The deep reinforcement learning (DRL)-based deep deterministic policy gradient (DDPG) framework is proposed to solve the joint optimization of the IRS phase-shift matrix and the …
F Zhao, W Chen, Z Liu, J Li, Q Wu - IEEE Wireless …, 2023 - ieeexplore.ieee.org
In this letter, we investigate the discrete phase shift design of the intelligent reflecting surface (IRS) in a time-division duplexing (TDD) multi-user multiple-input-multiple-output (MIMO) …
The combination of multiple-input multiple-output (MIMO) systems and intelligent reflecting surfaces (IRSs) is foreseen as a critical enabler of beyond 5G (B5G) and 6G. In this work …
F Zohari, SM Shahabi, M Ardebilipour - arXiv preprint arXiv:2302.14706, 2023 - arxiv.org
This letter investigates an intelligent reflecting surfaces (IRS)-enhanced network from spectral efficiency enhancement point of view for downlink multi-user (MU) multi-input-single …
W Wu, F Yang, F Zhou, H Hu, Q Wu, RQ Hu - arXiv preprint arXiv …, 2022 - arxiv.org
In this paper, we study the resource allocation problem for an intelligent reflecting surface (IRS)-assisted OFDM system. The system sum rate maximization framework is formulated by …
K Feng, Q Wang, X Li, CK Wen - IEEE Wireless …, 2020 - ieeexplore.ieee.org
This letter investigates the intelligent reflecting surface (IRS)-aided multiple-input single- output wireless transmission system. Particularly, the optimization of the passive phase shift …
We consider an Intelligent Reflecting Surface (IRS)-aided multiple-input single-output (MISO) system for downlink transmission. We compare the performance of Deep …
In a wireless communication network, the propagation medium has been perceived as a randomly behaving entity between the transmitter and receiver for a long time. However …
A simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted multi-user downlink multiple-input single-output (MISO) communication system is …