An overview of signal processing techniques for RIS/IRS-aided wireless systems
In the past as well as present wireless communication systems, the wireless propagation
environment is regarded as an uncontrollable black box that impairs the received signal …
environment is regarded as an uncontrollable black box that impairs the received signal …
A survey on channel estimation and practical passive beamforming design for intelligent reflecting surface aided wireless communications
Intelligent reflecting surface (IRS) has emerged as a key enabling technology to realize
smart and reconfigurable radio environment for wireless communications, by digitally …
smart and reconfigurable radio environment for wireless communications, by digitally …
6G wireless communications networks: A comprehensive survey
The commercial fifth-generation (5G) wireless communications networks have already been
deployed with the aim of providing high data rates. However, the rapid growth in the number …
deployed with the aim of providing high data rates. However, the rapid growth in the number …
Active RIS vs. passive RIS: Which will prevail in 6G?
As a revolutionary paradigm for controlling wireless channels, reconfigurable intelligent
surfaces (RISs) have emerged as a candidate technology for future 6G networks. However …
surfaces (RISs) have emerged as a candidate technology for future 6G networks. However …
Active RIS versus passive RIS: Which is superior with the same power budget?
This letter theoretically compares the active reconfigurable intelligent surface (RIS)-aided
system with the passive RIS-aided system. For a fair comparison, we consider that these two …
system with the passive RIS-aided system. For a fair comparison, we consider that these two …
Reconfigurable intelligent surfaces for 6G systems: Principles, applications, and research directions
Reconfigurable intelligent surfaces (RISs) or intelligent reflecting surfaces (IRSs) are
regarded as one of the most promising and revolutionizing techniques for enhancing the …
regarded as one of the most promising and revolutionizing techniques for enhancing the …
Stacked intelligent metasurfaces for efficient holographic MIMO communications in 6G
A revolutionary technology relying on Stacked Intelligent Metasurfaces (SIM) is capable of
carrying out advanced signal processing directly in the native electromagnetic (EM) wave …
carrying out advanced signal processing directly in the native electromagnetic (EM) wave …
Intelligent reflecting surface-aided wireless communications: A tutorial
Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal
propagation in wireless networks. By smartly tuning the signal reflection via a large number …
propagation in wireless networks. By smartly tuning the signal reflection via a large number …
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 …
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 …