Holographic MIMO communications: Theoretical foundations, enabling technologies, and future directions
T Gong, P Gavriilidis, R Ji, C Huang… - … Surveys & Tutorials, 2023 - ieeexplore.ieee.org
Future wireless systems are envisioned to create an endogenously holography-capable,
intelligent, and programmable radio propagation environment, that will offer unprecedented …
intelligent, and programmable radio propagation environment, that will offer unprecedented …
Reconfigurable intelligent surfaces: Principles and opportunities
Reconfigurable intelligent surfaces (RISs), also known as intelligent reflecting surfaces
(IRSs), or large intelligent surfaces (LISs), 1 have received significant attention for their …
(IRSs), or large intelligent surfaces (LISs), 1 have received significant attention for their …
Channel estimation for RIS-empowered multi-user MISO wireless communications
Reconfigurable Intelligent Surfaces (RISs) have been recently considered as an energy-
efficient solution for future wireless networks due to their fast and low-power configuration …
efficient solution for future wireless networks due to their fast and low-power configuration …
Smart radio environments empowered by reconfigurable intelligent surfaces: How it works, state of research, and the road ahead
Reconfigurable intelligent surfaces (RISs) are an emerging transmission technology for
application to wireless communications. RISs can be realized in different ways, which …
application to wireless communications. RISs can be realized in different ways, which …
Five facets of 6G: Research challenges and opportunities
While the fifth-generation systems are being rolled out across the globe, researchers have
turned their attention to the exploration of radical next-generation solutions. At this early …
turned their attention to the exploration of radical next-generation solutions. At this early …
Exploiting benefits of IRS in wireless powered NOMA networks
We consider an intelligent reflecting surface (IRS) wireless-powered NOMA Internet-of-
Things (IoT) network, where multiple NOMA IoT devices can communicate with access point …
Things (IoT) network, where multiple NOMA IoT devices can communicate with access point …
Grant-free non-orthogonal multiple access for IoT: A survey
MB Shahab, R Abbas… - … Surveys & Tutorials, 2020 - ieeexplore.ieee.org
Massive machine-type communications (mMTC) is one of the main three focus areas in the
5th generation (5G) of wireless communications technologies to enable connectivity of a …
5th generation (5G) of wireless communications technologies to enable connectivity of a …
Sum rate maximization for IRS-assisted uplink NOMA
An intelligent reflecting surface (IRS) consists of a large number of low-cost reflecting
elements, which can steer the incident signal collaboratively by passive beamforming. This …
elements, which can steer the incident signal collaboratively by passive beamforming. This …
Multi-user holographic MIMO surfaces: Channel modeling and spectral efficiency analysis
The multi-user Holographic Multiple-Input and Multiple-Output Surface (MU-HMIMOS)
paradigm, which is capable of realizing large continuous apertures with minimal power …
paradigm, which is capable of realizing large continuous apertures with minimal power …
Reconfigurable intelligent surface-assisted cell-free massive MIMO systems over spatially-correlated channels
Cell-Free Massive multiple-input multiple-output (MIMO) and reconfigurable intelligent
surface (RIS) are two promising technologies for application to beyond-5G networks. This …
surface (RIS) are two promising technologies for application to beyond-5G networks. This …