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cs.IT2024
A Deep Reinforcement Learning Approach for Autonomous Reconfigurable Intelligent Surfaces
Hyuckjin Choi, Ly V. Nguyen, Junil Choi +1
A reconfigurable intelligent surface (RIS) is a prospective wireless technology that enhances wireless channel quality. An RIS is often equipped with passive array of elements and…
cs.IT2024
Joint Downlink and Uplink Optimization for RIS-Aided FDD MIMO Communication Systems
Gyoseung Lee, Hyeongtaek Lee, Donghwan Kim +3
This paper investigates reconfigurable intelligent surface (RIS)-aided frequency division duplexing (FDD) communication systems. Since the downlink and uplink signals are simultane…