In this paper, we consider downlink multigroup multicast communication systems assisted by an IRS. We aim for maximizing the sum rate of all the mul- ticasting ...

Sep 10, 2019 · In this paper, we consider downlink multigroup multicast communication systems assisted by an IRS. We aim for maximizing the sum rate of all the ...

This paper considers downlink multigroup multicast communication systems assisted by an IRS and proposes two efficient algorithms under the ...

Apr 21, 2020 · In this paper, we consider downlink multigroup multicast communication systems assisted by an IRS. We aim for maximizing the sum rate of all the ...

Mar 23, 2021 · This paper considers a secure multigroup multicast multiple-input single-output (MISO) communication system aided by an intelligent ...

May 6, 2024 · Abstract—Intelligent reflecting surface (IRS) has been widely studied in recent years, it has emerged as a new technology.

Intelligent reflecting surfaces (IRSs) constitute a disruptive wireless communication technique capable of creating a controllable propagation environment. In ...

An effective alternating algorithm is developed to solve the downlink transmit power optimization problem for an IRS-assisted multigroup multicast system, ...

Jan 7, 2021 · An intelligent-reflecting-surface aided multigroup multicast communication system is investigated in this paper. We develop energy-efficient ...

Jun 19, 2020 · In this paper, we combined IRS with physical layer security (PLS) to solve the security issue of cognitive radio (CR) networks. Specifically, an ...