NOMA-based improper signaling for multicell MISO RIS-assisted broadcast channels

M Soleymani, I Santamaria… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In this paper, we study the performance of reconfigurable intelligent surfaces (RISs) in a
multicell broadcast channel (BC) that employs improper Gaussian signaling (IGS) jointly with …

NOMA-based Improper Signaling for MIMO STAR-RIS-assisted Broadcast Channels with Hardware Impairments

M Soleymani, I Santamaria… - GLOBECOM 2023-2023 …, 2023 - ieeexplore.ieee.org
This paper proposes schemes to improve the spectral efficiency of a multiple-input multiple-
output (MIMO) broadcast channel (BC) with I/Q imbalance (IQI) at transceivers by employing …

Reconfigurable intelligent surface-assisted non-orthogonal multiple access

G Yang, X Xu, YC Liang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) is a revolutionary technology to achieve spectrum-,
energy-, and cost-efficient wireless networks. This paper considers an RIS-assisted …

Improper signaling for multicell MIMO RIS-assisted broadcast channels with I/Q imbalance

M Soleymani, I Santamaria… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This paper studies the performance of improper Gaussian signaling (IGS) in a multicell
broadcast multiple-input, multiple-output (MIMO) reconfigurable-intelligent-surface (RIS) …

GSIC for RIS-aided uplink multi-antenna NOMA systems

H Wang, C Liu, Z Shi, Y Fu… - IEEE Communications …, 2021 - ieeexplore.ieee.org
The combination of non-orthogonal multiple access (NOMA) and reconfigurable intelligent
surface (RIS) is capable of boosting spectrum and energy efficiency for future …

Reconfigurable intelligent surface-aided multi-user networks: Interplay between NOMA and RIS

Y Liu, X Mu, X Liu, M Di Renzo, Z Ding… - IEEE Wireless …, 2022 - ieeexplore.ieee.org
This article focuses on the exploitation of reconfigurable intelligent surfaces (RISs) in
multiuser networks employing orthogonal multiple access (OMA) or non-orthogonal multiple …

Power minimization for uplink RIS-assisted CoMP-NOMA networks with GSIC

H Wang, C Liu, Z Shi, Y Fu… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
To accommodate the stringent requirements of massive connectivity and ultra-high
throughput, both reconfigurable intelligent surface (RIS) and non-orthogonal multiple access …

Rate region of MIMO RIS-assisted broadcast channels with rate splitting and improper signaling

M Soleymani, I Santamaria… - WSA & SCC 2023; 26th …, 2023 - ieeexplore.ieee.org
In this paper, we study the achievable rate region of 1-layer rate splitting (RS) in the
presence of hardware impairment (HWI) and improper Gaussian signaling (IGS) for a single …

The application of distributed RIS to massive access MISO systems: NOMA or OMA?

S Yang, J Zhang, Y Zhu, S Jin… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
The application of distributed reconfigurable intelligent surface (RIS) to massive access
multiple-input single-output (MISO) is significant to extend the communication coverage. In …

MIMO-NOMA networks relying on reconfigurable intelligent surface: A signal cancellation-based design

T Hou, Y Liu, Z Song, X Sun… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) technique stands as a promising signal
enhancement or signal cancellation technique for next generation networks. We design a …