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

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About The Journal of Korean Institute of Electromagnetic Engineering and Science

The Journal of Korean Institiute of Electromagnetic Engineering and Science (JKIEES) was launched in 1996 and has been published monthly by the Korean Institute of Electromagnetic Engineering and Science (KIEES). Since 2004 JKIEES was approved by NRF Korea to be indexed in Korea Citation Index (KCI). It is also indexed or abstraced in DOI/CrossRef, Google Scholar, EBSCO. For a period of 24 years, a total of 4,001 excellent papers have been published in JKIEES.
특집논문/SPECIAL EDITION

Jul 31, 2024

Review of Legal and Regulatory Frameworks of Geostationary and Non-Geostationary Satellite Networks
정지궤도와 비정지궤도 위성망 법/제도 검토에 관한 연구

Ho-Jin Lee, Sung-Yong Hong, Il-Kyoo Lee 이호진, 홍성용, 이일규

J. Korean Inst. Electromagn. Eng. Sci. 2024;35(7):521-527.
https://doi.org/10.5515/KJKIEES.2024.35.7.521

This study reviewed the legal and regulatory improvements implemented by the International Telecommunication Union (ITU) and major countries in response to the evolving radio environments due to the increase in the number of non-geostationary satellite networks. In addition, domestic regulations, such as the radio waves act and radio regulations related to geostationary and non-geostationary satellite networks, were examined. The proposed improvements to these regulations are discussed, considering the technical characteristics of satellite net...
논문/REGULAR PAPER

Jul 31, 2024

Self-Interference Cancellation Technology Using Symmetrical Delay Line-Based Ladder Structure RF-FIR Filter
대칭형 지연 선로 기반 사다리 구조의 RF-FIR 필터를 이용한 자기 간섭 신호 제거 기술

Daju Lee, Chang-Sik Bae, Jong-Wha Song, Sung-Tai Kim, Juntaek Oh 이다주, 배창식, 송종화, 김성태, 오준택

J. Korean Inst. Electromagn. Eng. Sci. 2024;35(7):528-534.
https://doi.org/10.5515/KJKIEES.2024.35.7.528

This paper presents the design results for a self-interference canceller (SIC) based on a symmetric delay-line radio frequency finite impulse response (RF-FIR) filter with a ladder structure. The proposed SIC effectively removes self-interference signals in the receiver caused by the low isolation of the circulator applied to the monostatic radar front end and the impedance mismatch of the antenna. Consequently, it enhances the isolation between the transmitter and receiver. The proposed filter consists of six taps with adjustable sizes and pha...
논문/REGULAR PAPER

Jul 31, 2024

Modular Design of Multi-Functional Transmit-Array Antenna for X-Band
X-대역 다기능 투과배열 안테나 모듈화 설계

In-Gon Lee, Jin-Seong Roh, Cheol-Su Park, Jong-Gwan Yook 이인곤, 노진성, 박철수, 육종관

J. Korean Inst. Electromagn. Eng. Sci. 2024;35(7):535-545.
https://doi.org/10.5515/KJKIEES.2024.35.7.535

In this paper, a multifunctional transmit-array antenna with beam steering and polarization conversion capabilities for the X-band is presented. The proposed design offers advantages in terms of scalability, faster development and deployment, and ease of maintenance owing to its modular design, which is configured by a receiver, an active circuit, a DC bias control line, and a transmitter. The proposed design is capable of 2D beam scanning of up to ±45° for azimuth and elevation while converting vertical or horizontal polarization by electro...
논문/REGULAR PAPER

Jul 31, 2023

Design of a 4×4 Beam-Splitting Patch Antenna for Ku-Band Wave Detection Radar Utilizing Magic-T Multi-Port Feeding
Magic-T 멀티 포트 급전을 이용한 Ku-Band 파도 탐지 레이다용 4×4 빔 분할 패치 안테나의 설계

Seung-Woo Yi, Kyeong-Sik Min, You-Seok Yeoh 이승우, 민경식, 여유석

J. Korean Inst. Electromagn. Eng. Sci. 2024;35(7):546-554.
https://doi.org/10.5515/KJKIEES.2024.35.7.546

This study presents the design of a beam-splitting antenna using a magic-T feeding structure for wave detection radar systems. The proposed antenna demonstrates a technique for forming three different beams feeding at the three ports using a single-layer substrate. The strong coupling that occurs between the three ports is owing to the use of a single-layer substrate. An optimal arrangement of the slot lines located on the ground plane was designed to address this issue, achieving excellent isolation with values below -20 dB. The measured refle...
논문/REGULAR PAPER

Jul 31, 2024

3.4~4.4 GHz High-Efficiency Asymmetric Doherty Power Amplifier Using Virtual Short-Stub and Complex Combining Load
Virtual Short-Stub와 Complex Combining Load를 이용한 3.4~4.4 GHz 고효율 비대칭 도허티 전력증폭기 설계

Yunhwan Lee, Jaeseong Song, Youngoo Yang 이윤환, 송재성, 양영구

J. Korean Inst. Electromagn. Eng. Sci. 2024;35(7):555-562.
https://doi.org/10.5515/KJKIEES.2024.35.7.555

In this study, a virtual short stub (VS) and complex combining load (CCL) are applied together to extend the output power back-off (OBO) of a Doherty power amplifier. To design a wider frequency range, the output matching network of the amplifier is constructed using an L-section structure, including the internal parasitic components of the transistor. The impedances of the transistor within the 2 dB power contour can be incorporated. In addition, an asymmetric structure is adopted to compensate for the relative lack of current in the peaking p...
논문/REGULAR PAPER

Jul 31, 2024

Economic Impact of the Unlicensed Spectrum Management Focusing on the Revision of Technical Requirements
비면허 주파수 관리 정책의 경제적 파급효과: 기술기준 개정을 중심으로

Hee Sub Byun 변희섭

J. Korean Inst. Electromagn. Eng. Sci. 2024;35(7):563-575.
https://doi.org/10.5515/KJKIEES.2024.35.7.563

Considering the growth potential of ultra wide band (UWB), the government revised the technical requirements in November 2022 to enable services to use the technology through mobile communication devices such as smartphones. This study estimates the economic impact of an unlicensed spectrum management policy by analyzing cases of technical requirement revisions. Through inter-industry analysis, the revision of technical requirements is expected to induce a production effect of KRW 7.1787 trillion and an added-value effect of KRW 2.2151 trillion...
논문/REGULAR PAPER

Jul 31, 2024

Effects of Compressor Characteristics in Outdoor Air Conditioner Units on Common-Mode Emission Noise
에어컨 실외기 시스템에서 압축기 특성이 공통 모드 전도 방출 노이즈에 미치는 영향

Sangwon Chung, In-Seop Kim, Junhee Han, Wansoo Nah 정상원, 김인섭, 한준희, 나완수

J. Korean Inst. Electromagn. Eng. Sci. 2024;35(7):576-584.
https://doi.org/10.5515/KJKIEES.2024.35.7.576

This study analyzes how the impedance characteristics of compressors in outdoor air conditioner units affect the common-mode emission noise. The findings reveal that a higher impedance in compressors substantially reduces common-mode noise levels, indicating that the impedance characteristics of compressors play a crucial role in enhancing the electromagnetic compatibility (EMC). These findings highlights a new approach for effectively managing conducted emission noise in the design and improvement of outdoor air conditioner systems, offering v...
논문/REGULAR PAPER

Jul 31, 2024

Finding Fault Injection Location via Evaluation of Electromagnetic Emission from Cryptographic ICs
암호 회로로부터 방출된 전자파 평가를 통한 오류 주입 위치 탐색

Keon-Hee Choi, Ju-Hwan Kim, Jaesueng Han, Dong-Guk Han 최건희, 김주환, 한재승, 한동국

J. Korean Inst. Electromagn. Eng. Sci. 2024;35(7):585-594.
https://doi.org/10.5515/KJKIEES.2024.35.7.585

EM(Electromagnetic) fault injection requires finding parameters such as timing, intensity, and location to cause the intended fault. Previously, iterative EM fault-injection experiments were conducted to determine the parameters that cause the intended error. However, this is time consuming and requires the replacement of several target devices owing to permanent faults during the experiment. This study identifies the location of vulnerable circuits from the EM emitted when the target algorithm is operating and analyzes their relationship with ...
논문/REGULAR PAPER

Jul 31, 2024

Study of Two-Target Elevation Estimation Techniques Using Refined ML in a Multipath Environment
다중 경로 환경에서 Refined ML을 이용한 두 표적 고각 추정 기법 연구

Ji-Won Kim, Jong-Sung Kang, Jaehyun Park, Minkyu Park, Wooyong Yang 김지원, 강종성, 박재현, 박민규, 양우용

J. Korean Inst. Electromagn. Eng. Sci. 2024;35(7):595-603.
https://doi.org/10.5515/KJKIEES.2024.35.7.595

Active adaptation to various types of interference from the ground surface is critical for accurately tracking the angles of objects flying at low altitudes. Among the angle-estimation algorithms used in multipath environments, the refined maximum likelihood (ML) technique has been actively investigated. However, it suffers from performance degradation when multiple targets or interference signals exist. In addition, computational complexity increases exponentially as the number of parameters estimated using the refined ML technique increases w...
단편논문/SHORT PAPER

Jul 31, 2024

Ultra-Wideband Vivaldi Array Antenna for Active Phased Array Radar
능동위상배열레이다용 초광대역 비발디 배열 안테나

Jun Hee Kim, In-Gon Lee, Seung Eui Lee, Young Seok Bae, Keum Cheol Hwang 김준희, 이인곤, 이승의, 배영석, 황금철

J. Korean Inst. Electromagn. Eng. Sci. 2024;35(7):604-607.
https://doi.org/10.5515/KJKIEES.2024.35.7.604

In this study, we propose a broadband Vivaldi array antenna with an improved active reflection coefficient covering the X-band and Ku-band. The proposed Vivaldi antenna incorporates corrugation slots and sliced notched structure to achieve broadband characteristics. By eliminating the parallel-plate mode using a decoupling wall, the mutual coupling between adjacent elements is reduced, and the active reflection coefficient is enhanced. The measured active reflection coefficient is below 6 dB within the operating frequency range. The 5×5 arra...
단편논문/SHORT PAPER

Jul 31, 2024

GaN HEMT Power Amplifier for S-Band 2nd Harmonic-Based Target Detection Radar
2차 고조파 기반 표적 탐지 레이다용 S-대역 GaN HEMT 전력 증폭기

Dana Moon, Jisu Kim, Daju Lee, Juntaek Oh 문단아, 김지수, 이다주, 오준택

J. Korean Inst. Electromagn. Eng. Sci. 2024;35(7):608-611.
https://doi.org/10.5515/KJKIEES.2024.35.7.608

This paper presents an S-band power amplifier (PA) operating in the 2.9~3.2 GHz range for 2nd harmonic-based target detection radar. The input and output matching networks utilize transmission lines and λ/4 open stubs at 2nd harmonic frequencies to effectively match the load impedance to the optimal power matching contours at fundamental frequencies while achieving high 2nd harmonic suppression characteristics. This design achieves these goals without simultaneously introducing additional insertion losses at...

CURRENT ISSUE: Jul 2024, Vol. 35 , No. 7

특집논문/SPECIAL EDITION Review of Legal and Regulatory Frameworks of Geostationary and Non-Geostationary Satellite Networks 정지궤도와 비정지궤도 위성망 법/제도 검토에 관한 연구 Ho-Jin Lee, Sung-Yong Hong, Il-Kyoo Lee 이호진, 홍성용, 이일규 J. Korean Inst. Electromagn. Eng. Sci. 2024;35(7):521-527. https://doi.org/10.5515/KJKIEES.2024.35.7.521 HTML PDF PubReader	논문/REGULAR PAPER Self-Interference Cancellation Technology Using Symmetrical Delay Line-Based Ladder Structure RF-FIR Filter 대칭형 지연 선로 기반 사다리 구조의 RF-FIR 필터를 이용한 자기 간섭 신호 제거 기술 Daju Lee, Chang-Sik Bae, Jong-Wha Song, Sung-Tai Kim, Juntaek Oh 이다주, 배창식, 송종화, 김성태, 오준택 J. Korean Inst. Electromagn. Eng. Sci. 2024;35(7):528-534. https://doi.org/10.5515/KJKIEES.2024.35.7.528 HTML PDF PubReader
논문/REGULAR PAPER Modular Design of Multi-Functional Transmit-Array Antenna for X-Band X-대역 다기능 투과배열 안테나 모듈화 설계 In-Gon Lee, Jin-Seong Roh, Cheol-Su Park, Jong-Gwan Yook 이인곤, 노진성, 박철수, 육종관 J. Korean Inst. Electromagn. Eng. Sci. 2024;35(7):535-545. https://doi.org/10.5515/KJKIEES.2024.35.7.535 HTML PDF PubReader	논문/REGULAR PAPER Design of a 4×4 Beam-Splitting Patch Antenna for Ku-Band Wave Detection Radar Utilizing Magic-T Multi-Port Feeding Magic-T 멀티 포트 급전을 이용한 Ku-Band 파도 탐지 레이다용 4×4 빔 분할 패치 안테나의 설계 Seung-Woo Yi, Kyeong-Sik Min, You-Seok Yeoh 이승우, 민경식, 여유석 J. Korean Inst. Electromagn. Eng. Sci. 2024;35(7):546-554. https://doi.org/10.5515/KJKIEES.2024.35.7.546 HTML PDF PubReader
논문/REGULAR PAPER 3.4~4.4 GHz High-Efficiency Asymmetric Doherty Power Amplifier Using Virtual Short-Stub and Complex Combining Load Virtual Short-Stub와 Complex Combining Load를 이용한 3.4~4.4 GHz 고효율 비대칭 도허티 전력증폭기 설계 Yunhwan Lee, Jaeseong Song, Youngoo Yang 이윤환, 송재성, 양영구 J. Korean Inst. Electromagn. Eng. Sci. 2024;35(7):555-562. https://doi.org/10.5515/KJKIEES.2024.35.7.555 HTML PDF PubReader	논문/REGULAR PAPER Economic Impact of the Unlicensed Spectrum Management Focusing on the Revision of Technical Requirements 비면허 주파수 관리 정책의 경제적 파급효과: 기술기준 개정을 중심으로 Hee Sub Byun 변희섭 J. Korean Inst. Electromagn. Eng. Sci. 2024;35(7):563-575. https://doi.org/10.5515/KJKIEES.2024.35.7.563 HTML PDF PubReader
논문/REGULAR PAPER Effects of Compressor Characteristics in Outdoor Air Conditioner Units on Common-Mode Emission Noise 에어컨 실외기 시스템에서 압축기 특성이 공통 모드 전도 방출 노이즈에 미치는 영향 Sangwon Chung, In-Seop Kim, Junhee Han, Wansoo Nah 정상원, 김인섭, 한준희, 나완수 J. Korean Inst. Electromagn. Eng. Sci. 2024;35(7):576-584. https://doi.org/10.5515/KJKIEES.2024.35.7.576 HTML PDF PubReader	논문/REGULAR PAPER Finding Fault Injection Location via Evaluation of Electromagnetic Emission from Cryptographic ICs 암호 회로로부터 방출된 전자파 평가를 통한 오류 주입 위치 탐색 Keon-Hee Choi, Ju-Hwan Kim, Jaesueng Han, Dong-Guk Han 최건희, 김주환, 한재승, 한동국 J. Korean Inst. Electromagn. Eng. Sci. 2024;35(7):585-594. https://doi.org/10.5515/KJKIEES.2024.35.7.585 HTML PDF PubReader
논문/REGULAR PAPER Study of Two-Target Elevation Estimation Techniques Using Refined ML in a Multipath Environment 다중 경로 환경에서 Refined ML을 이용한 두 표적 고각 추정 기법 연구 Ji-Won Kim, Jong-Sung Kang, Jaehyun Park, Minkyu Park, Wooyong Yang 김지원, 강종성, 박재현, 박민규, 양우용 J. Korean Inst. Electromagn. Eng. Sci. 2024;35(7):595-603. https://doi.org/10.5515/KJKIEES.2024.35.7.595 HTML PDF PubReader	단편논문/SHORT PAPER Ultra-Wideband Vivaldi Array Antenna for Active Phased Array Radar 능동위상배열레이다용 초광대역 비발디 배열 안테나 Jun Hee Kim, In-Gon Lee, Seung Eui Lee, Young Seok Bae, Keum Cheol Hwang 김준희, 이인곤, 이승의, 배영석, 황금철 J. Korean Inst. Electromagn. Eng. Sci. 2024;35(7):604-607. https://doi.org/10.5515/KJKIEES.2024.35.7.604 HTML PDF PubReader
단편논문/SHORT PAPER GaN HEMT Power Amplifier for S-Band 2nd Harmonic-Based Target Detection Radar 2차 고조파 기반 표적 탐지 레이다용 S-대역 GaN HEMT 전력 증폭기 Dana Moon, Jisu Kim, Daju Lee, Juntaek Oh 문단아, 김지수, 이다주, 오준택 J. Korean Inst. Electromagn. Eng. Sci. 2024;35(7):608-611. https://doi.org/10.5515/KJKIEES.2024.35.7.608 HTML PDF PubReader

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튜토리얼 및 리뷰/TUTORIAL & REVIEW Principles and Trends of UWB Positioning Technology UWB 측위기술의 원리 및 동향 Byung-Jun Jang 장병준 J. Korean Inst. Electromagn. Eng. Sci. 2022;33(1):1-11. https://doi.org/10.5515/KJKIEES.2022.33.1.1 HTML PDF PubReader Cited by 13	특집논문/SPECIAL EDITION Direction Finding Technology: Tutorial, Review, and Research Prospects 방향탐지기술: 튜토리얼, 최신동향 및 연구전망 Byung-Jun Jang 장병준 J. Korean Inst. Electromagn. Eng. Sci. 2019;30(8):607-617. https://doi.org/10.5515/KJKIEES.2019.30.8.607 HTML PDF PubReader Cited by 9
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 8	논문/REGULAR PAPERS Design of L-Band-Phased Array Radar System for Space Situational Awareness 우주감시를 위한 L-Band 위상배열레이다 시스템 설계 Jonghyun Lee, Eun Jung Choi, Hyun-Wook Moon, Joontae Park, Sungki Cho, Jang Hyun Park, Jung Hyun Jo 이종현, 최은정, 문현욱, 박준태, 조성기, 최은정, 조중현 J. Korean Inst. Electromagn. Eng. Sci. 2018;29(3):214-224. https://doi.org/10.5515/KJKIEES.2018.29.3.214 HTML PDF PubReader Cited by 7
논문/REGULAR PAPERS Measurement Method for Monostatic Radar Cross Section of a Scaled Aircraft Model in Non-Anechoic Environment 비 챔버 환경에서의 항공기 축소 모형에 대한 모노스태틱 레이다 단면적 측정 방법 Yeong-Hoon Noh, Chan-Sun Park, Ki-Jung Kim, Youn-Hui Jang, Jong-Gwan Yook 노영훈, 박찬선, 김기중, 장윤희, 육종관 J. Korean Inst. Electromagn. Eng. Sci. 2019;30(7):583-590. https://doi.org/10.5515/KJKIEES.2019.30.7.583 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
논문/REGULAR PAPERS Accuracy Analysis of 2-D Direction Finding Based on Phase Comparison 위상비교 방식을 이용한 2차원 방향탐지 정확도 분석 Myoung-Ho Chae 채명호 J. Korean Inst. Electromagn. Eng. Sci. 2017;28(8):653-660. https://doi.org/10.5515/KJKIEES.2017.28.8.653 HTML PDF PubReader Cited by 7	논문/REGULAR PAPERS A Study of Dual Channel Side-Lobe Blanking Beam Pattern Formation Optimized for Digital Active Phased Array Antennas of Multi-Function Radar Systems 다기능 레이다의 디지털 능동 위상 배열 안테나에 최적화된 이중 채널 부엽 차단 빔 패턴 형성에 관한 연구 JoungMyoung Joo, JaeMin Lee, Jongkuk Park, Hyung-Suk Jin, Yeon-Duk Kang, Il-Tak Han, Doo-Soo Kim, Dong-Kook Lee 주정명, 이재민, 박종국, 진형석, 강연덕, 한일탁, 김두수, 이동국 J. Korean Inst. Electromagn. Eng. Sci. 2020;31(1):62-71. https://doi.org/10.5515/KJKIEES.2020.31.1.62 HTML PDF PubReader Cited by 7