Youngchul Sung

ORCID

Publication Activity (10 Years)

Years Active: 2002-2024
Publications (10 Years): 69

Top Venues

CoRR

ICML

IEEE Trans. Wirel. Commun.

SPAWC

Publications

Jeonghye Kim, Suyoung Lee, Woojun Kim, Youngchul Sung
Decision ConvFormer: Local Filtering in MetaFormer is Sufficient for Decision Making. ICLR (2024)
Giseung Park, Woohyeon Byeon, Seongmin Kim, Elad Havakuk, Amir Leshem, Youngchul Sung
The Max-Min Formulation of Multi-Objective Reinforcement Learning: From Theory to a Model-Free Algorithm. CoRR (2024)
Jeonghye Kim, Suyoung Lee, Woojun Kim, Youngchul Sung
Value-Aided Conditional Supervised Learning for Offline RL. CoRR (2024)
Woojun Kim, Whiyoung Jung, Myungsik Cho, Youngchul Sung
A Variational Approach to Mutual Information-Based Coordination for Multi-Agent Reinforcement Learning. CoRR (2023)
Woojun Kim, Youngchul Sung
Parameter Sharing with Network Pruning for Scalable Multi-Agent Deep Reinforcement Learning. CoRR (2023)
Woojun Kim, Yongjae Shin, Jongeui Park, Youngchul Sung
Sample-Efficient and Safe Deep Reinforcement Learning via Reset Deep Ensemble Agents. CoRR (2023)
Sungho Choi, Seungyul Han, Woojun Kim, Jongseong Chae, Whiyoung Jung, Youngchul Sung
Domain Adaptive Imitation Learning with Visual Observation. CoRR (2023)
Woojun Kim, Jeonghye Kim, Youngchul Sung
LESSON: Learning to Integrate Exploration Strategies for Reinforcement Learning via an Option Framework. ICML (2023)
Jeonghye Kim, Suyoung Lee, Woojun Kim, Youngchul Sung
Decision ConvFormer: Local Filtering in MetaFormer is Sufficient for Decision Making. CoRR (2023)
Sungho Choi, Seungyul Han, Woojun Kim, Jongseong Chae, Whiyoung Jung, Youngchul Sung
Domain Adaptive Imitation Learning with Visual Observation. NeurIPS (2023)
Suyoung Lee, Myungsik Cho, Youngchul Sung
Parameterizing Non-Parametric Meta-Reinforcement Learning Tasks via Subtask Decomposition. NeurIPS (2023)
Song Noh, Kyungsik Seo, Youngchul Sung, David J. Love, Junse Lee, Heejung Yu
Joint Direct and Indirect Channel Estimation for RIS-Assisted Millimeter-Wave Systems Based on Array Signal Processing. IEEE Trans. Wirel. Commun. 22 (11) (2023)
Woojun Kim, Jeonghye Kim, Youngchul Sung
LESSON: Learning to Integrate Exploration Strategies for Reinforcement Learning via an Option Framework. CoRR (2023)
Woojun Kim, Yongjae Shin, Jongeui Park, Youngchul Sung
Sample-Efficient and Safe Deep Reinforcement Learning via Reset Deep Ensemble Agents. NeurIPS (2023)
Woojun Kim, Whiyoung Jung, Myungsik Cho, Youngchul Sung
A Variational Approach to Mutual Information-Based Coordination for Multi-Agent Reinforcement Learning. AAMAS (2023)
Md. Shahjalal, Woojun Kim, Waqas Khalid, Seokjae Moon, Murad Khan, Shuzhi Liu, Suhyeon Lim, Eunjin Kim, Deok Won Yun, Joohyun Lee, Won Cheol Lee, Seung-Hoon Hwang, Dongkyun Kim, Jang-Won Lee, Heejung Yu, Youngchul Sung, Yeong Min Jang
Enabling technologies for AI empowered 6G massive radio access networks. ICT Express 9 (3) (2023)
Woojun Kim, Youngchul Sung
Parameter Sharing with Network Pruning for Scalable Multi-Agent Deep Reinforcement Learning. AAMAS (2023)
Woojun Kim, Youngchul Sung
An Adaptive Entropy-Regularization Framework for Multi-Agent Reinforcement Learning. ICML (2023)
Jeewon Jeon, Woojun Kim, Whiyoung Jung, Youngchul Sung
MASER: Multi-Agent Reinforcement Learning with Subgoals Generated from Experience Replay Buffer. ICML (2022)
Jongseong Chae, Seungyul Han, Whiyoung Jung, Myungsik Cho, Sungho Choi, Youngchul Sung
Robust Imitation Learning against Variations in Environment Dynamics. CoRR (2022)
Song Noh, Junse Lee, Gilwon Lee, Kyungsik Seo, Youngchul Sung, Heejung Yu
Channel Estimation Techniques for RIS-Assisted Communication: Millimeter-Wave and Sub-THz Systems. IEEE Veh. Technol. Mag. 17 (2) (2022)
Whiyoung Jung, Myungsik Cho, Jongeui Park, Youngchul Sung
Quantile Constrained Reinforcement Learning: A Reinforcement Learning Framework Constraining Outage Probability. NeurIPS (2022)
Giseung Park, Sungho Choi, Youngchul Sung
Blockwise Sequential Model Learning for Partially Observable Reinforcement Learning. AAAI (2022)
Song Noh, Heejung Yu, Youngchul Sung
Training Signal Design for Sparse Channel Estimation in Intelligent Reflecting Surface-Assisted Millimeter-Wave Communication. IEEE Trans. Wirel. Commun. 21 (4) (2022)
Jongseong Chae, Seungyul Han, Whiyoung Jung, Myungsik Cho, Sungho Choi, Youngchul Sung
Robust Imitation Learning against Variations in Environment Dynamics. ICML (2022)
Jeewon Jeon, Woojun Kim, Whiyoung Jung, Youngchul Sung
MASER: Multi-Agent Reinforcement Learning with Subgoals Generated from Experience Replay Buffer. CoRR (2022)
Whiyoung Jung, Myungsik Cho, Jongeui Park, Youngchul Sung
Quantile Constrained Reinforcement Learning: A Reinforcement Learning Framework Constraining Outage Probability. CoRR (2022)
Seungyul Han, Youngchul Sung
A Max-Min Entropy Framework for Reinforcement Learning. NeurIPS (2021)
Seungyul Han, Youngchul Sung
Diversity Actor-Critic: Sample-Aware Entropy Regularization for Sample-Efficient Exploration. ICML (2021)
Woojun Kim, Jongeui Park, Youngchul Sung
Communication in Multi-Agent Reinforcement Learning: Intention Sharing. ICLR (2021)
Giseung Park, Sungho Choi, Youngchul Sung
Blockwise Sequential Model Learning for Partially Observable Reinforcement Learning. CoRR (2021)
Seungyul Han, Youngchul Sung
A Max-Min Entropy Framework for Reinforcement Learning. CoRR (2021)
Song Noh, Heejung Yu, Youngchul Sung
Training Signal Design for Sparse Channel Estimation in Millimeter-Wave Communication with Intelligent Reflecting Surfaces. ICC Workshops (2021)
Whiyoung Jung, Giseung Park, Youngchul Sung
Population-Guided Parallel Policy Search for Reinforcement Learning. CoRR (2020)
Seungyul Han, Youngchul Sung
Diversity Actor-Critic: Sample-Aware Entropy Regularization for Sample-Efficient Exploration. CoRR (2020)
Sungho Choi, Seungyul Han, Woojun Kim, Youngchul Sung
Cross-Domain Imitation Learning with a Dual Structure. CoRR (2020)
Sohee Bae, Seungyul Han, Youngchul Sung
A Reinforcement Learning Formulation of the Lyapunov Optimization: Application to Edge Computing Systems with Queue Stability. CoRR (2020)
Whiyoung Jung, Giseung Park, Youngchul Sung
Population-Guided Parallel Policy Search for Reinforcement Learning. ICLR (2020)
Woojun Kim, Whiyoung Jung, Myungsik Cho, Youngchul Sung
A Maximum Mutual Information Framework for Multi-Agent Reinforcement Learning. CoRR (2020)
Song Noh, Heejung Yu, Youngchul Sung
Training Signal Design for Sparse Channel Estimation in Intelligent Reflecting Surface-Assisted Millimeter-Wave Communication. CoRR (2020)
Song Noh, Jiho Song, Youngchul Sung
Fast Beam Search and Refinement for Millimeter-Wave Massive MIMO Based on Two-Level Phased Arrays. IEEE Trans. Wirel. Commun. 19 (10) (2020)
Seungyul Han, Youngchul Sung
Dimension-Wise Importance Sampling Weight Clipping for Sample-Efficient Reinforcement Learning. CoRR (2019)
Seungyul Han, Youngchul Sung
Dimension-Wise Importance Sampling Weight Clipping for Sample-Efficient Reinforcement Learning. ICML (2019)
Junyeong Seo, Youngchul Sung, Hamid Jafarkhani
A High-Diversity Transceiver Design for MISO Broadcast Channels. IEEE Trans. Wirel. Commun. 18 (5) (2019)
Woojun Kim, Myungsik Cho, Youngchul Sung
Message-Dropout: An Efficient Training Method for Multi-Agent Deep Reinforcement Learning. AAAI (2019)
Woojun Kim, Myungsik Cho, Youngchul Sung
Message-Dropout: An Efficient Training Method for Multi-Agent Deep Reinforcement Learning. CoRR (2019)
Jungho So, Youngchul Sung, Yong Hoon Lee
Tomlinson-Harashima Precoding-Aided Multi-Antenna Non-Orthogonal Multiple Access. CoRR (2018)
Jungho So, Youngchul Sung
Common Pilot Signal Design for Non-Orthogonal Multiple Access in 5G. TENCON (2018)
Giseung Park, Sangwoo Park, Junyeong Seo, Jungho So, Woowan Wang, Seungmin Yoo, Seung-Chan Lim, Jihoon Chung, Myungsik Cho, Daehan Ha, Joonhyuk Kang, Hyuncheol Park, Youngchul Sung
5G K-Simulator: Link Level Simulator for 5G. DySPAN (2018)
Junyeong Seo, Youngchul Sung
Beam Design and User Scheduling for Nonorthogonal Multiple Access With Multiple Antennas Based on Pareto Optimality. IEEE Trans. Signal Process. 66 (11) (2018)
Gilwon Lee, Youngchul Sung
A New Approach to User Scheduling in Massive Multi-User MIMO Broadcast Channels. IEEE Trans. Commun. 66 (4) (2018)
Junyeong Seo, Youngchul Sung, Hamid Jafarkhani
A High-Diversity Transceiver Design for K-User MISO Broadcast Channels. CoRR (2018)
Junyeong Seo, Youngchul Sung
A new transceiver architecture for multi-user MIMO communication based on mixture of linear and non-linear reception. SPAWC (2017)
Seungyul Han, Youngchul Sung, Yong Hoon Lee
Filter Design for Generalized Frequency-Division Multiplexing. IEEE Trans. Signal Process. 65 (7) (2017)
Junyeong Seo, Youngchul Sung
Beam Design and User Scheduling for Non-Orthogonal Multiple Access with Multiple Antennas Based on Pareto-Optimality. CoRR (2017)
Yongjin Kwon, Jihoon Chung, Youngchul Sung
Hybrid beamformer design for mmwave wideband multi-user MIMO-OFDM systems : (Invited paper). SPAWC (2017)
Seungyul Han, Youngchul Sung
Multi-Batch Experience Replay for Fast Convergence of Continuous Action Control. CoRR (2017)
Gilwon Lee, Youngchul Sung, Junyeong Seo
Randomly-Directional Beamforming in Millimeter-Wave Multiuser MISO Downlink. IEEE Trans. Wirel. Commun. 15 (2) (2016)
Seungyul Han, Youngchul Sung, Yong Hoon Lee
Filter Design for Generalized Frequency-Division Multiplexing. CoRR (2016)
Gilwon Lee, Jungho So, Youngchul Sung
Impact of training on mmWave multi-user MIMO downlink. GlobalSIP (2016)
Gilwon Lee, Youngchul Sung, Marios Kountouris
On the Performance of Random Beamforming in Sparse Millimeter Wave Channels. IEEE J. Sel. Top. Signal Process. 10 (3) (2016)
Junyeong Seo, Youngchul Sung, Gilwon Lee, Donggun Kim
Training Beam Sequence Design for Millimeter-Wave MIMO Systems: A POMDP Framework. IEEE Trans. Signal Process. 64 (5) (2016)
Jungho So, Youngchul Sung
Improving Non-Orthogonal Multiple Access by Forming Relaying Broadcast Channels. IEEE Commun. Lett. 20 (9) (2016)
Gilwon Lee, Youngchul Sung, Junyeong Seo
How many users are needed for non-trivial performance of random beamforming in highly-directional mm-wave MIMO downlink? ITW Fall (2015)
Jungho So, Donggun Kim, Yuni Lee, Youngchul Sung
Pilot Signal Design for Massive MIMO Systems: A Received Signal-To-Noise-Ratio-Based Approach. IEEE Signal Process. Lett. 22 (5) (2015)
Donggun Kim, Gilwon Lee, Youngchul Sung
Two-Stage Beamformer Design for Massive MIMO Downlink By Trace Quotient Formulation. IEEE Trans. Commun. 63 (6) (2015)
Jungho So, Youngchul Sung
Enhancing Non-Orthogonal Multiple Access By Forming Relaying Broadcast Channels. CoRR (2015)
Gilwon Lee, Youngchul Sung, Marios Kountouris
On the performance of randomly directional beamforming between line-of-sight and rich scattering channels. SPAWC (2015)
Junyeong Seo, Youngchul Sung, Gilwon Lee, Donggun Kim
Pilot beam sequence design for channel estimation in millimeter-wave MIMO systems: A POMDP framework. SPAWC (2015)
Song Noh, Michael D. Zoltowski, Youngchul Sung, David J. Love
Training signal design for channel estimation in massive MIMO systems. ICASSP (2014)
Junyeong Seo, Youngchul Sung, Gilwon Lee, Donggun Kim
Training Beam Sequence Design for Millimeter-Wave MIMO Systems: A POMDP Framework. CoRR (2014)
Sangwoon Kwak, Jungho So, Youngchul Sung
An extended least difference greedy clique-cover algorithm for index coding. ISIT (2014)
Junse Lee, Heejung Yu, Youngchul Sung
Beam Tracking for Interference Alignment in Time-Varying MIMO Interference Channels: A Conjugate-Gradient-Based Approach. IEEE Trans. Veh. Technol. 63 (2) (2014)
Junyeong Seo, Youngchul Sung, Gilwon Lee, Donggun Kim
Pilot Beam Sequence Design for Channel Estimation in Millimeter-Wave MIMO Systems: A POMDP Framework. CoRR (2014)
Gilwon Lee, Youngchul Sung
Asymptotically optimal simple user scheduling for massive MIMO downlink with two-stage beamforming. SPAWC (2014)
Gilwon Lee, Youngchul Sung, Junyeong Seo
Randomly-Directional Beamforming in Millimeter-Wave Multi-User MIMO Downlink. CoRR (2014)
Donggun Kim, Youngchul Sung, Jihoon Chung
Filter-And-Forward Relay Design for MIMO-OFDM Systems. IEEE Trans. Commun. 62 (7) (2014)
Donggun Kim, Gilwon Lee, Youngchul Sung
Two-Stage Beamformer Design for Massive MIMO Downlink By Trace Quotient Formulation. CoRR (2014)
Gilwon Lee, Youngchul Sung
A New Approach to User Scheduling in Massive Multi-User MIMO Broadcast Channels. CoRR (2014)
Song Noh, Youngchul Sung, Michael D. Zoltowski
A New Precoder Design for Blind Channel Estimation in MIMO-OFDM Systems. IEEE Trans. Wirel. Commun. 13 (12) (2014)
Song Noh, Michael D. Zoltowski, Youngchul Sung, David James Love
Pilot Beam Pattern Design for Channel Estimation in Massive MIMO Systems. IEEE J. Sel. Top. Signal Process. 8 (5) (2014)
Jungho So, Donggun Kim, Yuni Lee, Youngchul Sung
Pilot Signal Design for Massive MIMO Systems: A Received Signal-To-Noise-Ratio-Based Approach. CoRR (2014)
Jungho So, Sangwoon Kwak, Youngchul Sung
Some new results on index coding when the number of data is less than the number of receivers. ISIT (2014)
Juho Park, Gilwon Lee, Youngchul Sung, Masahiro Yukawa
Coordinated Beamforming With Relaxed Zero Forcing: The Sequential Orthogonal Projection Combining Method and Rate Control. IEEE Trans. Signal Process. 61 (12) (2013)
Song Noh, Michael D. Zoltowski, Youngchul Sung, David J. Love
Pilot Beam Pattern Design for Channel Estimation in Massive MIMO Systems. CoRR (2013)
Juho Park, Youngchul Sung
On the Pareto-Optimal Beam Structure and Design for Multi-User MIMO Interference Channels. IEEE Trans. Signal Process. 61 (23) (2013)
Donggun Kim, Youngchul Sung, Jihoon Chung
Filter-And-Forward Relay Design for MIMO-OFDM Systems. CoRR (2013)
Yingbo Hua, Daniel W. Bliss, Saeed Gazor, Yue Rong, Youngchul Sung
Guest Editorial: Theories and Methods for Advanced Wireless Relays - Issue II. IEEE J. Sel. Areas Commun. 31 (8) (2013)
Song Noh, Michael D. Zoltowski, Youngchul Sung, David J. Love
Optimal pilot beam pattern design for massive MIMO systems. ACSSC (2013)
Juho Park, Youngchul Sung
An efficient parameterization for Pareto-optimal beamformers for k-user MIMO interference channels. ICASSP (2013)
Masahiro Yukawa, Youngchul Sung, Gilwon Lee
Dual-Domain Adaptive Beamformer Under Linearly and Quadratically Constrained Minimum Variance. IEEE Trans. Signal Process. 61 (11) (2013)
Donggun Kim, Junyeong Seo, Youngchul Sung
Filter-and-Forward Transparent Relay Design for OFDM Systems. IEEE Trans. Veh. Technol. 62 (9) (2013)
Haksoo Kim, Heejung Yu, Youngchul Sung, Yong Hoon Lee
An Efficient Algorithm for Zero-Forcing Coordinated Beamforming. IEEE Commun. Lett. 16 (7) (2012)
Cheulsoon Kim, Eui-Rim Jeong, Youngchul Sung, Yong Hoon Lee
Asymmetric complex signaling for full-duplex decode-and-forward relay channels. ICTC (2012)
Yingbo Hua, Daniel W. Bliss, Saeed Gazor, Yue Rong, Youngchul Sung
Guest Editorial Theories and Methods for Advanced Wireless Relays - Issue I. IEEE J. Sel. Areas Commun. 30 (8) (2012)
Yuni Lee, Youngchul Sung
The Bahadur efficiency for energy detection of stationary Gaussian processes. ICASSP (2012)
Youngseok Oh, Heejung Yu, Yong Hoon Lee, Youngchul Sung
A Nonlinear Transceiver Architecture for Overloaded Multiuser MIMO Interference Channels. IEEE Trans. Commun. 60 (4) (2012)
Donggun Kim, Junyeong Seo, Youngchul Sung
Filter-and-Forward Transparent Relay Design for OFDM Systems CoRR (2012)
Jinoh Oh, Youngchul Sung, Jinha Kim, Muhammad Humayoun, Young-Ho Park, Hwanjo Yu
Time-Dependent User Profiling for TV Recommendation. CGC (2012)
Donggun Kim, Junyeong Seo, Youngchul Sung
Filter-and-forward relay design for OFDM systems for quality-of-service enhancement. APSIPA (2012)

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Publication Activity (10 Years)

Top Topics

Top Venues

Youngchul Sung