Neglected infrastructures for 6G—Underwater communications: How mature are they?
In recent years, we have witnessed a major expansion of wireless communications,
extending from terrestrial to aerial spaces to facilitate novel user services. While aerial …
extending from terrestrial to aerial spaces to facilitate novel user services. While aerial …
Efficient exclusion strategy of shadowed RIS in dynamic indoor programmable wireless environments
Recent efforts have promoted programmable wireless environments (PWEs) to enhance the
reception quality in high-frequency bands via reconfigurable intelligent surfaces (RISs) …
reception quality in high-frequency bands via reconfigurable intelligent surfaces (RISs) …
Multi-beam design for near-field extremely large-scale RIS-aided wireless communications
D Shen, L Dai, X Su, S Suo - IEEE Transactions on Green …, 2023 - ieeexplore.ieee.org
As the energy-saving array composed of passive elements, reconfigurable intelligent
surface (RIS) will evolve to the extremely large-scale RIS (XL-RIS) to overcome serious path …
surface (RIS) will evolve to the extremely large-scale RIS (XL-RIS) to overcome serious path …
Energy efficiency optimization in reconfigurable intelligent surface aided hybrid multiuser mmWave MIMO systems
J Singh, S Srivastava, SP Yadav… - IEEE Open Journal …, 2023 - ieeexplore.ieee.org
The energy efficiency (EE) of the reconfigurable intelligent surface (RIS) aided multiuser
(MU) millimeterwave (mmWave) multi-input multi-output (MIMO) downlink is maximized by …
(MU) millimeterwave (mmWave) multi-input multi-output (MIMO) downlink is maximized by …
Hybrid analog and digital beamforming for RIS-assisted mmWave communications
Reconfigurable intelligent surface (RIS) assisted millimeter wave (mmWave)
communications has been envisioned as a prominent technology for future wireless …
communications has been envisioned as a prominent technology for future wireless …
STAR-RIS Enhanced Joint Physical Layer Security and Covert Communications for Multi-antenna mmWave Systems
This paper investigates the utilization of simultaneously transmitting and reflecting RIS
(STAR-RIS) in supporting joint physical layer security (PLS) and covert communications …
(STAR-RIS) in supporting joint physical layer security (PLS) and covert communications …
On the effective capacity of RIS-enabled mmWave networks with outdated CSI
Reconfigurable intelligent surfaces (RISs) have great potential to improve the coverage of
mmWave networks; however, acquiring perfect channel state information (CSI) of a RIS …
mmWave networks; however, acquiring perfect channel state information (CSI) of a RIS …
RIS subarray optimization with reinforcement learning for green symbiotic communications in Internet of Things
Symbiotic communications have been deemed as a critical technology for Internet of Things
(IoT) communications owing to its high spectrum and energy efficiency. Reconfigurable …
(IoT) communications owing to its high spectrum and energy efficiency. Reconfigurable …
Hybrid terahertz beamforming relying on channel sparsity and angular orthogonality
As the next generation concepts gravitate towards ultra-high frequency bands, such as the
terahertz (THz) band having abundant resources, approaching Tbps transmission rates is …
terahertz (THz) band having abundant resources, approaching Tbps transmission rates is …
Joint beamforming algorithm for multi-stream MIMO systems assisted by multiple reconfigurable intelligent surfaces
In recent years there has been a growing interest in reconfigurable intelligent surfaces
(RISs) as enablers for the realization of smart radio propagation environments which can …
(RISs) as enablers for the realization of smart radio propagation environments which can …