Sum-rate maximization in star-ris assisted rsma networks: A ppo-based algorithm

C Meng, K Xiong, W Chen, B Gao… - IEEE Internet of …, 2023 - ieeexplore.ieee.org
This article investigates simultaneous transmitting and reflecting reconfigurable intelligent
surface (STAR-RIS)-assisted downlink multiuser multiple-input–single-output (MU-MISO) …

Sum-rate maximization for active RIS-aided downlink RSMA system

X Li, T Wang, H Tong, Z Yang, Y Mao… - IEEE INFOCOM 2023 …, 2023 - ieeexplore.ieee.org
In this paper, the problem of sum-rate maximization for an active reconfigurable intelligent
surface (RIS) assisted downlink rate-splitting multiple access (RSMA) transmission system is …

Joint receive and passive beamforming optimization for RIS-assisted uplink RSMA systems

Q Sun, H Liu, S Yan, TA Tsiftsis… - IEEE Wireless …, 2023 - ieeexplore.ieee.org
In this letter, we investigate the joint optimization of transmit power allocation and
receive/passive beamforming in a reconfigurable intelligent surface (RIS)-assisted uplink …

Robust weighted sum-rate maximization for transmissive RIS transmitter enabled RSMA networks

B Li, W Chen, Z Li, Q Wu, N Cheng… - IEEE Communications …, 2023 - ieeexplore.ieee.org
Due to the low power consumption and low cost nature of transmissive reconfigurable
intelligent surface (RIS), in this letter, we propose a downlink multi-user rate-splitting multiple …

Resource allocation in STAR-RIS-aided networks: OMA and NOMA

C Wu, X Mu, Y Liu, X Gu, X Wang - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) is a
promising technology that aids in achieving full-space coverage on both sides of the surface …

Weighted sum rate optimization for STAR-RIS-assisted MIMO system

H Niu, Z Chu, F Zhou, P Xiao… - IEEE transactions on …, 2021 - ieeexplore.ieee.org
In this work, we study a simultaneous transmitting and reflecting reconfigurable intelligent
surface (RIS)-assisted multiple-input multiple-output network. For the system under …

Improved spectral efficiency in STAR-RIS aided uplink communication using rate splitting multiple access

M Katwe, K Singh, B Clerckx… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In this paper, a phase-shift coupled simultaneous transmitting/refracting and reflecting
reconfigurable intelligent surface (STAR-RIS)-aided uplink (UL) rate-splitting multiple access …

Coverage characterization of STAR-RIS networks: NOMA and OMA

C Wu, Y Liu, X Mu, X Gu… - IEEE Communications …, 2021 - ieeexplore.ieee.org
The novel concept of simultaneously transmitting and reflecting reconfigurable intelligent
surface (STAR-RIS) is investigated, where incident signals can be transmitted and reflected …

Weighted sum-rate maximization for STAR-RISs-aided networks with coupled phase-shifters

H Niu, X Liang - IEEE Systems Journal, 2022 - ieeexplore.ieee.org
In this letter, we investigate the optimization in a simultaneously transmitting and reflecting
reconfigurable intelligent surface-enabled network with a coupled coefficient model, where …

Capacity analysis and rate maximization design in RIS-aided uplink multi-user MIMO

W Jiang, HD Schotten - 2023 IEEE Wireless Communications …, 2023 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) has recently drawn intensive attention due to its
potential of simultaneously realizing high spectral and energy efficiency in a sustainable …