ETRI Knowledge Sharing Platform : Gyeongrae Im

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Gyeongrae Im

Department: Satellite Communication Infra Research Section

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KSP Keywords: Leo Satellite Simulation Results Terrestrial Network Correction Algorithm Chirp Spread Spectrum Doppler Effect Communication Technologies Low Earth Orbit(LEO) Signal Noise Ratio(SNR) Block Diagram Iot Devices Low-Power Partial Csi Packet Error Rate Packet Loss Rate Packet Collision Simulator Design Wireless Communication High-Speed Mobility Mobility Services Stackelberg Game Approach Signaling Overhead Base Station(BS) Csi Acquisition Doppler Shift Non-Orthogonal Multiple Access(NOMA) Numerical Results Pilot Design Signal-To-Noise Iot Network Integrated Network Narrowband Internet Of Things(NB-IoT) Optimization Problem Power Internet Of Things Status Information Shadowed Rician Fading Direct-Sequence Spread-Spectrum(DSSS) Estimation And Compensation Frequency Offset Multibeam Satellite Communications Performance Analysis Physical Layer Computer Simulation(MC and MD) High Mobility It Use Iot Services Random Frequency Rician Fading Channel Satellite Link Spreading Factor International Organization For Standardization Link Budget Link Level Simulation Partial Channel State Information Performance Comparison User Equipment(UE) Space Communication Networks Center Frequency Synchronization Scheme Signal Bandwidth Zero Forcing(ZF)

Articles (25)
Patents (7)
Technology Transfer (6)
R&D Reports (2)
Standards (0)
Monographs/Talk (0)

논문 검색결과
Type	Year	Title	Cited
Conference	2023	Empowering User Capabilities via Non-Orthogonal Multiple Access in 3GPP Non-Terrestrial Networks Gyeongrae Im International Conference on Information and Communication Technology Convergence (ICTC) 2023, pp.1-3	1
Journal	2023	Satellite Clustering for Non-Terrestrial Networks: Concept, Architectures, and Applications Dong-Hyun Jung IEEE Vehicular Technology Magazine, v.18, no.3, pp.29-37	8
Conference	2022	Regression based Pilot Design for Doppler Effect Estimation and Compensation in LEO Satellite Communication with LoRa Jinho Kang Asia-Pacific Conference on Communications (APCC) 2022, pp.631-632	4
Conference	2022	Downlink Link-level Simulator Designs for 3GPP Rel.16 NR Non-Terrestrial Networks Gyeongrae Im Asia-Pacific Conference on Communications (APCC) 2022, pp.647-648	0
Conference	2022	Multi-Satellite Transmission for 6G Satellite Comunications 정동현 한국전자파학회 종합 학술 대회 (하계) 2022, pp.1-1
Journal	2022	Performance Analysis of DSSS- and CSS-based Physical Layer for IoT Transmission over LEO Satellites Sooyeob Jung ETRI Journal, v.44, no.4, pp.543-559	8
Conference	2022	Perfect Suppression of Doppler Effect in Noise-Free LEO Satellite LoRa Systems 강진호 한국전자파학회 종합 학술 대회 (하계) 2022, pp.371-371
Conference	2022	A Study on Global 5G/6G Satellite Market 유종상 한국통신학회 종합 학술 발표회 (동계) 2022, pp.1-3
Conference	2022	Trends of the Satellite Communication Market in 5G/6G Ecosystem 이준석 한국통신학회 종합 학술 발표회 (동계) 2022, pp.1-3
Conference	2021	Partial CSI based Regularized Zero-Forcing Precoder for Multibeam Satellite Communications toward 6G Networks Jinho Kang International Conference on Information and Communication Technology Convergence (ICTC) 2021, pp.1579-1581	2
Conference	2021	Fine Frequency Offset Synchronization Scheme for Internet of Things Devices in 5G non-terrestrial Network Gyeongrae Im International Conference on Information and Communication Technology Convergence (ICTC) 2021, pp.1850-1852	0
Conference	2021	SFO Correction Algorithm for Lora Signalling in Leo Satellite IoT Networks Gyeongrae Im Ka and Broadband Communications Conference 2021, pp.1-8	0
Conference	2021	Simulations of Chirp Spread Spectrum for LEO Satellite Communications Gyeongrae Im Ka and Broadband Communications Conference 2021, pp.1-7	1
Conference	2021	Frequency synchronization for 3GPP NTN standard 김판수 한국전자파학회 종합 학술 대회 (하계) 2021, pp.173-173
Conference	2021	Selection of Coding Schemes for Low Power, High Efficiency Satellite IoT 이수정 한국전자파학회 종합 학술 대회 (하계) 2021, pp.1-1
Conference	2021	Standardization Trend of 3GPP NB-IoT/eMTC RAN 1 for Non-terrestrial Network 임경래 한국전자파학회 종합 학술 대회 (하계) 2021, pp.1-1
Conference	2021	LEO satellite based on global IoT service scenario 정수엽 한국전자파학회 종합 학술 대회 (하계) 2021, pp.174-174
Conference	2021	Advanced Waveform for Low Earth Orbit based Nanosatellite Link 김판수 통신 정보 합동 학술 대회 (JCCI) 2021, pp.1-2
Conference	2021	Trend analysis of satellite communication technology for 6G realization 이상민 통신 정보 합동 학술 대회 (JCCI) 2021, pp.1-2
Conference	2021	Enhancing Detection Probability of CSS-based Satellite IoT Signals for Applying of Disaster Sites 이상민 한국통신학회 종합 학술 발표회 (동계) 2021, pp.1-2
Conference	2020	Beam management schemes for satellite IoT realization in non-terrestrial network based on 3GPP NR Release 16 임경래 한국항공우주학회 학술 대회 (추계) 2020, pp.1125-1126
Conference	2020	Enhancing the Connectivity of Satellite IoT Devices in Terrestrial-Non terrestrial Integrated Networks based on the Stackelberg Game Approach Gyeongrae Im International Conference on Information and Communication Technology Convergence (ICTC) 2020, pp.1783-1785	0
Conference	2020	Development of css based satellite link level simulator for non-terrestrial 3D communication 임경래 한국전자파학회 종합 학술 대회 (하계) 2020, pp.1-2
Conference	2020	Physical layer technology of satellite communication based on 3GPP standard 김판수 한국전자파학회 종합 학술 대회 (하계) 2020, pp.302-302
Conference	2019	Resource allocation and performance analysis of non-orthogonl multiple access with cooperative relaying in satellite-terrestrial connected IoT networks 임경래 한국위성정보통신학회 학술 대회 2019, pp.1-1

특허 검색결과
Status	Year	Patent Name	Country
Registered	2021	Satellite communication method and apparatus of internet of things communication terminal	KOREA
Registered	2021	METHOD AND APPARATUS FOR HYBRID AUTOMATIC REPEAT REQUEST FEEDBACK IN COMMUNICATION SYSTEM	KOREA
Registered	2021	METHOD AND APPARATUS FOR RECEIVING WIRELESS SIGNAL IN WIRELESS COMMUNICATION SYSTEM	UNITED STATES
Registered	2021	METHOD AND APPARATUS FOR CHANNEL STATE INFORMATION FEEDBACK IN COMMUNICATION SYSTEM	UNITED STATES
Registered	2021	METHOD AND APPARATUS FOR TIMING CONTROL IN WIRELESS COMMUNICATION SYSTEM	KOREA
Registered	2021	METHOD AND APPRATUS FOR CHANNEL STATE INFORMATION FEEDBACK IN COMMUNICATION SYSTEM	KOREA
Registered	2020	METHOD AND APPARATUS FOR RECEIVING WIRELESS SIGNAL IN WIRELESS COMMUNICATION SYSTEM	KOREA

기술이전 검색결과
Year	Technology	Transaction Count	Manager
2022	DVB-RCS2 MODEM Technology Floating simulator	1	Lee In Ki
2021	Dynamic Resource Management Module	1	Jung Dong Hyun
2021	Direct-Sequence-Spread-Spectrum (DSSS) Throughput Simulator for Low-Earth-Orbit Satellite	1	Gyeongrae Im
2020	Digital Satellite OBP Channelizer	1	Jung Soo Yeob
2020	Dynamic Connectivity Protocol-Based Mesh Control Module	1	Jung Dong Hyun
2020	DVB-RCS2 modem RTL implementation technology for development of SNG	1	Lee In Ki

연구보고서 검색결과
Type	Year	Research Project	Primary Investigator	Download
Annual Report	2022	Study on 3D Communication Technology for Hyper-Connectivity	Seung Keun Park
Annual Report	2021	Study on 3D Communication Technology for Hyper-Connectivity	Seung Keun Park

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