3 papers
cs.IT2022
Reinforcement Learning Based Robust Policy Design for Relay and Power Optimization in DF Relaying Networks
Yuanzhe Geng, Erwu Liu, Rui Wang +2
In this paper, we study the outage minimization problem in a decode-and-forward cooperative network with relay uncertainty. To reduce the outage probability and improve the quality…
cs.IT2021
Outage Probability of Intelligent Reflecting Surfaces Assisted Full Duplex Two-way Communications
Binyu Lu, Rui Wang, Yiming Liu
In this letter, we study the outage probability of intelligent reflecting surface (IRS) assisted full duplex two-way communication systems, which characterizes the performance of o…
cs.IT2020
Asymptotic Achievability of the Cramér-Rao Lower Bound of Channel Estimation for Reconfigurable Intelligent Surface Aided Communication Systems
Yiming Liu, Erwu Liu, Rui Wang +2
To achieve the joint active and passive beamforming gains in the reconfigurable intelligent surface assisted millimeter wave system, the reflected cascade channel needs to be accur…