Research

More Information: POSTECH LabCumentary Series, Press report from Donga Science 

Research Topics

Embedded processor architecture

System-on-chip design 

VLSI signal processing

Deep neural network

Communication algorithm

Target Applications

DNN accelerator designs for on-device AI processing

SoC designs for advanced error-correction codes

HW/SW co-optimizations for massive-MIMO processing

VLSI architectures for compressive sensing 

Energy-efficient computing devices for sport and biomedical engineering

Research Awards

IEEE International Symposium on Circuits and Systems (ISCAS), 2024

• Student Travel Grant Award

• "Constrained sorter design using zero-one principle"

• Jaehee Kim (Advisor: Prof. Youngjoo Lee)

IEEE International Solid-State Circuits Conference (ISSCC), 2024

• Student Travel Grant Award

• "A 2.7~13.3 uJ/boot/slot flexible RNS-CKKS processor in 28nm CMOS technology for FHE-based privacy-preserving computing"

• Hyunhoon Lee (Advisor: Prof. Youngjoo Lee)

반도체공학회 종합학술대회, 2023

• Best Paper Award (우수논문상)

• "스토리지 용 NB-LDPC 복호기 하드웨어 개발"

• 최정원, 이영주

POSTECH-삼성전자 산학협력 교류회, 2023

• Excellence Paper Award (산학협력 우수논문상)

• "A 2.35 Gb/s/mm^2 (7440, 6696) NB-LDPC decoder over GF(32) using memory-reduced column-wise trellis min-max algorithm in 28nm CMOS technology"

• 최정원 (지도교수: 이영주)

POSTECH BMSC Chip Design Contest, 2023

• Excellence Design Award

• "A 2.35 Gb/s/mm^2 4KB 0.9-rate NB-LDPC decoder using column-wise trellis min-max algorithm in 28nm CMOS technology"

• 최정원 (지도교수: 이영주)

International SoC Design Conference (ISOCC), 2022

• ETRI Award

• "Hardware analysis of channel estimation method for IRS-aided MIMO wireless systems"

• Jiwon Kim, Seungsik Moon, and Youngjoo Lee

ICT 챌린지, 2022

• SK Telecom Award (one of top 10 research ideas)

• "딥러닝 기반 위암 치료 지원 시스템"

• 유선우, 홍승우 (지도교수: 이영주)

IDEC Congress Chip Design Contest, 2022

• Excellence Design Award (우수설계상)

• "A 2.86Gb/s fully-flexible MU-MIMO processor for jointly optimizing user selection, power allocation, and precoding in 28nm CMOS technology"

• 문승식 (지도교수: 이영주)

IDEC Congress Chip Design Contest, 2022

• Excellence Poster Award (우수포스터상)

• "Area- and energy-efficient LDPC decoder using mixed-resolution check-node processing"

• 윤상부 (지도교수: 이영주)

제 22회 대한민국 반도체 설계대전, 2021

• Bronze Medal (특허청장상)

• "Ordered statistic decoding architecture for B5G/6G URLLC IIoT networks"

•  김창현 (지도교수: 이영주)

International SoC Design Conference (ISOCC), 2021

• Best Paper Award (IEEE CASS Daegu Chapter Award)

• "Low-complexity voice activity detection algorithm for edge-level device"

• Jin Hyun, Seungsik Moon, and Youngjoo Lee

POSTECH-삼성전자 산학협력 교류회, 2021

• Best Paper Award (최우수논문상)

• "Low-latency unfolded-KES architecture for emerging storage class memories"

• 문승식 (지도교수: 이영주)

반도체공학회 하계학술대회, 2021

• Excellence Paper Award (우수논문상)

• "On-device 채널 구현을 위한 고효율 양자화된 가우시안 난수 생성기"

• 임동영, 이영주

대한전자공학회 하계종합학술대회, 2021

• Best Paper Award (네이버 논문상)

• "저전력 딥러닝 가속기를 위한 근사 곱셈기 설계 프레임워크"

• 박군호, 궁재하, 김영석, 김미정, 이영주

대한전자공학회, 2020

• 해동 산학최우수논문상 (JSTS 부문)

• "Diagonally-reinforced lane detection scheme for high-performance advanced driver assistance systems" (IEIE JSTS vol. 16, no. 1)

• 박민구, 이경호, 박윤호, 이영주 

International SoC Design Conference (ISOCC), 2020

• IEEE SSCS Seoul Chapter Award (Best Design Award)

• "Fast-SSCL polar decoder for ultra-low-latency wireless communications"

• Dongyun Kam and Youngjoo Lee

제 21회 대한민국 반도체 설계대전, 2020

• Special Award (기업특별상)

• "Noise resilient CNN accelerator with network stacking"

•  이현훈, 감동윤, 변영훈, 박종민 (지도교수: 이영주)

대한전자공학회 하계종합학술대회, 2020

• Best Paper Award (네이버 논문상)

• "짧은 오류정정부호를 위한 OSD 알고리즘의 복잡도 분석"

• 김창현, 감동윤, 박기윤, 김석기, 이영주

제 27회 한국반도체학술대회, 2020

• Best Poster Award

• "저지연 물리계층보안 기술을 위한 AES+Hash 통합 베이스밴드 시스템 "

• 홍승우, 이영주

IEEE Asian Solid-State Circuits Conference (A-SSCC), 2019

• Distinguished Design Award

• "FPGA-based sparsity-aware CNN accelerator for noise-resilient edge-level image recognition"

• Seungsik Moon, Hyunhoon Lee, Younghoon Byun, Jongmin Park, Junseo Joe, Seokha Hwang, Sunggu Lee, and Youngjoo Lee

International SoC Design Conference (ISOCC), 2019

• Synopsys Award

• "Design of a low-power BLE5-based wearable device for tracking movements of football players"

• Hyunsung Kim, Juin Lim, Wonbin Hong, Joonho Park, Young-Seok Kim, Mijung Kim, and Youngjoo Lee

제 20회 대한민국 반도체 설계대전, 2019

• Bronze Medal (특허청장상)

• "Wearable device for tracking football players in real-time"

• 김현성 (지도교수: 이영주)

IEEE International Symposium on Circuits and Systems (ISCAS), 2019

• Student Travel Grant Award 

• "Ultra-low-latency parallel SC polar decoding architecture for 5G wireless communications"

• Dongyun Kam (Advisor: Prof. Youngjoo Lee)

IEEE International Conference on Artificial Intelligence Circuits and Systems (AICAS), 2019

• Student Travel Grant Award 

• "Multi-level weight indexing scheme for memory-reduced convolutional neural network"

• Jongmin Park (Advisor: Prof. Youngjoo Lee)

제 25회 삼성 휴먼테크논문대상, 2019

• Encouragement Award (장려상)

• "Massive MIMO systems with low-resolution ADCs: Energy consumption vs. Symbol detection performance"

• 문승식, 김인수, 감동윤 (지도교수: 이영주)

제 26회 한국반도체학술대회, 2019

• Best Poster Award

• "Super resolution generative adversarial network (SRGAN) 모델 경량화"

• 이재호, 윤형석, 박군호, 김영석, 김미정, 이영주 

Intel FPGA Design Contest, 2018

• Excellence Award

• "Image enhancing embedded system using GAN for video super resolution"

• 박군호, 윤형석, 이재호 (지도교수: 이영주)

Intel FPGA Design Contest, 2018

• Excellence Award

• "Real time speech recognition on FPGA"

• 김은식, 남상경, 최경순 (지도교수: 이영주)

제 19회 대한민국 반도체 설계대전, 2018

• Special Award (기업특별상)

• "Energy-optimized symmetric BC-BCH decoder for mobile NAND flash systems"

• 황석하, 문승식 (지도교수: 이영주)

IDEC Congress Chip Design Contest, 2018

• Best Design Award

• "Energy efficient symmetric block-wise concatenated BCH decoder for healthy mobile systems"

• 황석하 (지도교수: 이영주)

제 24회 한국반도체학술대회, 2017

• System LSI Design Session Award

• "Area-efficient SC FFT with CORDIC-based approximations"

• 황석하, 이영주

제 24회 한국반도체학술대회, 2017

• Best Poster Award

• "실시간 차선 검출을 위한 카메라 왜곡 보정의 최적화"

• 안중근, 이영주

Altera Design Contest, 2016

• Excellence Award

• "Low-complexity curvature-lane recognition hardware for advanced driver assistance systems"

• 박윤호, 안중근, 권종혁, 김재관, 금규대 (지도교수: 이영주)

International SoC Design Conference (ISOCC), 2016

• Samsung Electronics Award

• "Sharpness-aware real-time haze removal for advanced driver assistance systems"

• Joonggeun Ahn, Jihoon Kim, and Youngjoo Lee

Altera Design Contest, 2015

• Excellence Award

• "개선된 차선인식 알고리즘을 이용한 차선 이탈 경고 시스템"

• 김진수, 장익환, 나상현, 박상현 (지도교수: 이영주)

International SoC Design Conference (ISOCC), 2013

• Best Demo Award

• "Energy-efficient high-throughput iterative concatenated-BCH decoder for MLC flash memory"

• Youngjoo Lee, Hoyoung Yoo, Jaehwan Jung, Jihyuck Jo, and In-Cheol Park

Qualcomm Korea Innovation Contest, 2013

• Innovation Award

• "Energy-scalable low-complexity 4KB LDPC decoding architecture for solid-state drives"

• Youngjoo Lee and In-Cheol Park

International SoC Design Conference (ISOCC), 2011

• Best Design Award

• "8-pipeline-stage 32-bit embedded processor using dual clock domain"

• Jinook Song, Youngjoo Lee, Bongjin Kim, and In-Cheol Park

제 12회 대한민국 반도체 설계대전, 2011

• Special Award

• "오류에 강인한 다채널 대용량 MLC SSD 컨트롤러의 설계"

• 이영주, 유호영, 유인재 (지도교수: 박인철)

제 9회 대한민국 반도체 설계대전, 2008

• Bronze Medal

• "Scalable sound synthesis system"

• 김태환, 이영주 (지도교수: 박인철)