In this paper, we investigate the downlink orthogonal frequency division multiplexing
(OFDM) transmission system assisted by reconfigurable intelligent surfaces (RISs) …

The application of intelligent reflecting surface (IRS) depends on the knowledge of channel
state information (CSI), and has been hindered by the heavy overhead of channel training …

In this paper, we consider the weighted sum-power minimization under quality-of-service
(QoS) constraints in the multi-user multi-input-single-output (MISO) uplink wireless network …

This work investigates the effect of double intelligent reflecting surface (IRS) in improving the
spectrum efficient of multi-user multiple-input multiple-output (MIMO) network operating in …

Orthogonal frequency division multiplexing (OFDM) systems have been widely applied in
practice since OFDM has diverse outstanding advantages. However, their performance …

In uplink multi-user multi-input multi-output (MU-MIMO) network, user scheduling and
transmit precoding are effective ways to manage the inter-user interference and antenna …

This paper investigates a reconfigurable intelligent surface (RIS)-aided multi-user multiple-
input multiple-output (MIMO) system by considering only the statistical channel state …

There has been a growing interest in developing data-driven, and in particular deep neural
network (DNN) based methods for modern communication tasks. These methods achieve …

In reconfigurable intelligent surface (RIS)-assisted wireless communication systems,
channel estimation is of paramount importance to unleash the full advantage of the high …

Owing to the unique advantages of low cost and controllability, reconfigurable intelligent
surface (RIS) is a promising candidate to address the blockage issue in millimeter wave …