Satellite Clustering for Non-Terrestrial Networks: Orbital Configuration-Dependent Outage Analysis - Dong-Hyun Jung; Joon-Gyu Ryu; Junil Choi (IEEE Wirel. Commun. Lett., 2024)

UV-Plane Beam Mapping for Non-Terrestrial Networks in 3GPP System-Level Simulations - Dong-Hyun Jung; Sucheol Kim; Miyeon Lee; Joon-Gyu Ryu; Junil Choi (29th IEEE Asia Pacific Conference on Communications, APCC 2024, Bali, Indonesia, November 5-7, 2024, 2024)

Intelligent UAV and LEO-Assisted Edge Computing Systems for Real-Time IoT Applications - Sooyeob Jung; Joon-Gyu Ryu; Seongah Jeong; Jinkyu Kang; Joonhyuk Kang (International Conference on Electronics, Information, and Communication, ICEIC 2024, Taipei, Taiwan, January 28-31, 2024, 2024)

Conversion of Coordinate System in 3GPP Channel Model - Sucheol Kim; Dong-Hyun Jung; Miyeon Lee; Joon-Gyu Ryu; Junil Choi (15th International Conference on Information and Communication Technology Convergence, ICTC 2024, Jeju Island, Republic of Korea, October 16-18, 2024, 2024)

Support of Broadcast Service in NTN - Hee Wook Kim; Joon-Gyu Ryu (15th International Conference on Information and Communication Technology Convergence, ICTC 2024, Jeju Island, Republic of Korea, October 16-18, 2024, 2024)

Beam-Hopping Strategy for Efficient Resource Usage in 3GPP Non-Terrestrial Networks - Gyeongrae Im; Jung-Bin Kim; Joon-Gyu Ryu (15th International Conference on Information and Communication Technology Convergence, ICTC 2024, Jeju Island, Republic of Korea, October 16-18, 2024, 2024)

LR-FHSS Transceiver for Direct-to-Satellite IoT Communications: Design, Implementation, and Verification - Sooyeob Jung; Seongah Jeong; Jinkyu Kang; Gyeongrae Im; Sangjae Lee; Mi-Kyung Oh; Joon-Gyu Ryu; Joonhyuk Kang (CoRR, 2024)

UV-Plane Beam Mapping for Non-Terrestrial Networks in 3GPP System-Level Simulations - Dong-Hyun Jung; Sucheol Kim; Miyeon Lee; Joon-Gyu Ryu; Junil Choi (CoRR, 2024)

Random Beam-Based Non-Orthogonal Multiple Access for Massive MIMO Low Earth Orbit Satellite Networks - Jung Hoon Lee; Jung Suk Joo; Pansoo Kim; Joon-Gyu Ryu (IEEE Access, 2023)

Multi-source deep data fusion and super-resolution for downscaling sea surface temperature guided by Generative Adversarial Network-based spatiotemporal dependency learning - Jinah Kim; Taekyung Kim; Joon-Gyu Ryu (Int. J. Appl. Earth Obs. Geoinformation, 2023)

Spatiotemporal graph neural network for multivariate multi-step ahead time-series forecasting of sea temperature - Jinah Kim; Taekyung Kim; Joon-Gyu Ryu; Jaeil Kim (Eng. Appl. Artif. Intell., 2023)

Transceiver Design and Performance Analysis for LR-FHSS-Based Direct-to-Satellite IoT - Sooyeob Jung; Seongah Jeong; Jinkyu Kang; Joon-Gyu Ryu; Joonhyuk Kang (IEEE Commun. Lett., 2023)

Satellite Clustering for Non-Terrestrial Networks: Concept, Architectures, and Applications - Dong-Hyun Jung; Gyeongrae Im; Joon-Gyu Ryu; Seungkeun Park; Heejung Yu; Junil Choi (IEEE Veh. Technol. Mag., 2023)

Improvements of IoT Waveform for High Doppler - Pansoo Kim; Sooyeob Jung; Joon-Gyu Ryu (20th IEEE Consumer Communications & Networking Conference, CCNC 2023, Las Vegas, NV, USA, January 8-11, 2023, 2023)

Location-based Trigger Conditions for Handover in Non-Terrestrial Network - Hee Wook Kim; Joon-Gyu Ryu (14th International Conference on Information and Communication Technology Convergence, ICTC 2023, Jeju Island, Korea, Republic of, October 11-13, 2023, 2023)

Empowering User Capabilities via Non-Orthogonal Multiple Access in 3GPP Non-Terrestrial Networks - Gyeongrae Im; Dong-Hyun Jung; Jung-Bin Kim; Joon-Gyu Ryu (14th International Conference on Information and Communication Technology Convergence, ICTC 2023, Jeju Island, Korea, Republic of, October 11-13, 2023, 2023)

Visibility and Connectivity Analysis of LEO Satellite Networks under LoRa Protocols - Junse Lee; Sooyeob Jeong; Joon-Gyu Ryu (14th International Conference on Information and Communication Technology Convergence, ICTC 2023, Jeju Island, Korea, Republic of, October 11-13, 2023, 2023)

Design of 5G Non-Terrestrial Network Handover using Transparent Satellite - Kyung-Rak Lee; Hee-Wook Kim; Joon-Gyu Ryu; Jin-Young Kang (14th International Conference on Information and Communication Technology Convergence, ICTC 2023, Jeju Island, Korea, Republic of, October 11-13, 2023, 2023)

Satellite Clustering for Non-Terrestrial Networks: Concept, Architectures, and Applications - Dong-Hyun Jung; Gyeongrae Im; Joon-Gyu Ryu; Seungkeun Park; Heejung Yu; Junil Choi (CoRR, 2023)

Satellite Clusters Flying in Formation: Orbital Configuration-Dependent Performance Analyses - Dong-Hyun Jung; Joon-Gyu Ryu; Junil Choi (CoRR, 2023)

Transceiver Design and Performance Analysis for LR-FHSS-based Direct-to-Satellite IoT - Sooyeob Jung; Seongah Jeong; Jinkyu Kang; Joon-Gyu Ryu; Joonhyuk Kang (CoRR, 2023)

Performance Analysis of Satellite Communication System Under the Shadowed-Rician Fading: A Stochastic Geometry Approach - Dong-Hyun Jung; Joon-Gyu Ryu; Woo-Jin Byun; Junil Choi (IEEE Trans. Commun., 2022)

When Satellites Work as Eavesdroppers - Dong-Hyun Jung; Joon-Gyu Ryu; Junil Choi (IEEE Trans. Inf. Forensics Secur., 2022)

Visible Trajectory of LEO Satellite Networks - Junse Lee; Joon-Gyu Ryu (27th Asia Pacific Conference on Communications, APCC 2022, Jeju Island, Republic of Korea, October 19-21, 2022, 2022)

Regression based Pilot Design for Doppler Effect Estimation and Compensation in LEO Satellite Communication with LoRa - Jinho Kang; Gyeongrae Im; Dong-Hyun Jung; Sooyeob Jung; Jung-Bin Kim; Pansoo Kim; Joon-Gyu Ryu (27th Asia Pacific Conference on Communications, APCC 2022, Jeju Island, Republic of Korea, October 19-21, 2022, 2022)

Terminal ASIC Structure for Satellite IoT transmission - Sooyeob Jung; Mi-Kyung Oh; Sangjae Lee; Joon-Gyu Ryu (27th Asia Pacific Conference on Communications, APCC 2022, Jeju Island, Republic of Korea, October 19-21, 2022, 2022)

Performance Analysis for 5G/6G Satellite Communication under Nonlinear HPA Channel - Pansoo Kim; Joon-Gyu Ryu; Seungkeun Park (27th Asia Pacific Conference on Communications, APCC 2022, Jeju Island, Republic of Korea, October 19-21, 2022, 2022)

Downlink link-level Simulator designs for 3GPP Rel 16 NR Non-Terrestrial Networks - Gyeongrae Im; Jung-Bin Kim; Joon-Gyu Ryu; Seung Keun Park (27th Asia Pacific Conference on Communications, APCC 2022, Jeju Island, Republic of Korea, October 19-21, 2022, 2022)

A Study on the development of a modem verification environment for 3GPP NR NTN - Pansoo Kim; Sooyeob Jung; Joon-Gyu Ryu; Kyoungpil Ra; Seokhyun Yoon (International Conference on Electronics, Information, and Communication, ICEIC 2022, Jeju, Korea, Republic of, February 6-9, 2022, 2022)

When Satellites Work as Eavesdroppers - Dong-Hyun Jung; Joon-Gyu Ryu; Junil Choi (CoRR, 2022)

A Statistical Approach for Assessing Time-to-First-Fix Performance of Global Navigation Satellite Systems - Jung-Bin Kim; Hyoungsoo Lim; Sanguk Lee; Joon-Gyu Ryu (International Conference on Information and Communication Technology Convergence, ICTC 2021, Jeju Island, Korea, Republic of, October 20-22, 2021, 2021)

Partial CSI based Regularized Zero-Forcing Precoder for Multibeam Satellite Communications toward 6G Networks - Jinho Kang; Gyeongrae Im; Sooyeob Jung; Joon-Gyu Ryu; Woo-Jin Byun (International Conference on Information and Communication Technology Convergence, ICTC 2021, Jeju Island, Korea, Republic of, October 20-22, 2021, 2021)

Fine Frequency Offset Synchronization Scheme for Internet of Things Devices in 5G non-terrestrial network - Gyeongrae Im; Joon-Gyu Ryu; Woo-Jin Byun (International Conference on Information and Communication Technology Convergence, ICTC 2021, Jeju Island, Korea, Republic of, October 20-22, 2021, 2021)

Chip Pulse Design for an Additional Satellite Navigation Signal in L6 Band - Hyoungsoo Lim; Sanguk Lee; Joon-Gyu Ryu (Twelfth International Conference on Ubiquitous and Future Networks, ICUFN 2021, Jeju Island, South Korea, August 17-20, 2021, 2021)

Performance Analysis of Satellite Communication System Under the Shadowed-Rician Fading: A Stochastic Geometry Approach - Dong-Hyun Jung; Joon-Gyu Ryu; Woo-Jin Byun; Junil Choi (CoRR, 2021)

Enhancing the Connectivity of Satellite IoT Devices in Terrestrial-Non terrestrial Integrated Networks based on the Stackelberg Game Approach - Gyeongrae Im; Dong-Hyun Jung; Joon-Gyu Ryu (International Conference on Information and Communication Technology Convergence, ICTC 2020, Jeju Island, Korea (South), October 21-23, 2020, 2020)

Fairness-Based Superframe Design and Resource Allocation for Dynamic Rate Adaptation in DVB-RCS2 Satellite Systems - Dong-Hyun Jung; Min-Su Shin; Joon-Gyu Ryu (IEEE Commun. Lett., 2019)

Performance Analysis in Interference Canceller for Shared Band Satellite Transmission - Sooyeob Jung; Dong-Hyun Jung; Joon-Gyu Ryu (2019 International Conference on Information and Communication Technology Convergence, ICTC 2019, Jeju Island, Korea (South), October 16-18, 2019, 2019)

Performance Analysis of Direct Sequence Spread Spectrum Aloha for LEO Satellite Based IoT Service - Pansoo Kim; Sooyeob Jung; Dong-Hyun Jung; Joon-Gyu Ryu; Deock-Gil Oh (90th IEEE Vehicular Technology Conference, VTC Fall 2019, Honolulu, HI, USA, September 22-25, 2019, 2019)

Low-Complexity Nonlinearity Post Compensator for Shared Band Transmission in Satellite Communication - Sooyeob Jung; Joon-Gyu Ryu; Deock-Gil Oh; Heejung Yu (15th International Symposium on Wireless Communication Systems, ISWCS 2018, Lisbon, Portugal, August 28-31, 2018, 2018)

On the mixed support of TDMA and SCPC for satellite disaster communications network - Min-Su Shin; Joon-Gyu Ryu; Deock-Gil Oh (International Conference on Information and Communication Technology Convergence, ICTC 2017, Jeju Island, Korea (South), October 18-20, 2017, 2017)

On the network clock reference variation compensation for satellite TDMA network - Min-Su Shin; Joon-Gyu Ryu; Deock-Gil Oh (International Conference on Information and Communication Technology Convergence, ICTC 2017, Jeju Island, Korea (South), October 18-20, 2017, 2017)

Nonlinearity post-compensation and interference cancellation for shared-band satellite transmission over Ku-band - Sooyeob Jung; Joon-Gyu Ryu; Deock-Gil Oh (International Conference on Information and Communication Technology Convergence, ICTC 2016, Jeju Island, South Korea, October 19-21, 2016, 2016)

The design of satellite mesh protocol for the DVB-RCS TDMA networks - Min-Su Shin; Joon-Gyu Ryu; Deock-Gil Oh (International Conference on Information and Communication Technology Convergence, ICTC 2015, Jeju Island, South Korea, October 28-30, 2015, 2015)

Forward link ACM for satellite communication public test-bed via COMS - Joon-Gyu Ryu; Sung Yong Hong; Deock-Gil Oh (IEEE International Conference on Consumer Electronics, ICCE 2013, Las Vegas, NV, USA, January 11-14, 2013, 2013)

The feasibility study on the 4K-UHD satellite broadcasting service in Ka-band - Min-Su Shin; Joon-Gyu Ryu; Deock-Gil Oh; Yong-Goo Kim (IEEE International Conference on Consumer Electronics, ICCE 2013, Las Vegas, NV, USA, January 11-14, 2013, 2013)

Gap Filler Architectures for Seamless DVB-S2/RCS Provision in the Railway Environment - Gianluigi Liva; Nuria Riera Diaz; Sandro Scalise; Balázs Matuz; Cristina Parraga Niebla; Joon-Gyu Ryu; Min-Su Shin; Ho-Jin Lee (Proceedings of the 67th IEEE Vehicular Technology Conference, VTC Spring 2008, 11-14 May 2008, Singapore, 2008)