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 …

Rate splitting multiple access for sum-rate maximization in IRS aided uplink communications

M Katwe, K Singh, B Clerckx… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In this paper, an intelligent reflecting surface (IRS) aided uplink (UL) rate-splitting multiple
access (RSMA) system is investigated for dead-zone users where the direct link between the …

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 …

Globally optimal spectrum-and energy-efficient beamforming for rate splitting multiple access

B Matthiesen, Y Mao, A Dekorsy… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
Rate splitting multiple access (RSMA) is a promising non-orthogonal transmission strategy
for next-generation wireless networks. It has been shown to outperform existing multiple …

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) …

Rate-splitting multiple access with STAR RIS over spatially-correlated channels

S Dhok, PK Sharma - IEEE Transactions on Communications, 2022 - ieeexplore.ieee.org
The paper explores simultaneous transmitting and reflecting (STAR) reconfigurable
intelligent surface (RIS)-aided rate-splitting multiple access (RSMA) communication. A base …

Rate splitting multiple access for energy efficient RIS-aided multi-user short-packet communications

M Katwe, K Singh, B Clerckx… - 2022 IEEE Globecom …, 2022 - ieeexplore.ieee.org
This paper investigates a novel framework of resource allocation design in a reconfigurable
intelligent surface (RIS)-aided rate-splitting multiple access (RSMA) system for energy …

Active simultaneously transmitting and reflecting (STAR)-RISs: Modeling and analysis

J Xu, J Zuo, JT Zhou, Y Liu - IEEE Communications Letters, 2023 - ieeexplore.ieee.org
A hardware model for active simultaneously transmitting and reflecting reconfigurable
intelligent surfaces (STAR-RISs) is proposed consisting of reflection-type amplifiers. The …

Synergizing beyond diagonal reconfigurable intelligent surface and rate-splitting multiple access

H Li, S Shen, B Clerckx - IEEE transactions on wireless …, 2024 - ieeexplore.ieee.org
This work focuses on the synergy of rate-splitting multiple access (RSMA) and beyond
diagonal reconfigurable intelligent surface (BD-RIS) to enlarge the coverage, improve the …

Rate-splitting multiple access for downlink MIMO: A generalized power iteration approach

J Park, J Choi, N Lee, W Shin… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Rate-splitting multiple access (RSMA) is a general multiple access scheme for downlink
multi-antenna systems embracing both classical spatial division multiple access and more …