Seung Yeon Yoo
Yonsei University · Medicine
About the Lab
Professor Seung Yeon Yoo's research lab specializes in biomedical signal processing and intelligent wireless communication systems. The lab focuses on developing advanced non-invasive methods for assessing systemic circulation using pulse wave analysis, particularly in individuals with normal blood pressure who remain at risk for cardiovascular events. Additionally, the lab pioneers adaptive modulation techniques in MIMO-OFDM wireless systems, leveraging ARQ feedback for real-time transmission rate optimization without dedicated feedback channels. These interdisciplinary efforts bridge biomedical engineering and telecommunications to enhance health monitoring and wireless network efficiency.
Research Overview
Research Output Trend
Figures are computed from collected data and may differ slightly.
Selected Papers
4Objectives : Recently, people who have normal brachial blood pressure(BP) are being threatened by high-risk disease such as stroke. The aim of this study is to suggest that new method to assess systemic circulation. It can be performed by analyzing optimal blood pulse wave on 3 sites belonging to subjects that have normal BP. Methods : We respectively extracted main peaks(h1) of optimal blood pulse wave on left/right temporal artery(LR1=h1), radial artery(LR2=h1) and dorsalis pedis artery(LR3=h1
본 논문에서는 IEEE 802.11a OFDM(Orthogonal Frequency Division Multiplexing) 기반의 MIMO(Multiple Input Multiple Output) 시스템에서 별도의 피드백 채널 없이 ARQ(Automatic Repeat Request) 신호를 이용한 적응변조 기법을 제안한다. 제안한 기법은 일정수의 ACK(Acknowledgement)를 수신하면 이전 패킷의 변조단계로부터 변조 단계를 올리고 일정수의 NACK(Non-acknowledgement)를 수신하면 변조단계를 낮춤으로써 최적의 변조율을 추정하는 기술로 간단하고 빠른 수렴 속도를 갖는 장점이 있다. MIMO 시스템 기반의 본 논문에서는 모든 안테나의 전송률을 동일하게 조절하는 SRC(Same Rate Control)기법과 안테나별로 독립적으로 전송률을 조절하는 IRC(Individual Rate Control) 기법을 제안한다. 다양한 모의실험을 통하여 제안한 적응변조 기법들
Research Areas
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