Research Output

Publications

Name lab members · * corresponding author · † equal contribution

Submitted / In Preparation 12

  1. Optimal reference location determination for GNSS-resilient NR-NTN initial access

    S. Uoo†, J. Park†, J.-S. Lee, and D.-H. Jung*

    in preparation

  2. Efficient downlink interference analysis of LEO mega-constellations via satellite visibility

    J.-S. Lee and D.-H. Jung*

    in preparation

  3. Robust 3D rainbow beamforming in LEO satellite communications under imperfect CSI

    S. Lee, H. Cho, D.-H. Jung, M. Kim, J. S. Baik, H. Kim, J. Son, and J. Choi

    submitted to IEEE Transactions on Wireless Communications, Oct 2026

  4. Beamspace-transported neural warm start for sequential LEO RSMA rate matching with agentic demand adaptation

    S. Shin and D.-H. Jung*

    submitted to IEEE Journal on Selected Areas in Communications, Oct. 2026

  5. LEO satellite-enabled ISAC: AFDM-based joint angle–delay–doppler estimation

    M. Lee, H. S. Rou, A. L. Swindlehurst, B. Ottersten, D.-H. Jung*, and J. Choi*

    submitted to IEEE Transactions on Wireless Communications, Sep. 2026

  6. Rate-splitting multiple access with grouping for scalable satellite communication

    H. Cho, D.-H. Jung*, and J. Choi*

    submitted to IEEE Transactions on Wireless Communications, Aug. 2026

  7. Decoupled near-field channel estimation for movable antenna-enabled wideband systems

    S. Jang, H. Cho, and D.-H. Jung*

    submitted to IEEE Transactions on Wireless Communications, July 2026

  8. Non-terrestrial networks for 6G: 3GPP evolution and technical challenges

    D.-H. Jung, S. M. A. Rizvi, A. U. Khan, N.-K. Kim, J.-S. Lee, and H. Shin

    submitted to IEEE Communications Surveys and Tutorials, July 2026

  9. Reinforcement learning-based secure beamforming against satellite eavesdroppers

    J. Seo, H. Cho*, and D.-H. Jung*

    submitted to IEEE Transactions on Wireless Communications, June 2026

  10. Joint rate and power allocation for secrecy in artificial noise-aided ambient IoT networks

    N.-K. Kim†, J.-S. Lee†, G.-G. Lee, and D.-H. Jung*

    submitted to IEEE Communications Letters, Apr. 2026

  11. Challenge-response authentication for LEO satellite channels: Exploiting orbit-specific uniqueness

    J. Lee, S. Tomasin, and D.-H. Jung*

    submitted to IEEE Wireless Communications Magazine, Mar. 2026

  12. System-level evaluation of LEO satellite communications under service-driven traffic dynamics

    M. Lee†, D.-H. Jung†, S. Kim, H. Kim, and J. Choi

    submitted to IEEE Wireless Communications Magazine, Jan. 2026

Published 14

  1. Leveraging beam squint for increased LEO coverage: An optimization approach

    H. Cho, S. Lee, D.-H. Jung, D. J. Love, and J. Choi

    accepted to IEEE Transactions on Wireless Communications, Oct. 2026

  2. Analysis of beam misalignment effect in inter-satellite FSO links

    M. Kim, H. Nam, B. Ko, H. Park, H. Kim, D.-H. Jung, and J. Choi

    IEEE Transactions on Communications, vol. 74, pp. 14388-14401, Oct. 2026

  3. Wolfpack in orbit: The eavesdropping threat of satellite clusters

    G.-G. Lee and D.-H. Jung*

    IEEE Wireless Communications Letters, vol. 15, pp. 2674-2678, 2026

  4. Analyzing downlink coverage in clustered low Earth orbit satellite constellations: A stochastic geometry approach

    M. Lee, S. Kim, M. Kim, D.-H. Jung, and J. Choi

    IEEE Transactions on Communications, vol. 73, no. 11, pp. 12174-12188, Nov. 2025

  5. Modeling and analysis of hybrid GEO-LEO satellite networks

    D.-H. Jung, H. Nam, J. Choi, and D. J. Love

    IEEE Communications Letters, vol. 29, no. 9, pp. 2053-2057, Sep. 2025

  6. Rate-splitting for joint unicast and multicast transmission in LEO satellite networks with non-uniform traffic demand

    J. Seong, J. Park, D.-H. Jung, J. Park, and W. Shin

    IEEE Journal on Selected Areas in Communications, vol. 43, no. 1, pp. 122-138, Jan. 2025

  7. Modeling and analysis of GEO satellite networks

    D.-H. Jung, H. Nam, J. Choi, and D. J. Love

    IEEE Transactions on Wireless Communications, vol. 23, no. 11, pp. 16757-16770, Nov. 2024

  8. Satellite clustering for non-terrestrial networks: Orbital configuration-dependent outage analysis

    D.-H. Jung, J.-G. Ryu, and J. Choi

    IEEE Wireless Communications Letters, vol. 13, no. 2, pp. 550-554, Feb. 2024

  9. Satellite clustering for non-terrestrial networks: Concept, architectures, and applications

    D.-H. Jung, G. Im, J.-G. Ryu, S. Park, H. Yu, and J. Choi

    IEEE Vehicular Technology Magazine, vol. 18, no. 3, pp. 29-37, Sep. 2023

  10. When satellites work as eavesdroppers

    D.-H. Jung, J.-G. Ryu, and J. Choi

    IEEE Transactions on Information Forensics and Security, vol. 17, pp. 2784-2799, 2022

  11. Performance analysis of DSSS- and CSS-based physical layer for IoT transmission over LEO satellites

    S. Jung, G. Im, D.-H. Jung, P. Kim, J.-G. Ryu, and J. Kang

    ETRI Journal, vol. 44, pp. 543-559, Aug. 2022

  12. Performance analysis of satellite communication system under the shadowed-Rician fading: A stochastic geometry approach

    D.-H. Jung, J.-G. Ryu, W.-J. Byun, and J. Choi

    IEEE Transactions on Communications, vol. 70, no. 4, pp. 2707-2721, Apr. 2022

  13. Energy beamforming for full-duplex wireless powered cooperative communications

    J. Seo and D.-H. Jung

    Wireless Personal Communications, vol. 112, pp. 2275-2284, June 2020

  14. Fairness-based superframe design and resource allocation for dynamic rate adaptation in DVB-RCS2 satellite systems

    D.-H. Jung, M.-S. Shin, and J.-G. Ryu

    IEEE Communications Letters, vol. 23, no. 11, pp. 2046-2049, Nov. 2019

Domestic Journals 1

  1. 다중 빔 위성 통신 시스템을 위한 공평성 기반 빔 대역폭 할당

    정동현, 유준규

    한국정보통신학회논문지, vol.24, no. 12, pp. 1632-1638, Aug. 2020

International Conferences 23

  1. Topology-induced heterogeneous phase errors in distributed MIMO over networked LEO satellites downlink analysis and phase-error-aware power allocation

    T.-H. Yoon, D.-H. Jung, and C.-G. Kang

    IEEE Consumer Communications & Networking Conference (CCNC), Jan. 2027

  2. LLM-assisted search steering for successive best response in multi-satellite LEO beam hopping and cell association

    H. Y. Jeong, T. H. Yoon, F. D. Tilahun, D.-H. Jung, and C. G. Kang

    International Conference on Information and Communication Technology Convergence (ICTC), Oct. 2026

  3. Networking the space data center: Requirements, use cases, and physical limits

    D.-H. Jung and C. G. Kang

    International Conference on Information and Communication Technology Convergence (ICTC), Oct. 2026

  4. Closed-form analysis of satellite visibility for LEO walker constellations

    J.-S. Lee and D.-H. Jung

    International Conference on Information and Communication Technology Convergence (ICTC), Oct. 2026

  5. A resource allocation framework for cell association and beam hopping with hybrid beamforming in dense multi-satellite LEO systems

    T. H. Yoon, D.-H. Jung, and C. G. Kang

    IEEE Global Communications Conference (GLOBECOM), Dec. 2026

  6. Geometry-aware pointing error channel modeling for optical inter-satellite links

    M. Kim, H. Park, D.-H. Jung, G. Im, J.-G. Ryu, and J. Choi

    IEEE Vehicular Technology Conference (VTC), Sep. 2026

  7. Statistical characterization of misaligned FSO links in SWaP-limited CubeSat constellations

    M. Kim, H. Nam, B. Ko, H. Park, H. Kim, D.-H. Jung, and J. Choi,

    Asia-Pacific International Symposium on Aerospace Technology (APISAT), Oct. 2025

  8. A Modeling framework for GEO-LEO hybrid satellite networks

    D.-H. Jung, H. Nam, and J. Choi

    International Conference on Information and Communication Technology Convergence (ICTC), Oct. 2025

  9. Joint unicast and multicast transmission for LEO satellite networks with non-uniform traffic demands: A rate-splitting approach

    J. Seong, J. Park, D.-H. Jung, J. Park, and W. Shin

    IEEE Global Communications Conference (GLOBECOM), Dec. 2024

  10. UV-plane beam mapping for non-terrestrial networks in 3GPP system-level simulations

    D.-H. Jung, S. Kim, M. Lee, J.-G. Ryu, and J. Choi

    Asia-Pacific Conference on Communications (APCC), Nov. 2024

  11. Coverage analysis of GEO satellite networks

    D.-H. Jung, H. Nam, and J. Choi

    International Symposium on Modeling and Optimization in Mobile, Ad hoc, and Wireless Networks (WiOpt), Oct. 2024

  12. Conversion of coordinate system in 3GPP channel model

    S. Kim, D.-H. Jung, M. Lee, J.-G. Ryu, and J. Choi

    International Conference on Information and Communication Technology Convergence (ICTC), Oct. 2024

  13. Performance analyses of satellite cluster system in mega-constellations

    M. Lee, S. Kim, M. Kim, D.-H. Jung, and J. Choi

    IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Sep. 2024

  14. Empowering user capabilities via non-orthogonal multiple access in 3GPP non-terrestrial networks

    G. Im, D.-H. Jung, J.-B. Kim, and J.-G. Ryu

    International Conference on Information and Communication Technology Convergence (ICTC), Oct. 2023

  15. Simulations of chirp spread spectrum for LEO satellite communications

    G. Im, P. Kim, D.-H. Jung, S. Jung, and J. G. Ryu

    Ka and Broadband Communications Conference (KA-CONF), Oct. 2022

  16. Regression based pilot design for Doppler effect estimation and compensation in LEO satellite communication with LoRa

    J. Kang, G. Im, D.-H. Jung, S. Jung, J.-B. Kim, P. Kim, and J. G. Ryu

    Asia-Pacific Conference on Communications (APCC), Oct. 2022

  17. Enhancing the connectivity of satellite IoT devices in terrestrial-non terrestrial integrated networks based on the stackelberg game approach

    G. Im, D.-H. Jung, and J.-G. Ryu

    International Conference on Information and Communication Technology Convergence (ICTC), Oct. 2020

  18. Adaptive coding and modulation (ACM) and power control scheme for return links of DVB-RCS2 satellite communication systems

    D.-H. Jung, M.-S. Shin, and J.-G. Ryu

    International Communications Satellite Systems Conference (ICSSC), Nov. 2019

  19. Performance analysis in interference canceller for shared band satellite transmission

    S. Jung, D.-H. Jung, and J.-G. Ryu

    International Conference on Information and Communication Technology Convergence (ICTC), Oct. 2019

  20. Performance analysis of direct sequence spread spectrum Aloha for LEO satellite IoT system

    P. Kim, S. Jung, D.-H. Jung, J.-G. Ryu, and D.-G. Oh

    IEEE Vehicular Technology Conference (VTC), Sep. 2019

  21. Performance analysis of spread spectrum aloha scheme for LEO satellite IoT service

    P. Kim, D.-H. Jung, J.-G. Ryu, and D.-G. Oh

    Joint Conference on Satellite Communications (JC-SAT), Oct. 2018

  22. Outage performance of shared-band on-board processing satellite communication system

    D.-H. Jung and D.-G. Oh

    IEEE Vehicular Technology Conference (VTC), Aug. 2018

  23. Secrecy performance of full-duplex relay system with randomly located eavesdroppers

    D.-H. Jung and J. H. Lee

    IEEE Vehicular Technology Conference (VTC), Sep. 2017

Domestic Conferences 22

  1. Walker Constellation 기반 위성망의 시스템 성능 평가를 위한 위성 가시성 분석에 관한 연구

    이지석, 정동현

    한국통신학회 하계종합학술대회, June 2026

  2. AI 기반 빔호핑 위성 연구 동향 조사

    김남건, 정동현

    한국통신학회 하계종합학술대회, June 2026

  3. 서비스 기반 트래픽 변화를 고려한 저궤도 위성통신 시스템 수준 성능 평가

    정동현, 이미연, 김수철, 김환진, 최준일

    통신정보 합동학술대회(JCCI), Apr. 2026

  4. 빔 편이를 활용한 저궤도 위성 커버리지 증대 기법

    조혜상, 이승기, 정동현, 최준일

    통신정보 합동학술대회(JCCI), Apr. 2026

  5. 위성 클러스터의 궤도 의존적 통신 성능 분석

    정동현, 유준규, 최준일

    한국통신학회 추계종합학술발표회, Nov. 2023

  6. 6G 위성통신을 위한 다중 위성 전송 기술

    정동현, 임경래, 유준규, 박승근

    한국전자파학회 하계종합학술대회, Aug. 2022

  7. 해양 재해 예측을 위성 IoT 데이터 활용 방법

    김진아, 유준규, 정동현

    한국전자파학회 하계종합학술대회, Aug. 2022

  8. 잡음이 없는 저궤도 위성 LoRa 시스템에서 도플러 효과 완벽 억제

    강진호, 임경래, 정동현, 정수엽, 김중빈, 김판수, 유준규

    한국전자파학회 하계종합학술대회, Aug. 2022

  9. 세계 5G 및 6G 위성 시장 동향분석

    유종상, 유준규, 김판수, 임경래, 정동현, 김중빈

    한국통신학회 동계종합학술발표회, Feb. 2022

  10. 5G/6G 생태계에서 인공 위성 시장의 동향

    이준석, 유준규, 김판수, 임경래, 정동현, 김중빈

    한국통신학회 동계종합학술발표회, Feb. 2022

  11. 수직 이종 네트워크 모델링 및 시뮬레이션

    정동현, 유준규

    대한전자공학회 학술심포지움, Dec. 2021

  12. 3GPP NTN 표준을 위한 주파수 동기 방식

    김판수, 임경래, 김중빈, 정동현, 유준규

    한국전자파학회 하계종합학술대회, Aug. 2021

  13. 비지상네트워크를 위한 3GPP NB-IoT/eMTC RAN 1표준화 동향

    임경래, 정동현, 정수엽, 김판수, 유준규

    한국전자파학회 하계종합학술대회, Aug. 2021

  14. 비지상 네트워크를 위한 5G 표준화 시간 관계 이슈

    정동현, 유준규, 변우진

    한국전자파학회 하계종합학술대회, Aug. 2021

  15. 저궤도 위성 기반 글로벌 IoT 서비스 시나리오

    정수엽, 김판수, 임경래, 정동현, 유준규

    한국전자파학회 하계종합학술대회, Aug. 2021

  16. 초소형 저궤도 위성에 적합한 개선된 웨이브폼 기술

    김판수, 임경래, 정수엽, 정동현, 유준규

    통신정보 합동학술대회(JCCI), Apr. 2021

  17. DVB-RCS2 기반 위성 통신 시스템에서 그물망 토폴로지를 위한 동적 연결 프로토콜

    정동현, 신민수, 유준규

    한국항공우주학회 추계학술대회, Nov. 2020

  18. 비지상 네트워크를 위한 5G 표준화 상위 계층 이슈

    정동현, 신민수, 유준규

    한국전자파학회 하계종합학술대회, Aug. 2020

  19. 비지상망 입체통신을 위한 CSS 기반 위성 IoT 시뮬레이터 개발

    임경래, 정동현, 정수엽, 김판수, 유준규

    한국전자파학회 동계 합학술대회, Feb. 2020

  20. DVB-RCS2 위성 통신 시스템의 공평성 기반 자원 할당 기법 설계

    정동현, 신민수, 유준규

    한국전자파학회 하계종합학술대회, Aug. 2019

  21. DVB-RCS2 기반 위성 통신 시스템의 리턴 링크 수퍼프레임 결정 기법 설계

    정동현, 신민수, 유준규

    한국위성정보통신학회 학술대회, Dec. 2018

  22. DVB-RCS2 기반 위성 통신 시스템의 리턴 링크 ACM 및 전력 제어 기법 설계

    정동현, 신민수, 유준규

    한국전자파학회 추계종합학술대회, Nov. 2018

US Granted Patents 4

  1. Satellite communication method and apparatus for internet of things communication

    G. R. Im, P. S. Kim, J. G. Ryu, D. H. Jung, and S. Y. Jung

    U.S. Patent 12 494 885 B2, Dec. 9, 2025

  2. Method and apparatus for timing control in wireless communication system

    J. B. Kim, P. S. Kim, and D. H. Jung

    U.S. Patent 12 114 280 B2, Oct. 8, 2024

  3. Method and apparatus for channel state information feedback in communication system

    J. B. Kim and D. H. Jung

    U.S. Patent 11 870 567 B2, Jan. 9, 2024

  4. Method and apparatus for receiving wireless signal in wireless communication system

    S. Y. Jung, P. S. Kim, J. G. Ryu, G. R. Im, and D. H. Jung

    U.S. Patent 11 496 348 B2, Nov. 8, 2022

US Filed Patents 3

  1. Method and device for transmitting synchronization signal block in non-terrestrial network communication system

    G. R. Im, J. B. Kim, P. S. Kim, M. S. Shin, I. K. Lee, D. H. Jung, S. Y. Jung, S. K. Park, and J. G. Ryu

    U.S. Patent Appl. 20250031162A1, Jan. 23, 2025

  2. Method for generating and transmitting synchronous signal block in non-terrestrial network, and device therefor

    G. R. IM, J. B. Kim, P. S. Kim, M. S. Shin, I. K. Lee, D. H. Jung, S. Y. Jung, S. K. Park, and J. G. Ryu

    U.S. Patent Appl. 20250023682A1, Jan. 16, 2025

  3. Satellite cluster system

    D. H. Jung, G. R. Im, and J. G. Ryu

    U.S. Patent Appl. 20230137974A1, Nov. 1, 2023