Gyeongrae Im

According to our database, Gyeongrae Im authored at least 13 papers between 2015 and 2026.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2026

Orthogonal Time-Frequency Space Modulation With DFT Precoded Filter Bank Multicarrier.

Sihwan Kim, Gyeongrae Im, Joon Gyu Ryu, Jihwan P. Choi

IEEE Wirel. Commun. Lett., 2026

Beam-Hopping Pattern Design for Grant-Free Random Access in LEO Satellite Communications.

Seunghyeon Jeon, Seonjung Kim, Gyeongrae Im, Yo-Seb Jeon

IEEE Trans. Wirel. Commun., 2026

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

Beam-Hopping Strategy for Efficient Resource Usage in 3GPP Non-Terrestrial Networks.

Gyeongrae Im, Jung-Bin Kim, Joon-Gyu Ryu

Proceedings of the 15th International Conference on Information and Communication Technology Convergence, 2024

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., September, 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

Proceedings of the 14th International Conference on Information and Communication Technology Convergence, 2023

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

Proceedings of the 27th Asia Pacific Conference on Communications, 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

Proceedings of the 27th Asia Pacific Conference on Communications, 2022

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

Proceedings of the International Conference on Information and Communication Technology Convergence, 2021

Fine Frequency Offset Synchronization Scheme for Internet of Things Devices in 5G non-terrestrial network.

Gyeongrae Im, Joon-Gyu Ryu, Woo-Jin Byun

Proceedings of the International Conference on Information and Communication Technology Convergence, 2021

2020

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

Proceedings of the International Conference on Information and Communication Technology Convergence, 2020

2019

Outage Probability for Cooperative NOMA Systems With Imperfect SIC in Cognitive Radio Networks.

Gyeongrae Im, Jae Hong Lee

IEEE Commun. Lett., 2019

2015

Outage Probability of Underlay Cognitive Radio Networks with SWIPT-Enabled Relay.

Gyeongrae Im, Jae Hong Lee

Proceedings of the IEEE 82nd Vehicular Technology Conference, 2015