RIS-aided cell-free massive MIMO systems for 6G: Fundamentals, system design, and applications
An introduction of intelligent interconnectivity for people and things has posed higher
demands and more challenges for sixth-generation (6G) networks, such as high spectral …
demands and more challenges for sixth-generation (6G) networks, such as high spectral …
Distributed machine learning based downlink channel estimation for RIS assisted wireless communications
L Dai, X Wei - IEEE Transactions on Communications, 2022 - ieeexplore.ieee.org
The downlink channel estimation requires a huge pilot overhead in the reconfigurable
intelligent surface (RIS) assisted communication system. By exploiting the powerful learning …
intelligent surface (RIS) assisted communication system. By exploiting the powerful learning …
Joint spatial division and multiplexing for FDD in intelligent reflecting surface-assisted massive MIMO systems
A Papazafeiropoulos, P Kourtessis… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
Channel reciprocity, assumed in fifth-generation (5G) systems such as massive multiple-
input-multiple-output (mMIMO), appears to be questioned in practice by recent studies on …
input-multiple-output (mMIMO), appears to be questioned in practice by recent studies on …
Performance of large intelligent surfaces in multiuser millimeter wave MIMO-NOMA systems
N Arafat, EA Maher, A El-Mahdy, F Dressler - IEEE Access, 2023 - ieeexplore.ieee.org
Large Intelligent Surfaces (LIS) are considered a candidate technology for 6G networks due
to its simple deployment and relatively low cost. Recently, Millimeter Wave (mmWave) …
to its simple deployment and relatively low cost. Recently, Millimeter Wave (mmWave) …
Towards dual-band reconfigurable metasurfaces for satellite networking
The first low earth orbit satellite networks for internet service have recently been deployed
and are growing in size, yet will face deployment challenges in many practical …
and are growing in size, yet will face deployment challenges in many practical …
RIS-assisted self-interference mitigation for in-band full-duplex transceivers
The wireless in-band full-duplex (IBFD) technology can in theory double the system capacity
over the conventional frequency division duplex (FDD) or time-division duplex (TDD) …
over the conventional frequency division duplex (FDD) or time-division duplex (TDD) …
Polarization-enabled MIMO bidirectional device-to-device communications via RIS
In future wireless networks, device-to-device (D2D) communications are expected to play an
important role to support a plethora of applications. To meet the target quality of service …
important role to support a plethora of applications. To meet the target quality of service …
Modulating intelligent surfaces for multiuser MIMO systems: Beamforming and modulation design
This paper introduces a novel approach of utilizing the reconfigurable intelligent surface
(RIS) for joint data modulation and signal beamforming in a multi-user downlink cellular …
(RIS) for joint data modulation and signal beamforming in a multi-user downlink cellular …
Sum-rate maximization of IRS-aided SCMA system
We study an intelligent reflecting surface (IRS)-aided downlink sparse code multiple access
(SCMA) system for massive connectivity in future machine-type communication networks …
(SCMA) system for massive connectivity in future machine-type communication networks …
Beamforming design with partial channel estimation and feedback for FDD RIS-assisted systems
Beamforming design with partial channel estimation and feedback for frequency-division
duplexing (FDD) reconfigurable intelligent surface (RIS) assisted systems is considered in …
duplexing (FDD) reconfigurable intelligent surface (RIS) assisted systems is considered in …