ETRI Knowledge Sharing Platform : Hyunwoo Cho

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Hyunwoo Cho

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Department: Next Generation System SW Research Section

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KSP Keywords: 40 Gb/S Carrier-Suppressed Return-To-Zero(CSRZ) Field Trial High Q Q-Value Zero Signal Grating Filters Optical Clock Recovery Clock Extraction Signal Generator Cmos Technology Beat Signal Electroabsorption Modulator(EAM) Single-Stage Mach-Zehnder(MZ) Dielectric Resonator(DR) Pre-Emphasis Parallel Processing Optical Instrumentation Design And Implementation Wideband Signal Frequency Components Single Mode Fibre Ber Characteristics Mobile Devices Cost-Effective 40 Gbit/S Forward Error Correction(FEC) Recovery Scheme Data Rate Band-Limited Standard Single-Mode Fiber Smf 3 Variable Optical Attenuator(VOA) Nonreturn-To-Zero (Nrz) Optical Receiver Transmission System Wdm Transmission Chirped Gratings Dwdm Network Transmission Experiment Web Acceleration Ghz Band Bandwidth Limitation Differential Amplifier High Performance Prototype System Structural Characteristics External Modulator Time Division Multiplexing Temperature Gradient Modulated Signal Carrier Frequency Dense Wavelength Division Multiplexing(DWDM-PON) Device Framework Extraction Method Effective Capacity Input Data Line Rate Limited Resources Signal Process Source Code Embedded System Fiber Grating 45 Ghz Clock Frequency Conformance Testing Dispersion Tolerance Dual-Mode Operation Open-Loop Optical Transport Network Optical Amplifier Optical Modulator Polymer Waveguide Residual Dispersion Resonator Filters Signal Generation Extraction System Frequency Range Transmission Equipment Back-To-Back Clock Component Enhancement Chromatic Dispersion(CD) Conventional Methods Image Processing Pseudo Random Binary Sequence(PRBS) Process Scheme Power Penalty Performance Evaluation Shopping Application Signal Noise Ratio(SNR) Unrepeatered Transmission Fiber Link Word-Length 3-Db Bandwidth Non-Linear Circuit Band-Pass Filtering Deep Learning Framework Optical Communications Optical Signal-To-Noise Ratio(OSNR) Field Installed Waveguide Bragg Grating(WBG) Waveform Distortion Web Browser Network Infrastructure Band-Limiting Clock Generation Compact Clock Optical Link Optical Transmission Processing Performance Recovery Module Scattering Effect Stimulated Brillouin Scattering Threshold Tunable Dispersion Compensation Transmission Limit Mixed Modulation Bit Rate Compute-Intensive Capacity Upgrade Differential Output High Speed Long-Haul Low-Cost Unrepeated Transmission Resonant Modes Unified Memory

Articles (61)
Patents (6)
Technology Transfer (7)
R&D Reports (0)
Standards (0)
Monographs/Talk (0)

논문 검색결과
Type	Year	Title	Cited
Journal	2021	CitiusSynapse: A Deep Learning Framework for Embedded Systems Seungtae Hong Applied Sciences, v.11, no.23, pp.1-22	1
Conference	2016	The Implementation of WebCL-based Retinex Algorithm 김도형 대한임베디드공학회 학술 대회 (추계) 2016, pp.292-293
Conference	2016	The Design and Implementation of Web Acceleration Technology-based Mobile Glasses Shopping Application Do-Hyung Kim International Conference on Future Generation Communication and Networking (FGCN) 2016, pp.10-14
Conference	2016	WebCL Prototype for High Performance Browser Running on Android-Powered Mobile Device Jae-Ho Lee International Conference on Information and Communication Technology Convergence (ICTC) 2016, pp.1039-1041	2
Journal	2016	Trends of Hardware Acceleration Technology in Web Browser 이재호 전자통신동향분석, v.31, no.4, pp.65-76
Conference	2016	The Implementation of Web-Accelerated Technology based Mobile Glasses Shopping Mall Reference Application 김도형 한국통신학회 종합 학술 발표회 (하계) 2016, pp.969-970
Conference	2015	The Introduction of 3D JavaScript Library Technology 김도형 대한임베디드공학회 학술 대회 (추계) 2015, pp.147-149
Journal	2015	Trends of Mobile Application Market Analysis Technology 윤여찬 전자통신동향분석, v.30, no.4, pp.82-91
Journal	2008	Demonstration of CSRZ Signal Generator Using Single-Stage Mach-Zehnder Modulator and Wideband CMOS Signal Mixer Sae-Kyoung Kang ETRI Journal, v.30, no.2, pp.249-254	2
Journal	2008	Cost-Effective Transition to 40 Gb/s Line Rate Using the Existing 10 Gb/s-Based DWDM Infrastructure Sang Soo Lee ETRI Journal, v.30, no.2, pp.261-267	0
Journal	2008	Design and Implementation of Open-Loop Clock Recovery Circuit for 39.8 Gb/s and 42.8 Gb/s Dual-Mode Operation Sang Kyu Lim ETRI Journal, v.30, no.2, pp.268-274	1
Conference	2008	On the Stimulated Brillouin Scattering Effect of Electrically Band-limited CSRZ Signal in Optical Transmission Sae-Kyoung Kang International Conference on Advanced Communication Technology (ICACT) 2008, pp.1684-1687	0
Conference	2007	Implementation of CSRZ Signal Generator Using a Single-Stage External Modulator and a Wideband CMOS Signal Mixer Sae-Kyoung Kang IEEE Lasers and Electro-Optics Society (LEOS) 2007, pp.884-885	0
Journal	2006	Technological Trend of Signal Transmission Based on Optical Transport Hierarchy 이현재 전자통신동향분석, v.21, no.6, pp.53-63
Journal	2006	Capacity Upgrade to 40 Gb/s Channel Rate using Reconfigurable Optical Add-Drop Multiplexing Operation in 32 x 10 Gb/s based Repeaterless Mixed Fiber Link Sang Soo Lee Optical Engineering, v.45, no.10, pp.1-7	1
Conference	2006	A Compact 43Gb/s Clock Recovery Module Using a Dielectric Resonator Filter Sang Kyu Lim IEEE Lasers and Electro-Optics Society (LEOS) Meeting 2006, pp.567-568	0
Conference	2006	40-Gb/s Tunable Dispersion Compensation with Polymer Waveguide Involving Chirped Gratings Jung Jin Ju European Conference on Optical Communication (ECOC) 2006, pp.1-2	0
Conference	2006	40 Gb/s Transmission over the Existing 10 Gb/s based DWDM Network Infrastructure Sang Soo Lee International Conference on Optical Internet and Next Generation Network (COIN-NGNCON) 2006, pp.413-415	0
Conference	2006	Clock Components in a Nonreturn-to-Zero Signal Generated by Optical Modulator Jae Myoung Lee OptoElectronics and Communications Conference (OECC) 2006, pp.1-2
Conference	2006	Multi-Service Traffic Transfer using 40G ETDM Optical Transmission Technology 이현재 광전자 및 광통신 학술 회의 (COOC) 2006, pp.1-2
Conference	2006	A CS-RZ Optical Transmitter using a optical modulator and AND devices 조현우 광전자 및 광통신 학술 회의 (COOC) 2006, pp.1-2
Conference	2006	Ultra Long-Haul Transmission of 40 G / 10 G Hybrid Signals 이상수 통신 정보 합동 학술 대회 (JCCI) 2006, pp.1-4
Journal	2006	Enhancement of Clock Component in a Nonreturn-to-Zero Signal through Beating Process Jae Myoung Lee Optical Fiber Technology, v.12, no.1, pp.59-70	7
Conference	2005	Transmission Margin Comparison of Long-Haul Link with 40G/10G Hybrid Signal 이상수 전자 정보 통신 학술 대회 (CEIC) 2005, pp.166-168
Conference	2005	40Gb/s Clock Recovery Module Integrated with a Dielectric Resonator Filter 임상규 전자 정보 통신 학술 대회 (CEIC) 2005, pp.169-172
Conference	2005	10GbE Signals Transport Technology through 40G TDM Transpoder 방준학 전자 정보 통신 학술 대회 (CEIC) 2005, pp.81-84
Conference	2005	Optical Signal Process Scheme for NRZ Clock Recovery Using Fiber Grating Filters Jae Myoung Lee OptoElectronics and Communications Conference (OECC) 2005, pp.1-2
Conference	2005	Transmission of 40 x 42.8 Gb/s CS-RZ Signal Over 640 km Single Mode Fiber using 10 Gb/s NRZ based WDM Link 이상수 광전자 및 광통신 학술 회의 (COOC) 2005, pp.191-192
Conference	2005	Field Trial of 1.6 Tb/s (40 Channels/spl Times/40 Gb/s) NRZ Signals over 511 km Standard Single Mode Fiber using Conventional Optical Amplifiers Sang Soo Lee International Conference on Communications (ICC) 2005, pp.1598-1602	2
Conference	2005	Field Trial of 40 x 42.8 Gb/s Transmission over 511km Standard SMF with Conventional EDFAs in Existing N x 10 Gb/s WDM Link Sang Soo Lee Optical Fiber Communications Conference (OFC) 2005, pp.1-3
Conference	2005	Implementation and Transmission Experiment of 4OGb/s TDM Transponder Accommodating 4 Channels of 1 OGb/s Optical Signal Wang Joo Lee International Conference on Advanced Communication Technology (ICACT) 2005, pp.1098-1101	0
Journal	2005	Optical Clock Recovery Scheme for a High Bit Rate Nonreturn-to-zero Signal using Fiber Bragg Grating Filters Jaemyoung Lee Optical Engineering, v.44, no.2, pp.1-2	6
Journal	2005	전계 흡수형 변조기를 사용한 42.8G x 16채널 신호의 200 km 단일 모드 광섬유 무중계 전송 Sang Soo Lee Optical Engineering, v.44, no.2, pp.1-4
Conference	2004	Clock Signal Extraction Method using Asymmetric Distortion of NRZ Signal 이왕주 전자 정보 통신 학술 대회 (CEIC) 2004, pp.121-123
Conference	2004	Field Trial of 40 x 42.8 Gbit/s Signals over 511 ㎞ Standard Single Mode Fiber Using Conventional Optical Amplifiers 이상수 Photonics Conference 2004, pp.295-296
Conference	2004	Implementaion of 40Gb/s MSA 300-pin optical transceiver 조현우 Photonics Conference 2004, pp.497-498
Conference	2004	Implementation of 40Gb/s TDM Transponder Accommodating 4 Channels of 10Gb/s Signal 이왕주 Photonics Conference 2004, pp.503-504
Conference	2004	Automatically adaptive 40Gb/s PMD compensator using a novel technique of separating PSP control from DGD control 한기호 Photonics Conference 2004, pp.487-488
Conference	2004	Transmission of 32 x 10G/42.8G Hybrid Signal Over Single Mode Fiber 이상수 한국광학회 학술 발표회 (하계) 2004, pp.18-19
Conference	2004	High-Q DR Bandpass Filter for 40 Gbit/s Clock Recovery Circuit Sang-Kyu Lim Optoelectronics and Communications Conference (OECC) 2004, pp.238-239
Conference	2004	Optical Beat Signal Generation for NRZ Clock Recovery Using Fiber Bragg Grating Filters Jaemyoung Lee Optoelectronics and Communications Conference (OECC) 2004, pp.226-227
Conference	2004	Transmission of the 43 Gb/s CS-RZ Signal Over Single Mode Fiber 이상수 광전자 및 광통신 학술 회의 (COOC) 2004, pp.337-338
Conference	2004	Realization of Integrated Clock Recovery Module for 40 Gbit/s Optical Receiver 임상규 광전자 및 광통신 학술 회의 (COOC) 2004, pp.85-86
Journal	2004	40G ETDM 프로토타입의 219km 단일 모드 광섬유 현장 시험 San Soo Lee Microwave and Optical Technology Letters, v.41, no.4, pp.304-306
Conference	2004	Transmission of 1.6Tbit/s (40 x 40Gbit/s) NRZ Signals over SMF 320km for Optical Transport Network Sang Soo Lee 통신 정보 합동 학술 대회 (JCCI) 2004, pp.1035-1038
Conference	2004	40GHz Clock Generation using Clock Component Enhancement Modulation and Band Pass Filtering WangJoo Lee International Conference on Advanced Communication Technplogy (ICACT) 2004, pp.291-293	1
Conference	2003	Characteristics of Packaged 40Gb/s Differential Output TIA 이왕주 대한전자공학회 학술 대회 2003, pp.63-66
Conference	2003	Field Trial of 40Gbit/s ETDM Prototype System over 219km of Installed Single Mode Fiber Sang Soo Lee Optoelectronics and Communications Conference (OECC) 2003, pp.659-660
Conference	2003	Optical Clock Recovery through Generating a Beat Signal using Fiber Bragg Grating Filters Jaemyoung Lee National Fiber Optic Engineers Conference (NFOEC) 2003, pp.108-113
Conference	2003	Field Trial of the 40Gbit/s ETDM Prototype Over 219km of Installed Single Mode Fibre Sang Soo Lee Conference on the Optical Internet (COIN) / Australian Conference on Optical Fibre Technology (ACOFT) 2003, pp.122-125
Conference	2003	40Gbit/s Based Electrical-Time-Division-Multiplexing Transmission Technology 이상수 한국통신학회 종합 학술 발표회 (하계) 2003, pp.1958-1961
Conference	2003	8 x 40Gbit/s Unrepeatered Transmission over 180km of Single Mode Fibre by using an Electroabsorption Modulator Sang Soo Lee Conference on the Optical Internet (COIN) / Australian Conference on Optical Fibre Technology (ACOFT) 2003, pp.119-121
Conference	2003	40Gb/s ETDM Optical Transmitter and Receiver 조현우 광전자 및 광통신 학술 회의 (COOC) 2003, pp.1-2
Conference	2003	40Gbit/s ETDM for Large Capacity Long-Haul Optical Transmission 이상수 광전자 및 광통신 학술 회의 (COOC) 2003, pp.1-2
Conference	2003	Clock Extraction of 40Gb/s ETDM Optical Receiver 임상규 광전자 및 광통신 학술 회의 (COOC) 2003, pp.1-2
Conference	2003	Optical Link Development for 40 Gbit/s Electrical-Time-Division- Multiplexing System Sang Soo Lee International Conference on Advanced Communication Technology (ICACT) 2003, pp.697-699
Conference	2002	40Gb/s Optical Transmitter and Receiver Using Electrical Time Division Multiplexing 조현우 Photonics Conference 2002, pp.551-552
Conference	2002	High-Q DR Bandpass Filter for the Clock Extraction of 40Gb/s Optical Receiver 임상규 Photonics Conference 2002, pp.87-88
Journal	2002	Configuration of ETDM 20Gb/s Optical Transmitter/Receiver and Their Chsracteristics 임상규 한국 광학회지, v.13, no.4, pp.295-300
Conference	2001	20Gb/s ETDM Transmitter/Receiver for High Speed Optical Transmission System 조현우 광자기술학회, pp.63-64
Conference	2001	ETDM 20Gb/s Optical Transmission Experiment over 320km of SMF using NRZ Format 한기호 Photonics conference 2001, pp.381-382

특허 검색결과
Status	Year	Patent Name	Country
Registered	2021	METHOD FOR PERFORMING DILATED CONVOLUTIONAL OPERATION USING ATYPICAL KERNEL PATTERN AND DILATED CONVOLUTION NERUAL NETWORK SYSTEM USING THE SAME	KOREA
Registered	2020	Apparatus for Recognizing Object based on Deep Learning In Embedded Device and Object Recognition Model Training Apparatus for Embedded Device	KOREA
Registered	2020	APPARATUS AND METHOD FOR OPTIMIZING QUANTIZED MACHINE LEARNING ALGORITHM	KOREA
Registered	2016	CONTROLLING APPARATUS AND METHOD OF EMBEDDED DEVICE	KOREA
Registered	2014	Apparatus for pose estimation of wearable display device using hybrid sensors	KOREA
Registered	2006	ATCA 플랫폼에서 OTH 신호프레임 스위칭 장치	KOREA

기술이전 검색결과
Year	Technology	Transaction Count	Manager
2023	Integrated development framework technology for generating and deploying device adaptive neural networks	1	Kim Seon-Tae
2022	On-Device Artificial Intelligence SW Technology for Visual Recognition on Drone-Mounterd Embedded Mission Computer	1	Kim Jeong-Si
2022	On-Device Artificial Intelligence SW Technology for Visual Recognition on Edge Devices wirh Low Spec HW	1	Kim Jeong-Si
2022	Neural Network Execution Code Generation and Deployment Technology for on-devices	1	Kyung Hee Lee
2021	On-Device Artificial Intelligence SW Technology for Visual Recognition on Smart Devices	1	Kim Jeong-Si
2020	On-Device Deep Learning SW Platform Technology for Visual Recognition on Smart Devices	2	Kim Jeong-Si
2015	Interactive content technology based on active motion platform	1	Ki-Hong Kim

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