Results 41 to 50 of about 332,498 (295)
Aerial Reconfigurable Intelligent Surface-Enabled URLLC UAV Systems
IEEE Access, 2021 In this paper, we propose an aerial reconfigurable intelligent surface (RIS) system to support the stringent constraints of ultra-reliable low latency communication (URLLC).
Yijiu Li +4 more
doaj +1 more source
Application of reconfigurable intelligent surface in beamforming and information modulation
Dianxin kexue, 2021 In modern mobile communications, the randomness, uncertainty, and uncontrollability of wireless channels are the pivotalfactors that affect the communication quality, which often leads to the deterioration of the signal quality at the receiving terminal,
Qiang CHENG +4 more
doaj +2 more sources
Over‐the‐air equalization with reconfigurable intelligent surfaces
IET Communications, 2022 AbstractReconfigurable intelligent surface (RIS)‐empowered communications is on the rise and is a promising technology envisioned to aid in 6G and beyond wireless communication networks. RISs can manipulate impinging waves through their electromagnetic elements enabling some sort of control over the wireless channel.
Emre Arslan +3 more
openaire +3 more sources
Interference Nulling Using Reconfigurable Intelligent Surface [PDF]
IEEE Journal on Selected Areas in Communications, 2022 This paper is accepted in IEEE Journal on Selected Areas in ...
Tao Jiang, Wei Yu
openaire +2 more sources
IEEE Open Journal of the Communications Society, 2021 Reconfigurable Intelligent Surface (RIS) has emerged as a promising technology in wireless networks to achieve high spectrum and energy efficiency. RIS typically comprises a large number of low-cost nearly passive elements that can smartly interact with ...
Baoling Sheen +3 more
doaj +1 more source
Spectral Efficiency Optimization for Hybrid Relay-Reflecting Intelligent Surface [PDF]
, 2021 We propose a novel concept of hybrid relay-reflecting intelligent surface (HR-RIS), in which a single or few elements are deployed with power amplifiers (PAs) to serve as active relays, while the remaining elements only reflect the incident signals.
Juntti, Markku +3 more
core +1 more source
Reconfigurable Intelligent Surface Optimal Placement in Millimeter-Wave Networks
IEEE Open Journal of the Communications Society, 2021 This work discusses the optimal reconfigurable intelligent surface placement in highly-directional millimeter wave links. In particular, we present a novel system model that takes into account the relationship between the transmission beam footprint at ...
Konstantinos Ntontin +5 more
doaj +1 more source
Autoencoder-based Communications with Reconfigurable Intelligent Surfaces [PDF]
2021 IEEE International Symposium on Dynamic Spectrum Access Networks (DySPAN), 2021 This paper presents a novel approach for the joint design of a reconfigurable intelligent surface (RIS) and a transmitter-receiver pair that are trained together as a set of deep neural networks (DNNs) to optimize the end-to-end communication performance at the receiver.
Erpek, Tugba +3 more
openaire +2 more sources
Energy-Efficient Wireless Communications with Distributed Reconfigurable Intelligent Surfaces [PDF]
, 2020 This paper investigates the problem of resource allocation for a wireless communication network with distributed reconfigurable intelligent surfaces (RISs).
Chen, Mingzhe +6 more
core +2 more sources
Spectral and Energy Efficiency of IRS-Assisted MISO Communication with Hardware Impairments [PDF]
, 2020 In this letter, we analyze the spectral and energy efficiency of an intelligent reflecting surface (IRS)-assisted multiple-input single-output (MISO) downlink system with hardware impairments.
Alouini, Mohamed-Slim +4 more
core +3 more sources