Gyeongrae Im

13 papers C 2Journal 5Unranked 6
YearRankTypeTitle / Venue / Authors
2026 J jnl
Beam-Hopping Pattern Design for Grant-Free Random Access in LEO Satellite Communications.
IEEE Trans. Wirel. Commun.
Seunghyeon Jeon, Seonjung Kim, Gyeongrae Im, Yo-Seb Jeon
2024 — conf
Beam-Hopping Strategy for Efficient Resource Usage in 3GPP Non-Terrestrial Networks.
ICTC
Gyeongrae Im, Jung-Bin Kim, Joon-Gyu Ryu
2024 J jnl
LR-FHSS Transceiver for Direct-to-Satellite IoT Communications: Design, Implementation, and Verification.
CoRR
Sooyeob Jung, Seongah Jeong, Jinkyu Kang, Gyeongrae Im, Sangjae Lee, Mi-Kyung Oh, Joon-Gyu Ryu, Joonhyuk Kang
2023 — conf
Empowering User Capabilities via Non-Orthogonal Multiple Access in 3GPP Non-Terrestrial Networks.
ICTC
Gyeongrae Im, Dong-Hyun Jung, Jung-Bin Kim, Joon-Gyu Ryu
2023 J jnl
Satellite Clustering for Non-Terrestrial Networks: Concept, Architectures, and Applications.
CoRR
Dong-Hyun Jung, Gyeongrae Im, Joon-Gyu Ryu, Seungkeun Park, Heejung Yu, Junil Choi
2023 J jnl
Satellite Clustering for Non-Terrestrial Networks: Concept, Architectures, and Applications.
IEEE Veh. Technol. Mag.
Dong-Hyun Jung, Gyeongrae Im, Joon-Gyu Ryu, Seungkeun Park, Heejung Yu, Junil Choi
2022 C conf
Downlink link-level Simulator designs for 3GPP Rel 16 NR Non-Terrestrial Networks.
APCC
Gyeongrae Im, Jung-Bin Kim, Joon-Gyu Ryu, Seung Keun Park
2022 C conf
Regression based Pilot Design for Doppler Effect Estimation and Compensation in LEO Satellite Communication with LoRa.
APCC
Jinho Kang, Gyeongrae Im, Dong-Hyun Jung, Sooyeob Jung, Jung-Bin Kim, Pansoo Kim, Joon-Gyu Ryu
2021 — conf
Fine Frequency Offset Synchronization Scheme for Internet of Things Devices in 5G non-terrestrial network.
ICTC
Gyeongrae Im, Joon-Gyu Ryu, Woo-Jin Byun
2021 — conf
Partial CSI based Regularized Zero-Forcing Precoder for Multibeam Satellite Communications toward 6G Networks.
ICTC
Jinho Kang, Gyeongrae Im, Sooyeob Jung, Joon-Gyu Ryu, Woo-Jin Byun
2020 — conf
Enhancing the Connectivity of Satellite IoT Devices in Terrestrial-Non terrestrial Integrated Networks based on the Stackelberg Game Approach.
ICTC
Gyeongrae Im, Dong-Hyun Jung, Joon-Gyu Ryu
2019 J jnl
Outage Probability for Cooperative NOMA Systems With Imperfect SIC in Cognitive Radio Networks.
IEEE Commun. Lett.
Gyeongrae Im, Jae Hong Lee
2015 — conf
Outage Probability of Underlay Cognitive Radio Networks with SWIPT-Enabled Relay.
VTC Fall
Gyeongrae Im, Jae Hong Lee