Songnam Hong

41 papers B 4Journal 23Unranked 14
YearRankTypeTitle / Venue / Authors
2026 J jnl
Piecewise Beam Training and Channel Estimation for RIS-Aided Near-Field Communications.
IEEE Trans. Wirel. Commun.
Jeongjae Lee, Songnam Hong
2026 J jnl
QIPPO/CA: A Quantized Communication-Efficient MARL Framework for Fully Distributed Channel Access in Next-Generation Wireless Networks.
IEEE Internet Things J.
Sungweon Hong, Yeonseo Jeong, Ukjo Hwang, Songnam Hong
2025 — conf
A Fully Independent MARL for Collision Avoidance in Distributed Channel Access.
VTC2025-Fall
Sungweon Hong, Yeonseo Jeong, Ukjo Hwang, Songnam Hong
2025 J jnl
Asymptotically Near-Optimal Hybrid Beamforming for mmWave IRS-Aided MIMO Systems.
IEEE Trans. Veh. Technol.
Jeongjae Lee, Songnam Hong
2025 J jnl
Blind Massive MIMO for Dense IoT Networks.
IEEE Internet Things J.
Jeongjae Lee, Songnam Hong
2025 J jnl
FedLSC: Improving Communication Efficiency and Robustness in Federated Learning With Stragglers and Adversaries.
IEEE Trans. Neural Networks Learn. Syst.
Hyeong-Gun Joo, Songnam Hong, Dong-Joon Shin
2025 J jnl
Hi-SAFE: Hierarchical Secure Aggregation for Lightweight Federated Learning.
CoRR
Hyeong-Gun Joo, Songnam Hong, Seunghwan Lee, Dong-Joon Shin
2025 J jnl
Moderate Actor-Critic Methods: Controlling Overestimation Bias via Expectile Loss.
CoRR
Ukjo Hwang, Songnam Hong
2025 J jnl
Near-Field Channel Estimation for XL-RIS Assisted Multi-User XL-MIMO Systems: Hybrid Beamforming Architectures.
IEEE Trans. Commun.
Jeongjae Lee, Hyeonjin Chung, Yunseong Cho, Sunwoo Kim, Songnam Hong
2025 B conf
Near-Field LoS Channel Estimation for RIS-Aided MU-MIMO Systems.
WCNC
Jeongjae Lee, Songnam Hong
2025 J jnl
Near-Field LoS/NLoS Channel Estimation for RIS-Aided MU-MIMO Systems: Piece-Wise Low-Rank Approximation Approach.
IEEE Trans. Wirel. Commun.
Jeongjae Lee, Songnam Hong
2025 J jnl
On Practical Robust Reinforcement Learning: Adjacent Uncertainty Set and Double-Agent Algorithm.
IEEE Trans. Neural Networks Learn. Syst.
Ukjo Hwang, Songnam Hong
2025 — conf
Tackling Environment Heterogeneity in Federated Reinforcement Learning.
CAI
Ukjo Hwang, Hyung-Taig Lim, Songnam Hong
2025 — conf
WDP: A Weighted Delay Prediction Method for Integrated Circuit Interconnects.
SMACD
Yoonsoo Park, Songnam Hong, Jaeduk Han
2024 J jnl
Analog Circuit Design Automation via Sequential RL Agents and Gm/ID Methodology.
IEEE Access
Sungweon Hong, Yunseob Tae, Dongjun Lee, Gijin Park, Jaemyung Lim, Kyungjun Cho, Chunseok Jeong, Myeong-Jae Park, Songnam Hong, Jaeduk Han
2024 J jnl
Efficient Multi-User Channel Estimation for RIS-Aided mmWave Systems Using Shared Channel Subspace.
IEEE Trans. Wirel. Commun.
Hyeonjin Chung, Songnam Hong, Sunwoo Kim
2024 — conf
Hybrid Beamforming Optimization for mmWave IRS-Aided MIMO systems.
VTC Fall
Jeongjae Lee, Songnam Hong
2024 — conf
Low Complexity Precoder with Exploration for 1-bit MU-MISO: QAM constellations.
SPAWC
Sungweon Hong, Sungyeal Park, Yunseong Cho, Songnam Hong
2024 J jnl
Online Multikernel Learning Method via Online Biconvex Optimization.
IEEE Trans. Neural Networks Learn. Syst.
Songnam Hong
2024 — conf
Unified Channel Estimation for XL-RIS Assisted mmWave MU-MIMO Systems.
GLOBECOM (Workshops)
Jeongjae Lee, Yunseong Cho, Songnam Hong
2023 — conf
Channel Estimation for Ris-Aided Mmwave Mu-Mimo Systems: Collaborative Low-Rank Matrix Completion Approach.
IC-NIDC
Jeongjae Lee, Songnam Hong
2023 J jnl
Compressed Sensing Based Active User Detection in MIMO Systems With One-Bit ADC.
IEEE Trans. Veh. Technol.
Yerim Noh, Songnam Hong
2023 J jnl
Distributed Online Learning With Multiple Kernels.
IEEE Trans. Neural Networks Learn. Syst.
Songnam Hong, Jeongmin Chae
2023 J jnl
On Practical Robust Reinforcement Learning: Practical Uncertainty Set and Double-Agent Algorithm.
CoRR
Ukjo Hwang, Songnam Hong
2023 J jnl
Tighter Regret Analysis and Optimization of Online Federated Learning.
IEEE Trans. Pattern Anal. Mach. Intell.
Dohyeok Kwon, Jonghwan Park, Songnam Hong
2022 J jnl
Active Learning With Multiple Kernels.
IEEE Trans. Neural Networks Learn. Syst.
Songnam Hong, Jeongmin Chae
2022 J jnl
Communication-Efficient Randomized Algorithm for Multi-Kernel Online Federated Learning.
IEEE Trans. Pattern Anal. Mach. Intell.
Songnam Hong, Jeongmin Chae
2022 B conf
FedQOGD: Federated Quantized Online Gradient Descent with Distributed Time-Series Data.
WCNC
Jonghwan Park, Dohyeok Kwon, Songnam Hong
2022 — conf
OFedIT: Communication-Efficient Online Federated Learning with Intermittent Transmission.
ICTC
Dohyeok Kwon, Jonghwan Park, Songnam Hong
2022 J jnl
OFedQIT: Communication-Efficient Online Federated Learning via Quantization and Intermittent Transmission.
CoRR
Jonghwan Park, Dohyeok Kwon, Songnam Hong
2021 J jnl
Construction of 1-Bit Transmit Signal Vectors for Downlink MU-MISO Systems: QAM Constellations.
IEEE Trans. Veh. Technol.
Sungyeal Park, Yunseong Cho, Songnam Hong
2021 — conf
Construction of Error Correcting Output Codes for Robust Deep Neural Networks Based on Label Grouping Scheme.
IC-NIDC
Hwiyoung Youn, Soonhee Kwon, Hyunhee Lee, Jiho Kim, Songnam Hong, Dong-Joon Shin
2021 B conf
Fully-Decentralized Multi-Kernel Online Learning over Networks.
GLOBECOM
Jeongmin Chae, Urbashi Mitra, Songnam Hong
2021 J jnl
Low-Complexity Symbol-Level Precoding for MU-MISO Downlink Systems with QAM Signals.
CoRR
Sungyeal Park, Yunseong Cho, Songnam Hong
2021 — conf
Quantized Distributed Online Kernel Learning.
ICTC
Jonghwan Park, Songnam Hong
2021 — conf
Soft-Sign Stochastic Gradient Descent Algorithm for Wireless Federated Learning.
SPAWC
Seunghoon Lee, Chanho Park, Songnam Hong, Yonina C. Eldar, Namyoon Lee
2021 — conf
Stream-Based Active Learning with Multiple Kernels.
ICOIN
Jeongmin Chae, Songnam Hong
2020 J jnl
Construction of 1-Bit Transmit Signal Vectors for Downlink MU-MISO Systems: QAM constellations.
CoRR
Sungyeal Park, Yunseong Cho, Songnam Hong
2020 — conf
Multiuser 1-Bit Precoding for Downlink MISO Systems with QAM Constellations.
ICTC
Sungyeal Park, Songnam Hong
2019 — conf
Semi-Supervised Learning Detector for MU-MIMO Systems with One-Bit ADCs.
ICC Workshops
Seonho Kim, Minji So, Namyoon Lee, Songnam Hong
2017 B conf
Uplink Multiuser Massive MIMO Systems with One-Bit ADCs: A Coding-Theoretic Viewpoint.
WCNC
Seonho Kim, Namyoon Lee, Songnam Hong