Kwang-Chun

“…28 GHz SPDT switch has been designed and fabricated in 65 nm CMOS with deep N-well as a building block for beamforming-based 5 th generation mobile…”
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