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 …

A tutorial on extremely large-scale MIMO for 6G: Fundamentals, signal processing, and applications

Z Wang, J Zhang, H Du, D Niyato, S Cui… - … Surveys & Tutorials, 2024 - ieeexplore.ieee.org
Extremely large-scale multiple-input-multiple-output (XL-MIMO), which offers vast spatial
degrees of freedom, has emerged as a potentially pivotal enabling technology for the sixth …

Holographic MIMO surfaces for 6G wireless networks: Opportunities, challenges, and trends

C Huang, S Hu, GC Alexandropoulos… - IEEE wireless …, 2020 - ieeexplore.ieee.org
Future wireless networks are expected to evolve toward an intelligent and software
reconfigurable paradigm enabling ubiquitous communications between humans and mobile …

Beam focusing for near-field multiuser MIMO communications

H Zhang, N Shlezinger, F Guidi… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
Large antenna arrays and high-frequency bands are two key features of future wireless
communication systems. The combination of large-scale antennas with high transmission …

Reconfigurable intelligent surfaces for localization: Position and orientation error bounds

A Elzanaty, A Guerra, F Guidi… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Next-generation cellular networks could witness the creation of smart radio environments
(SREs), where walls and objects will be coated with reconfigurable intelligent surfaces …

Hybrid beamforming for reconfigurable intelligent surface based multi-user communications: Achievable rates with limited discrete phase shifts

B Di, H Zhang, L Song, Y Li, Z Han… - IEEE Journal on …, 2020 - ieeexplore.ieee.org
Reconfigurable intelligent surfaces (RISs) have drawn considerable attention from the
research community recently. RISs create favorable propagation conditions by controlling …

Dynamic metasurface antennas for 6G extreme massive MIMO communications

N Shlezinger, GC Alexandropoulos… - IEEE Wireless …, 2021 - ieeexplore.ieee.org
Next generation wireless base stations and access points will transmit and receive using an
extremely massive numbers of antennas. A promising technology for realizing such massive …

[HTML][HTML] A reconfigurable intelligent surface with integrated sensing capability

I Alamzadeh, GC Alexandropoulos, N Shlezinger… - Scientific reports, 2021 - nature.com
Reconfigurable reflective surfaces can alter the propagation environment to improve
wireless communication and power transfer. Paramount to this operation—which has …

Metalocalization: Reconfigurable intelligent surface aided multi-user wireless indoor localization

H Zhang, H Zhang, B Di, K Bian… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
The received signal strength (RSS) based technique is extensively utilized for localization in
the indoor environments. Since the RSS values of neighboring locations may be similar, the …

Location awareness in beyond 5G networks via reconfigurable intelligent surfaces

Z Wang, Z Liu, Y Shen, A Conti… - IEEE Journal on Selected …, 2022 - ieeexplore.ieee.org
Achieving accurate location-awareness in wireless networks requires integrated sensing
and communication (ISAC), where optimization, signal processing, and data fusion are …