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 …
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 …
This paper studies the performance of improper Gaussian signaling (IGS) in a multicell broadcast multiple-input, multiple-output (MIMO) reconfigurable-intelligent-surface (RIS) …
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 …
This article focuses on the exploitation of reconfigurable intelligent surfaces (RISs) in multiuser networks employing orthogonal multiple access (OMA) or non-orthogonal multiple …
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 …
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 …
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 …
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 …