Holographic MIMO communications: Theoretical foundations, enabling technologies, and future directions
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 …
A tutorial on near-field XL-MIMO communications towards 6G
Extremely large-scale multiple-input multiple-output (XL-MIMO) is a promising technology for
the sixth-generation (6G) mobile communication networks. By significantly boosting the …
the sixth-generation (6G) mobile communication networks. By significantly boosting the …
Intelligent surfaces empowered wireless network: Recent advances and the road to 6G
Intelligent surfaces (ISs) have emerged as a key technology to empower a wide range of
appealing applications for wireless networks, due to their low cost, high energy efficiency …
appealing applications for wireless networks, due to their low cost, high energy efficiency …
Hybrid near-far field channel estimation for holographic MIMO communications
Holographic MIMO communications, enabled by large-scale antenna arrays with quasi-
continuous apertures, are potential technology for spectrum efficiency improvement …
continuous apertures, are potential technology for spectrum efficiency improvement …
Successive Bayesian reconstructor for channel estimation in fluid antenna systems
Fluid antenna systems (FASs) can reconfigure their antenna locations freely within a
spatially continuous space. To keep favorable antenna positions, the channel state …
spatially continuous space. To keep favorable antenna positions, the channel state …
Frequency selective surface towards 6G communication systems: A contemporary survey
Frequency selective surfaces (FSSs) have attracted extensive attention for suppressing
interference and improving channel quality and coverage by selectively transmitting or …
interference and improving channel quality and coverage by selectively transmitting or …
Stacked intelligent metasurfaces for multiuser downlink beamforming in the wave domain
Intelligent metasurface has recently emerged as a promising technology that enables the
customization of wireless environments by harnessing large numbers of inexpensive …
customization of wireless environments by harnessing large numbers of inexpensive …
Two-dimensional direction-of-arrival estimation using stacked intelligent metasurfaces
Stacked intelligent metasurfaces (SIMs) are capable of emulating reconfigurable physical
neural networks by utilizing electromagnetic (EM) waves as carriers. They can also perform …
neural networks by utilizing electromagnetic (EM) waves as carriers. They can also perform …
On the spectral efficiency of multi-user holographic MIMO uplink transmission
With antenna spacing much less than half a wavelength in confined space, holographic
multiple-input multiple-output (HMIMO) technology presents a promising frontier in next …
multiple-input multiple-output (HMIMO) technology presents a promising frontier in next …
Holographic imaging with XL-MIMO and RIS: Illumination and reflection design
This paper addresses a near-field imaging problem utilizing extremely large-scale multiple-
input multiple-output (XL-MIMO) antennas and reconfigurable intelligent surfaces (RISs) …
input multiple-output (XL-MIMO) antennas and reconfigurable intelligent surfaces (RISs) …