한국전자파학회논문지 (The Journal of Korean Institute of Electromagnetic Engineering and Science)

About The Journal of Korean Institute of Electromagnetic Engineering and Science

JKIEES (The Journal of Korean Institute of Electromagnetic Engineering and Science) was launched in 1996 and has been published Monthly by the Korean Institute of Electromagnetic Engineering and Science. It was selected as a candidate journal to be registered with National Research Foundation of Korea and finally registered with the Foundation in 2004. Total of the articles in our journal are indexed in DOI/CrossRef, Google Scholar, and EBSCO. For a period of 27 years, about 3,936 excellent papers have been published by our journal. JKIEES has posted papers largely on profound research of antennas, microwave engineering, EMI/EMC, and applied electromagnetics. Its fields of contributed paper also have been expanded into diverse areas such as wireless communication systems, spectrum engineering, RF systems, electromagnetic materials, radar and radio application, and electromagnetic scattering and imaging. Since 2004, JKIEES has encouraged contributions from authors whose papers were recommended as excellent papers by academic conference heads and posted their papers in featured sessions.
특집논문/SPECIAL EDITION

Apr 30, 2023

Sensor Application Using UWB Communication: In-Vehicle Seat Occupancy Detection
UWB 통신을 이용한 센서 응용: 자동차 내 좌석 탑승 감지

Chang Jin Kim, Byeongkeun Han, Junyoung Lee, SunWoo Jung, Byung-Jun Jang 김창진, 한병근, 이준영, 정선우, 장병준

J. Korean Inst. Electromagn. Eng. Sci. 2023;34(4):249-255.
https://doi.org/10.5515/KJKIEES.2023.34.4.249

UWB(ultra-wideband) technology has recently attracted attention owing to its ability to accurately measure distance and enable communication. Currently, applications such as sensors capable of recognizing situations are being considered, moving beyond communication and distance measurement. In this study, we developed a UWB-based sensor application system that detects whether a person is seated in a car. With this system, it is possible to send an alert to the driver’s smartphone if the driver leaves the car with a child in the back seat with...
특집논문/SPECIAL EDITION

Apr 30, 2023

Design of a Wideband Shark-Fin Antenna Using Coupler and Half-Wavelength Loop Pattern
커플러와 반파장 루프 패턴을 활용한 광대역 샤크핀 안테나 설계

Hyok Lee, Won-Sun Chung, Jae-Hyun Kim, Jae-Hoon Choi 이혁, 정원선, 김재현, 최재훈

J. Korean Inst. Electromagn. Eng. Sci. 2023;34(4):256-262.
https://doi.org/10.5515/KJKIEES.2023.34.4.256

This study proposes a design of a wideband shark-fin antenna that operates in the sub-6 GHz band for 5G communication. A wideband shark-fin antenna is a multiple-input-multiple-output antenna consisting of two antenna elements. For operation in the 4G and 5G operation bands, wideband characteristics were implemented using a coupler and a half-lambda loop pattern. The manufactured wideband shark-fin antenna satisfied the condition VSWR<3.5:1 in the 4G and 5G operating bands. The average gains over the operating bandwidth were greater than −...
특집논문/SPECIAL EDITION

Apr 30, 2023

Electromagnetic Scattering Analysis of 3D Dielectric Multi-Coated Structures Using Finite Element Method
3차원 다층 유전체 코팅 구조의 전자파 산란 해석을 위한 유한요소법 적용

Hyesun Na, Eunjung Lee 나혜선, 이은정

J. Korean Inst. Electromagn. Eng. Sci. 2023;34(4):263-272.
https://doi.org/10.5515/KJKIEES.2023.34.4.263

In this study, the finite element method was used to analyze the scattering issue caused by various types of 3D structures coated with dielectrics on perfect electric conductors. To analyze the electromagnetic wave scattering problem, we implemented an in-house finite element analysis code based on the generalized Riesz principle, which is applicable to a wide range of electromagnetic boundary value problems. Through various numerical experiments, the accuracy and validity of the algorithm was verified. During this process, we identified and re...
특집단편논문/SPECIAL SHORT PAPER

Apr 30, 2023

Millimeter-Wave Flip-Chip Bonding for On-Board Measurement
밀리미터파 온-보드 측정을 위한 플립-칩 본딩

Ju-Won Kim, Byung-Wook Min 김주원, 민병욱

J. Korean Inst. Electromagn. Eng. Sci. 2023;34(4):273-276.
https://doi.org/10.5515/KJKIEES.2023.34.4.273

This paper presents the characteristics of signal transmission between a printed circuit board and an integrated circuit, which were obtained using a flip-chip bump process. To minimize signal loss occurring in an interconnection, a Sn-Au alloy soft bump having a diameter of 65 μm was used as the solder bump in the flip-chip process. The measurement result showed a return loss of less than 15 dB from DC to 43.5 GHz, and an insertion loss of 3.82 dB at 28 GHz. The measurements confirmed that it was very small within the measu...
논문/REGULAR PAPERS

Apr 30, 2023

Liquid Crystal-Based Reconfigurable Reflectarray Antenna Unit Cell Structure with Improved Response Time
응답시간이 개선된 액정 기반 능동 반사 배열 안테나 단위 셀 구조

Euiho Shin, Jungsuek Oh 신의호, 오정석

J. Korean Inst. Electromagn. Eng. Sci. 2023;34(4):277-282.
https://doi.org/10.5515/KJKIEES.2023.34.4.277

This paper presents a unit cell structure for liquid crystal (LC)-based reconfigurable reflective arrays, aimed at improving the imbalance in response time. Conventional LC-based reflectarray antenna unit cells, which have been widely used as high-gain beam-steerable antennas, have an imbalance in response time because of different alignment of LC molecules during the rise and decay times. By separating the metal layers in contact with the LC layer and applying four bias voltages, we generated both horizontal and vertical electric field. Accord...
논문/REGULAR PAPERS

Apr 30, 2023

S-Band Wideband Harmonic Transponder with Wide Input Power Range
넓은 입력전력 범위를 갖는 S-대역 광대역 고조파 응답기

Sungyu Kim, Jisu Kim, Juntaek Oh 김선규, 김지수, 오준택

J. Korean Inst. Electromagn. Eng. Sci. 2023;34(4):283-288.
https://doi.org/10.5515/KJKIEES.2023.34.4.283

This paper presents a through-type harmonic transponder for S-band nonlinear radar. To increase the operating frequency range, a 2-stage L-shaped matching network was configured for the input and output matching networks. In previous studies, conventional harmonic transponders were configured with λ/4 stubs in the input and output matching networks to minimize the influence of these networks because the impedance mismatch suppresses the second harmonic and fundamental signals. However, in this design, a λ/4 ...
논문/REGULAR PAPERS

Apr 30, 2023

Design of a 433 MHz Ultra-Low Power Wake-Up Receiver Using Dickson Rectifier
딕슨 정류기를 이용한 433 MHz 초저전력 Wake-Up 수신기 설계

Sung-Min Jang, Shin-Woong Kim, Young-Sik Kim 장성민, 김신웅, 김영식

J. Korean Inst. Electromagn. Eng. Sci. 2023;34(4):289-302.
https://doi.org/10.5515/KJKIEES.2023.34.4.289

This paper presents an envelope detector-based wake-up receiver (WuRx) fabricated using a 0.18 μm CMOS process. The front end of the WuRx was designed as a CMOS Dickson rectifier with no power consumption, and an off-chip matching network was designed at a carrier frequency of 433 MHz. This WuRx used a 32-bit pulse width modulation (PWM) code along with on-off-keying. The clock and data were successfully recovered from the received PWM signal, and a digital correlator was designed that detects the wake-up signal through comparison with the I...
논문/REGULAR PAPERS

Apr 30, 2023

Design of a Fast Chirp Frequency Synthesizer Using 28-nm CMOS Process
28-nm CMOS 공정을 이용한 고속 첩 신호 합성기 설계

Young-su Jeon, Jun-ho Moon, Se-jun Park, Jin-uk Shin, Byung-sung Kim 전영수, 문준호, 박세준, 신진욱, 김병성

J. Korean Inst. Electromagn. Eng. Sci. 2023;34(4):303-309.
https://doi.org/10.5515/KJKIEES.2023.34.4.303

This study proposes a frequency synthesizer with fast frequency modulation using a 28-nm CMOS process. The synthesizer used a two-point modulation technique that divides the frequency range into high- and low-pass regions to lock the frequency. In the high-pass region, continuous frequency modulation was achieved using a charge-digital-to-analog converter, while in the low-pass region, the synthesizer was set to the desired frequency using a divider and a delta-sigma modulator. The manufactured signal generator is capable of oscillating at freq...
논문/REGULAR PAPERS

Apr 30, 2023

A 130-GHz Low-Area Power Amplifier in 40-nm CMOS
40 nm CMOS 공정을 이용한 130 GHz 저면적 전력 증폭기

Jaegwan Kim, Changjung Lee, Munkyo Seo 김재관, 이창중, 서문교

J. Korean Inst. Electromagn. Eng. Sci. 2023;34(4):310-316.
https://doi.org/10.5515/KJKIEES.2022.34.4.310

This paper presents a 130 GHz differential common-source architecture power amplifier using a 40-nm CMOS process. To ensure proper matching between the stages, except for the output, a transformer was used to achieve conjugate matching. For the output, a balun was used to match it to the maximum output load impedance. On-wafer tests showed that the maximum gain of the amplifier was 22.5 dB at 130 GHz, the 3-dB bandwidth was 15 GHz, and the output saturation power was 7.7 dBm. At a supply voltage of 1 V, the power consumption was 81 mW, and PAE ...
논문/REGULAR PAPERS

Apr 30, 2023

Novel Design of Hollow Coils for TMS to Minimize the Heat without Reducing Magnetic Field Intensity
자기장 감소 없이 발열을 최소화한 경두개 자기 자극용 중공 코일의 설계

Sohom Bhattacharjee, Choon Sik Cho 소홈바타차지, 조춘식

J. Korean Inst. Electromagn. Eng. Sci. 2023;34(4):317-325.
https://doi.org/10.5515/KJKIEES.2023.34.4.317

Transcranial magnetic stimulation (TMS) is a non-invasive neurom odulation technique used to treat various neurological disorders, including major depression. Since the cerebellum is a complex structure connected almost throughout the central nervous system, TMS has gained popularity in the field of cerebellar neurostimulation and promises to stimulate cerebellar activity non-invasively. The TMS coil structure and material play significant roles in achieving the focality of the coil. However, few studies have proposed various structures of soli...
단편논문/SHORT PAPER

Apr 30, 2023

A Ka-Band Radar Receiver with Built-in X8 Multiplier
8체배기를 내장한 Ka 밴드 레이다 수신기

Chan-Jong Lee, Dong-Yeol Yang, Seuk-Won kang, Byung-Sung Kim 이찬종, 양동열, 강석원, 김병성

J. Korean Inst. Electromagn. Eng. Sci. 2023;34(4):326-329.
https://doi.org/10.5515/KJKIEES.2022.34.4.326

This paper proposes a 32 GHz band radar receiver with an X8 multiplier. The Ka-band Rx chip used in the receiver was fabricated by using a 28-nm complimentary metal-oxide-semiconductor (CMOS) process and its built-in X8 multiplier enables the chip to driven by a low reference signal of 4 GHz. The designed Rx chip was attached to the ground plane of a microstrip patch antenna and connected to the feedline via the bonding wire. The impedance matching circuit was implemented along the antenna feedline by considering the impedance changes caused by...

CURRENT ISSUE: Apr 2023, Vol. 34 , No. 4

특집논문/SPECIAL EDITION Sensor Application Using UWB Communication: In-Vehicle Seat Occupancy Detection UWB 통신을 이용한 센서 응용: 자동차 내 좌석 탑승 감지 Chang Jin Kim, Byeongkeun Han, Junyoung Lee, SunWoo Jung, Byung-Jun Jang 김창진, 한병근, 이준영, 정선우, 장병준 J. Korean Inst. Electromagn. Eng. Sci. 2023;34(4):249-255. https://doi.org/10.5515/KJKIEES.2023.34.4.249 HTML PDF PubReader	특집논문/SPECIAL EDITION Design of a Wideband Shark-Fin Antenna Using Coupler and Half-Wavelength Loop Pattern 커플러와 반파장 루프 패턴을 활용한 광대역 샤크핀 안테나 설계 Hyok Lee, Won-Sun Chung, Jae-Hyun Kim, Jae-Hoon Choi 이혁, 정원선, 김재현, 최재훈 J. Korean Inst. Electromagn. Eng. Sci. 2023;34(4):256-262. https://doi.org/10.5515/KJKIEES.2023.34.4.256 HTML PDF PubReader
특집논문/SPECIAL EDITION Electromagnetic Scattering Analysis of 3D Dielectric Multi-Coated Structures Using Finite Element Method 3차원 다층 유전체 코팅 구조의 전자파 산란 해석을 위한 유한요소법 적용 Hyesun Na, Eunjung Lee 나혜선, 이은정 J. Korean Inst. Electromagn. Eng. Sci. 2023;34(4):263-272. https://doi.org/10.5515/KJKIEES.2023.34.4.263 HTML PDF PubReader	특집단편논문/SPECIAL SHORT PAPER Millimeter-Wave Flip-Chip Bonding for On-Board Measurement 밀리미터파 온-보드 측정을 위한 플립-칩 본딩 Ju-Won Kim, Byung-Wook Min 김주원, 민병욱 J. Korean Inst. Electromagn. Eng. Sci. 2023;34(4):273-276. https://doi.org/10.5515/KJKIEES.2023.34.4.273 HTML PDF PubReader
논문/REGULAR PAPERS Liquid Crystal-Based Reconfigurable Reflectarray Antenna Unit Cell Structure with Improved Response Time 응답시간이 개선된 액정 기반 능동 반사 배열 안테나 단위 셀 구조 Euiho Shin, Jungsuek Oh 신의호, 오정석 J. Korean Inst. Electromagn. Eng. Sci. 2023;34(4):277-282. https://doi.org/10.5515/KJKIEES.2023.34.4.277 HTML PDF PubReader	논문/REGULAR PAPERS S-Band Wideband Harmonic Transponder with Wide Input Power Range 넓은 입력전력 범위를 갖는 S-대역 광대역 고조파 응답기 Sungyu Kim, Jisu Kim, Juntaek Oh 김선규, 김지수, 오준택 J. Korean Inst. Electromagn. Eng. Sci. 2023;34(4):283-288. https://doi.org/10.5515/KJKIEES.2023.34.4.283 HTML PDF PubReader
논문/REGULAR PAPERS Design of a 433 MHz Ultra-Low Power Wake-Up Receiver Using Dickson Rectifier 딕슨 정류기를 이용한 433 MHz 초저전력 Wake-Up 수신기 설계 Sung-Min Jang, Shin-Woong Kim, Young-Sik Kim 장성민, 김신웅, 김영식 J. Korean Inst. Electromagn. Eng. Sci. 2023;34(4):289-302. https://doi.org/10.5515/KJKIEES.2023.34.4.289 HTML PDF PubReader	논문/REGULAR PAPERS Design of a Fast Chirp Frequency Synthesizer Using 28-nm CMOS Process 28-nm CMOS 공정을 이용한 고속 첩 신호 합성기 설계 Young-su Jeon, Jun-ho Moon, Se-jun Park, Jin-uk Shin, Byung-sung Kim 전영수, 문준호, 박세준, 신진욱, 김병성 J. Korean Inst. Electromagn. Eng. Sci. 2023;34(4):303-309. https://doi.org/10.5515/KJKIEES.2023.34.4.303 HTML PDF PubReader
논문/REGULAR PAPERS A 130-GHz Low-Area Power Amplifier in 40-nm CMOS 40 nm CMOS 공정을 이용한 130 GHz 저면적 전력 증폭기 Jaegwan Kim, Changjung Lee, Munkyo Seo 김재관, 이창중, 서문교 J. Korean Inst. Electromagn. Eng. Sci. 2023;34(4):310-316. https://doi.org/10.5515/KJKIEES.2022.34.4.310 HTML PDF PubReader	논문/REGULAR PAPERS Novel Design of Hollow Coils for TMS to Minimize the Heat without Reducing Magnetic Field Intensity 자기장 감소 없이 발열을 최소화한 경두개 자기 자극용 중공 코일의 설계 Sohom Bhattacharjee, Choon Sik Cho 소홈바타차지, 조춘식 J. Korean Inst. Electromagn. Eng. Sci. 2023;34(4):317-325. https://doi.org/10.5515/KJKIEES.2023.34.4.317 HTML PDF PubReader
단편논문/SHORT PAPER A Ka-Band Radar Receiver with Built-in X8 Multiplier 8체배기를 내장한 Ka 밴드 레이다 수신기 Chan-Jong Lee, Dong-Yeol Yang, Seuk-Won kang, Byung-Sung Kim 이찬종, 양동열, 강석원, 김병성 J. Korean Inst. Electromagn. Eng. Sci. 2023;34(4):326-329. https://doi.org/10.5515/KJKIEES.2022.34.4.326 HTML PDF PubReader

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TUTORIAL & REVIEW Frequency Interference, Analysis Method, and Application Examples of Sub-GHz Frequency Band 주파수 간섭의 이해, 분석 방법, Sub-GHz 주파수대역 적용 사례 Hyungoo Yoon, Byung-Jun Jang 윤현구, 장병준 J. Korean Inst. Electromagn. Eng. Sci. 2021;32(1):1-9. https://doi.org/10.5515/KJKIEES.2021.32.1.1 HTML PDF PubReader Last 3 months views: 488	논문/REGULAR PAPERS A Combined Approach of Classification and Regression for Oriented Object Detection of Missiles 유도무기 영상의 회전 객체 탐지를 위한 분류 및 회귀방법의 통합적 접근 Sukwon Jang, Jae-Min Baek, Min-Seok Kang 장석원, 백재민, 강민석 J. Korean Inst. Electromagn. Eng. Sci. 2021;32(12):1099-1107. https://doi.org/10.5515/KJKIEES.2021.32.12.1099 HTML PDF PubReader Last 3 months views: 461
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MOST CITED ARTICLE

논문/REGULAR PAPERS Development of Modeling & Simulation Tool for Long Range Radar Considering Operational Environment in Time Domain 시간 기반의 운용환경을 고려한 장거리 레이다 M&S 도구 개발 Myung-Hoon Park, Hyun-Seung Kim, Woo-Joong Jeon, Seung-Ki You, Se-Woong Kwon, Hyun-Wook Moon, Ki-Won Lee 박명훈, 김현승, 전우중, 유승기, 권세웅, 문현욱, 이기원 J. Korean Inst. Electromagn. Eng. Sci. 2019;30(7):591-602. https://doi.org/10.5515/KJKIEES.2019.30.7.591 HTML PDF PubReader Cited by 7	단편논문/SHORT PAPER Analysis of Radar Cross Section of the Integrated Mast Module for Battleship 함정용 통합 마스트의 레이다 단면적 분석 Hokeun Shin, Seokgon Lee, Dongmin Park, Jinwoo Shin, Myungsoo Chung, Sanghyun Park, Yong Bae Park 신호근, 이석곤, 박동민, 신진우, 정명수, 박상현, 박용배 J. Korean Inst. Electromagn. Eng. Sci. 2017;28(7):584-587. https://doi.org/10.5515/KJKIEES.2017.28.7.584 HTML PDF PubReader Cited by 7
단편논문/SHORT PAPER Implementation of Real-Time Direction Finding System Using Time-Modulated Array with Two Antenna Elements and One USRP 2개의 안테나 소자를 갖는 Time-Modulated Array와 하나의 USRP를 이용한 실시간 방향탐지 시스템의 구현 Sangjoon Lee, Hyungoo Yoon, Hosung Choo, Byung-Jun Jang 이상준, 윤현구, 추호성, 장병준 J. Korean Inst. Electromagn. Eng. Sci. 2017;28(4):347-350. https://doi.org/10.5515/KJKIEES.2017.28.4.347 HTML PDF PubReader Cited by 6	논문/REGULAR PAPERS Non-Foster Matching Circuit Design to Improve VHF- and UHF-Band Small Antenna Impedance Matching VHF 및 UHF 대역 소형 안테나 매칭성능 개선을 위한 비 포스터 정합회로 설계 Jong-Gyu Go, Jae-Young Chung 고종규, 정재영 J. Korean Inst. Electromagn. Eng. Sci. 2018;29(3):159-166. https://doi.org/10.5515/KJKIEES.2018.29.3.159 HTML PDF PubReader Cited by 5
논문/REGULAR PAPERS Design of Tile-Type Rx Phased-Array Antenna for Ku-Band Satellite Communications Ku 대역 위성통신용 타일형 수신 위상배열 안테나의 설계 Taehwan Joo, Kichul Kim, Jongwoo Seo 주태환, 김서종, 종우 J. Korean Inst. Electromagn. Eng. Sci. 2019;30(9):702-711. https://doi.org/10.5515/KJKIEES.2019.30.9.702 HTML PDF PubReader Cited by 5	논문/REGULAR PAPERS Performance Analysis of a LoRa Device on Duty Cycle Local Regulation of Korean RFID/USN Frequency Band 국내 RFID/USN 주파수 대역의 Duty Cycle 기술기준 하에서 LoRa 기기의 성능 분석 Hyungoo Yoon, Jungsun Um, Byung-Jun Jang 윤현구, 엄중선, 장병준 J. Korean Inst. Electromagn. Eng. Sci. 2017;28(2):113-119. https://doi.org/10.5515/KJKIEES.2017.28.2.113 HTML PDF PubReader Cited by 5
논문/REGULAR PAPERS Correction of Continuous Motion Effects for Airborne FMCW-SAR System 항공기 기반 FMCW-SAR 시스템의 연속이동효과 보정 Ji-hwan Hwang, Jungkyo Jung, Duk-jin Kim, Jin-Woo Kim, He-Sub Shin, Jae-Woo Ok 황지환, 정정교, 김덕진, 김진우, 신희섭, 옥재우 J. Korean Inst. Electromagn. Eng. Sci. 2017;28(5):410-418. https://doi.org/10.5515/KJKIEES.2017.28.5.410 HTML PDF PubReader Cited by 5	논문/REGULAR PAPERS Design of Polyphase Codes Using Simulated Annealing 시뮬레이티드 어닐링을 이용한 다중 위상 코드 설계 Eun-Hee Kim, Soo-Bum Kim, Seung-Su Han, Sang-Jin Shin, Sang-Rok Oh 김은희, 김수범, 한승수, 신상진, 오상록 J. Korean Inst. Electromagn. Eng. Sci. 2020;31(4):383-393. https://doi.org/10.5515/KJKIEES.2020.31.4.383 HTML PDF PubReader Cited by 5