Youngchul Sung

Proceedings of the Advances in Neural Information Processing Systems 36: Annual Conference on Neural Information Processing Systems 2023, 2023

Sample-Efficient and Safe Deep Reinforcement Learning via Reset Deep Ensemble Agents.

[BibT_eX]

[DOI]

Proceedings of the Advances in Neural Information Processing Systems 36: Annual Conference on Neural Information Processing Systems 2023, 2023

Domain Adaptive Imitation Learning with Visual Observation.

[BibT_eX]

[DOI]

Proceedings of the Advances in Neural Information Processing Systems 36: Annual Conference on Neural Information Processing Systems 2023, 2023

An Adaptive Entropy-Regularization Framework for Multi-Agent Reinforcement Learning.

[BibT_eX]

[DOI]

Proceedings of the International Conference on Machine Learning, 2023

LESSON: Learning to Integrate Exploration Strategies for Reinforcement Learning via an Option Framework.

[BibT_eX]

[DOI]

Jeonghye Kim

Proceedings of the International Conference on Machine Learning, 2023

Parameter Sharing with Network Pruning for Scalable Multi-Agent Deep Reinforcement Learning.

[BibT_eX]

[DOI]

Proceedings of the 2023 International Conference on Autonomous Agents and Multiagent Systems, 2023

A Variational Approach to Mutual Information-Based Coordination for Multi-Agent Reinforcement Learning.

[BibT_eX]

[DOI]

Proceedings of the 2023 International Conference on Autonomous Agents and Multiagent Systems, 2023

2022

Channel Estimation Techniques for RIS-Assisted Communication: Millimeter-Wave and Sub-THz Systems.

[BibT_eX]

[DOI]

IEEE Veh. Technol. Mag., 2022

Training Signal Design for Sparse Channel Estimation in Intelligent Reflecting Surface-Assisted Millimeter-Wave Communication.

[BibT_eX]

[DOI]

IEEE Trans. Wirel. Commun., 2022

Quantile Constrained Reinforcement Learning: A Reinforcement Learning Framework Constraining Outage Probability.

[BibT_eX]

[DOI]

Proceedings of the Advances in Neural Information Processing Systems 35: Annual Conference on Neural Information Processing Systems 2022, 2022

MASER: Multi-Agent Reinforcement Learning with Subgoals Generated from Experience Replay Buffer.

[BibT_eX]

[DOI]

Proceedings of the International Conference on Machine Learning, 2022

Robust Imitation Learning against Variations in Environment Dynamics.

[BibT_eX]

[DOI]

Proceedings of the International Conference on Machine Learning, 2022

Blockwise Sequential Model Learning for Partially Observable Reinforcement Learning.

[BibT_eX]

[DOI]

Giseung Park

Sungho Choi

Proceedings of the Thirty-Sixth AAAI Conference on Artificial Intelligence, 2022

2021

A Max-Min Entropy Framework for Reinforcement Learning.

[BibT_eX]

[DOI]

Proceedings of the Advances in Neural Information Processing Systems 34: Annual Conference on Neural Information Processing Systems 2021, 2021

Diversity Actor-Critic: Sample-Aware Entropy Regularization for Sample-Efficient Exploration.

[BibT_eX]

[DOI]

Proceedings of the 38th International Conference on Machine Learning, 2021

Communication in Multi-Agent Reinforcement Learning: Intention Sharing.

[BibT_eX]

[DOI]

Jongeui Park

Proceedings of the 9th International Conference on Learning Representations, 2021

Training Signal Design for Sparse Channel Estimation in Millimeter-Wave Communication with Intelligent Reflecting Surfaces.

[BibT_eX]

[DOI]

Proceedings of the IEEE International Conference on Communications Workshops, 2021

2020

Fast Beam Search and Refinement for Millimeter-Wave Massive MIMO Based on Two-Level Phased Arrays.

[BibT_eX]

[DOI]

Jiho Song

IEEE Trans. Wirel. Commun., 2020

A Reinforcement Learning Formulation of the Lyapunov Optimization: Application to Edge Computing Systems with Queue Stability.

[BibT_eX]

[DOI]

Sohee Bae

CoRR, 2020

A Maximum Mutual Information Framework for Multi-Agent Reinforcement Learning.

[BibT_eX]

[DOI]

CoRR, 2020

Population-Guided Parallel Policy Search for Reinforcement Learning.

[BibT_eX]

[DOI]

Whiyoung Jung

Giseung Park

Proceedings of the 8th International Conference on Learning Representations, 2020

2019

A High-Diversity Transceiver Design for MISO Broadcast Channels.

[BibT_eX]

[DOI]

Hamid Jafarkhani

IEEE Trans. Wirel. Commun., 2019

Dimension-Wise Importance Sampling Weight Clipping for Sample-Efficient Reinforcement Learning.

[BibT_eX]

[DOI]

Proceedings of the 36th International Conference on Machine Learning, 2019

Message-Dropout: An Efficient Training Method for Multi-Agent Deep Reinforcement Learning.

[BibT_eX]

[DOI]

Myungsik Cho

Proceedings of the Thirty-Third AAAI Conference on Artificial Intelligence, 2019

2018

Beam Design and User Scheduling for Nonorthogonal Multiple Access With Multiple Antennas Based on Pareto Optimality.

[BibT_eX]

[DOI]

IEEE Trans. Signal Process., 2018

A New Approach to User Scheduling in Massive Multi-User MIMO Broadcast Channels.

[BibT_eX]

[DOI]

IEEE Trans. Commun., 2018

Tomlinson-Harashima Precoding-Aided Multi-Antenna Non-Orthogonal Multiple Access.

[BibT_eX]

[DOI]

CoRR, 2018

A High-Diversity Transceiver Design for K-User MISO Broadcast Channels.

[BibT_eX]

[DOI]

Hamid Jafarkhani

CoRR, 2018

Common Pilot Signal Design for Non-Orthogonal Multiple Access in 5G.

[BibT_eX]

[DOI]

Proceedings of the TENCON 2018, 2018

5G K-Simulator: Link Level Simulator for 5G.

[BibT_eX]

[DOI]

Proceedings of the 2018 IEEE International Symposium on Dynamic Spectrum Access Networks, 2018

2017

Filter Design for Generalized Frequency-Division Multiplexing.

[BibT_eX]

[DOI]

IEEE Trans. Signal Process., 2017

Multi-Batch Experience Replay for Fast Convergence of Continuous Action Control.

[BibT_eX]

[DOI]

CoRR, 2017

Beam Design and User Scheduling for Non-Orthogonal Multiple Access with Multiple Antennas Based on Pareto-Optimality.

[BibT_eX]

[DOI]

CoRR, 2017

A new transceiver architecture for multi-user MIMO communication based on mixture of linear and non-linear reception.

[BibT_eX]

[DOI]

Proceedings of the 18th IEEE International Workshop on Signal Processing Advances in Wireless Communications, 2017

Hybrid beamformer design for mmwave wideband multi-user MIMO-OFDM systems : (Invited paper).

[BibT_eX]

[DOI]

Yongjin Kwon

Jihoon Chung

Proceedings of the 18th IEEE International Workshop on Signal Processing Advances in Wireless Communications, 2017

2016

Randomly-Directional Beamforming in Millimeter-Wave Multiuser MISO Downlink.

[BibT_eX]

[DOI]

IEEE Trans. Wirel. Commun., 2016

Training Beam Sequence Design for Millimeter-Wave MIMO Systems: A POMDP Framework.

[BibT_eX]

[DOI]

IEEE Trans. Signal Process., 2016

On the Performance of Random Beamforming in Sparse Millimeter Wave Channels.

[BibT_eX]

[DOI]

Marios Kountouris

IEEE J. Sel. Top. Signal Process., 2016

Improving Non-Orthogonal Multiple Access by Forming Relaying Broadcast Channels.

[BibT_eX]

[DOI]

IEEE Commun. Lett., 2016

Impact of training on mmWave multi-user MIMO downlink.

[BibT_eX]

[DOI]

Proceedings of the 2016 IEEE Global Conference on Signal and Information Processing, 2016

2015

Two-Stage Beamformer Design for Massive MIMO Downlink By Trace Quotient Formulation.

[BibT_eX]

[DOI]

IEEE Trans. Commun., 2015

Pilot Signal Design for Massive MIMO Systems: A Received Signal-To-Noise-Ratio-Based Approach.

[BibT_eX]

[DOI]

IEEE Signal Process. Lett., 2015

Enhancing Non-Orthogonal Multiple Access By Forming Relaying Broadcast Channels.

[BibT_eX]

[DOI]

CoRR, 2015

Pilot beam sequence design for channel estimation in millimeter-wave MIMO systems: A POMDP framework.

[BibT_eX]

[DOI]

Proceedings of the 16th IEEE International Workshop on Signal Processing Advances in Wireless Communications, 2015

On the performance of randomly directional beamforming between line-of-sight and rich scattering channels.

[BibT_eX]

[DOI]

Marios Kountouris

Proceedings of the 16th IEEE International Workshop on Signal Processing Advances in Wireless Communications, 2015

How many users are needed for non-trivial performance of random beamforming in highly-directional mm-wave MIMO downlink?

[BibT_eX]

[DOI]

Proceedings of the 2015 IEEE Information Theory Workshop, 2015

2014

A New Precoder Design for Blind Channel Estimation in MIMO-OFDM Systems.

[BibT_eX]

[DOI]

Michael D. Zoltowski

IEEE Trans. Wirel. Commun., 2014

Beam Tracking for Interference Alignment in Time-Varying MIMO Interference Channels: A Conjugate-Gradient-Based Approach.

[BibT_eX]

[DOI]

Junse Lee

IEEE Trans. Veh. Technol., 2014

Filter-And-Forward Relay Design for MIMO-OFDM Systems.

[BibT_eX]

[DOI]

Jihoon Chung

IEEE Trans. Commun., 2014

Pilot Beam Pattern Design for Channel Estimation in Massive MIMO Systems.

[BibT_eX]

[DOI]

IEEE J. Sel. Top. Signal Process., 2014

Randomly-Directional Beamforming in Millimeter-Wave Multi-User MIMO Downlink.

[BibT_eX]

[DOI]

CoRR, 2014

Asymptotically optimal simple user scheduling for massive MIMO downlink with two-stage beamforming.

[BibT_eX]

[DOI]

Proceedings of the 2014 IEEE 15th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), 2014

Some new results on index coding when the number of data is less than the number of receivers.

[BibT_eX]

[DOI]

Sangwoon Kwak

Proceedings of the 2014 IEEE International Symposium on Information Theory, Honolulu, HI, USA, June 29, 2014

An extended least difference greedy clique-cover algorithm for index coding.

[BibT_eX]

[DOI]

Sangwoon Kwak

Proceedings of the 2014 IEEE International Symposium on Information Theory, Honolulu, HI, USA, June 29, 2014

Training signal design for channel estimation in massive MIMO systems.

[BibT_eX]

[DOI]

Proceedings of the IEEE International Conference on Acoustics, 2014

2013

Filter-and-Forward Transparent Relay Design for OFDM Systems.

[BibT_eX]

[DOI]

IEEE Trans. Veh. Technol., 2013

Dual-Domain Adaptive Beamformer Under Linearly and Quadratically Constrained Minimum Variance.

[BibT_eX]

[DOI]

Masahiro Yukawa

IEEE Trans. Signal Process., 2013

On the Pareto-Optimal Beam Structure and Design for Multi-User MIMO Interference Channels.

[BibT_eX]

[DOI]

IEEE Trans. Signal Process., 2013

Coordinated Beamforming With Relaxed Zero Forcing: The Sequential Orthogonal Projection Combining Method and Rate Control.

[BibT_eX]

[DOI]

IEEE Trans. Signal Process., 2013

Guest Editorial: Theories and Methods for Advanced Wireless Relays - Issue II.

[BibT_eX]

[DOI]

IEEE J. Sel. Areas Commun., 2013

An efficient parameterization for Pareto-optimal beamformers for k-user MIMO interference channels.

[BibT_eX]

[DOI]

Proceedings of the IEEE International Conference on Acoustics, 2013

Optimal pilot beam pattern design for massive MIMO systems.

[BibT_eX]

[DOI]

Proceedings of the 2013 Asilomar Conference on Signals, 2013

2012

Outage Probability and Outage-Based Robust Beamforming for MIMO Interference Channels with Imperfect Channel State Information.

[BibT_eX]

[DOI]

IEEE Trans. Wirel. Commun., 2012

Beam Tracking for Interference Alignment in Slowly Fading MIMO Interference Channels: A Perturbations Approach Under a Linear Framework.

[BibT_eX]

[DOI]

IEEE Trans. Signal Process., 2012

A Joint Time-Invariant Filtering Approach to the Linear Gaussian Relay Problem.

[BibT_eX]

[DOI]

Cheulsoon Kim

IEEE Trans. Signal Process., 2012

A Nonlinear Transceiver Architecture for Overloaded Multiuser MIMO Interference Channels.

[BibT_eX]

[DOI]

IEEE Trans. Commun., 2012

Generalized Chernoff Information for Mismatched Bayesian Detection and Its Application to Energy Detection.

[BibT_eX]

[DOI]

Yuni Lee

IEEE Signal Process. Lett., 2012

Guest Editorial Theories and Methods for Advanced Wireless Relays - Issue I.

[BibT_eX]

[DOI]

IEEE J. Sel. Areas Commun., 2012

An Efficient Algorithm for Zero-Forcing Coordinated Beamforming.

[BibT_eX]

[DOI]

IEEE Commun. Lett., 2012

Coordinate Beamforming with Relaxed Zero Forcing: The Sequential Orthogonal Projection Combining Method and Rate Control

[BibT_eX]

[DOI]

CoRR, 2012

Asymmetric complex signaling for full-duplex decode-and-forward relay channels.

[BibT_eX]

[DOI]

Proceedings of the International Conference on Information and Communication Technology Convergence, 2012

The Bahadur efficiency for energy detection of stationary Gaussian processes.

[BibT_eX]

[DOI]

Yuni Lee

Proceedings of the 2012 IEEE International Conference on Acoustics, 2012

A new approach to beamformer design for massive MIMO systems based on k-Regularity.

[BibT_eX]

[DOI]

Proceedings of the Workshops Proceedings of the Global Communications Conference, 2012

Time-Dependent User Profiling for TV Recommendation.

[BibT_eX]

[DOI]

Proceedings of the 2012 Second International Conference on Cloud and Green Computing, 2012

Filter-and-forward relay design for OFDM systems for quality-of-service enhancement.

[BibT_eX]

[DOI]

Proceedings of the Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2012

2011

The capacity for the linear time-invariant Gaussian relay channel

[BibT_eX]

[DOI]

Cheulsoon Kim

CoRR, 2011

Coordinated beamforming with relaxed zero forcing.

[BibT_eX]

[DOI]

Proceedings of the 2011 International Conference on Wireless Communications & Signal Processing, 2011

Adaptive beam tracking for interference alignment in time-varying MIMO interference channels: Conjugate gradient approach.

[BibT_eX]

[DOI]

Proceedings of the IEEE International Conference on Acoustics, 2011

Sum Outage-Rate Maximization for MIMO Interference Channels.

[BibT_eX]

[DOI]

Proceedings of the Global Communications Conference, 2011

2010

Cross-Layer Performance Analysis for CSMA/CA Protocols: Impact of Imperfect Sensing.

[BibT_eX]

[DOI]

IEEE Trans. Veh. Technol., 2010

Least squares approach to joint beam design for interference alignment in multiuser multi-input multi-output interference channels.

[BibT_eX]

[DOI]

IEEE Trans. Signal Process., 2010

On Beamformer Design for Multiuser MIMO Interference Channels

[BibT_eX]

[DOI]

CoRR, 2010

Adaptive beam tracking for interference alignment for multiuser time-varying MIMO interference channels.

[BibT_eX]

[DOI]

Proceedings of the IEEE International Conference on Acoustics, 2010

2009

How much information can one get from a wireless ad hoc sensor network over a correlated random field?

[BibT_eX]

[DOI]

IEEE Trans. Inf. Theory, 2009

Upper Bound for the Loss of Energy Detection of Signals in Multipath Fading Channels.

[BibT_eX]

[DOI]

Yirang Lim

IEEE Signal Process. Lett., 2009

RawPEACH: Multiband CSMA/CA-based cognitive radio networks.

[BibT_eX]

[DOI]

J. Commun. Networks, 2009

Signal processing advances for 3G WCDMA: From rake receivers to blind techniques.

[BibT_eX]

[DOI]

Yirang Lim

Alle-Jan van der Veen

IEEE Commun. Mag., 2009

Amplify-Forward Relays with Superimposed Pilot Signals for Frequency-Selective Fading Channels.

[BibT_eX]

[DOI]

Proceedings of the 69th IEEE Vehicular Technology Conference, 2009

Multi-band CSMA/CA-based cognitive radio networks.

[BibT_eX]

[DOI]

Proceedings of the International Conference on Wireless Communications and Mobile Computing: Connecting the World Wirelessly, 2009

Upper bound for the loss factor of energy detection of random signals in multipath fading cognitive radios.

[BibT_eX]

[DOI]

Yirang Lim

Proceedings of the IEEE International Conference on Acoustics, 2009

2008

Sensor Configuration and Activation for Field Detection in Large Sensor Arrays.

[BibT_eX]

[DOI]

IEEE Trans. Signal Process., 2008

Optimal Node Density for Two-Dimensional Sensor Arrays

[BibT_eX]

[DOI]

CoRR, 2008

Information, energy and density for Ad Hoc sensor networks over correlated random fields: Large deviations analysis.

[BibT_eX]

[DOI]

Proceedings of the 2008 IEEE International Symposium on Information Theory, 2008

On optimal operating characteristics of sensing and training for cognitive radios.

[BibT_eX]

[DOI]

Proceedings of the IEEE International Conference on Acoustics, 2008

Large deviations analysis for the detection of 2D hidden Gauss-Markov random fields using sensor networks.

[BibT_eX]

[DOI]

Proceedings of the IEEE International Conference on Acoustics, 2008

Analysis of CSMA/CA Systems under Carrier Sensing Error: Throughput, Delay and Sensitivity.

[BibT_eX]

[DOI]

Proceedings of the Global Communications Conference, 2008. GLOBECOM 2008, New Orleans, LA, USA, 30 November, 2008

2007

Cooperative routing for distributed detection in large sensor networks.

[BibT_eX]

[DOI]

IEEE J. Sel. Areas Commun., 2007

2006

Neyman-pearson detection of gauss-Markov signals in noise: closed-form error exponentand properties.

[BibT_eX]

[DOI]

IEEE Trans. Inf. Theory, 2006

Signal processing for application-specific ad hoc networks.

[BibT_eX]

[DOI]

IEEE Signal Process. Mag., 2006

2005

Asymptotic locally optimal detector for large-scale sensor networks under the Poisson regime.

[BibT_eX]

[DOI]

Ananthram Swami

IEEE Trans. Signal Process., 2005

Optimal and Suboptimal Detection of Gaussian Signals in Noise: Asymptotic Relative Efficiency

[BibT_eX]

[DOI]

CoRR, 2005

Neyman-Pearson detection of Gauss-Markov signals in noise: closed-form error exponent and properties.

[BibT_eX]

[DOI]

Proceedings of the 2005 IEEE International Symposium on Information Theory, 2005

Sensor configuration and activation for field detection in large sensor arrays.

[BibT_eX]

[DOI]

Proceedings of the Fourth International Symposium on Information Processing in Sensor Networks, 2005

A large deviations approach to sensor scheduling for detection of correlated random fields.

[BibT_eX]

[DOI]

Proceedings of the 2005 IEEE International Conference on Acoustics, 2005

2004

Tracking of fast-fading channels in long-code CDMA.

[BibT_eX]

[DOI]

IEEE Trans. Signal Process., 2004

Blind Channel Estimation for Space-Time Coded WCDMA.

[BibT_eX]

[DOI]

Ananthram Swami

EURASIP J. Wirel. Commun. Netw., 2004

2003

Blind decorrelating RAKE receivers for long-code WCDMA.

[BibT_eX]

[DOI]

Alle-Jan van der Veen

Patrick M. Dewilde

IEEE Trans. Signal Process., 2003

Semiblind channel estimation for space-time coded WCDMA.

[BibT_eX]

[DOI]

Ananthram Swami

Proceedings of IEEE International Conference on Communications, 2003

2002

A projection-based semi-blind channel estimation for long-code WCDMA.

[BibT_eX]

[DOI]