3 papers
eess.SP2022
Unsupervised Learning Based Hybrid Beamforming with Low-Resolution Phase Shifters for MU-MIMO Systems
Chia-Ho Kuo, Hsin-Yuan Chang, Ronald Y. Chang +1
Millimeter wave (mmWave) is a key technology for fifth-generation (5G) and beyond communications. Hybrid beamforming has been proposed for large-scale antenna systems in mmWave com…
cs.IT2021
Intelligent Reflecting Surfaces and Classical Relays: Coexistence and Co-Design
Te-Yi Kan, Ronald Y. Chang, Feng-Tsun Chien
This paper investigates a multiuser downlink communication system with coexisting intelligent reflecting surface (IRS) and classical half-duplex decode-and-forward (DF) relay. In t…
eess.SP2021
Deep Reinforcement Learning Aided Monte Carlo Tree Search for MIMO Detection
Tz-Wei Mo, Ronald Y. Chang, Te-Yi Kan
This paper proposes a novel multiple-input multiple-output (MIMO) symbol detector that incorporates a deep reinforcement learning (DRL) agent into the Monte Carlo tree search (MCTS…