Results 21 to 30 of about 5,532 (201)

Coverage analysis of intelligent reflecting surface systems in Rayleigh fading

open access: yesElectronics Letters, 2022
Intelligent reflecting surfaces have attracted much attention recently as they can manipulate the wireless channel. However, the typical analysis of the downlink system considers the BS‐IRS‐UE link only. Apart from the BS‐IRS‐UE link, the BS‐UE link also
R. Dahlia Devapriya   +2 more
doaj   +1 more source

Practical Evaluation Method of Large Size IRS: Synthesis of Reflection Pattern of Sub-IRS

open access: yesIEEE Access, 2023
Intelligent reflecting surfaces (IRSs) have been attracting attention as a solution to coverage hole problems in millimeter-wave communication areas and are considered one of the key technologies of next-generation mobile communication systems.
Hiromi Matsuno   +3 more
doaj   +1 more source

Performance Analysis of Intelligent Reflecting Surface-Assisted Wireless System With Non-Ideal Transceiver

open access: yesIEEE Open Journal of the Communications Society, 2021
Intelligent Reflecting Surfaces (IRSs) have recently emerged as a promising solution for realizing the smart radio environment concept by leveraging the characteristics of metamaterials and large antenna arrays.
Mohd Hamza Naim Shaikh   +3 more
doaj   +1 more source

Downlink and Uplink Intelligent Reflecting Surface Aided Networks: NOMA and OMA

open access: yes, 2021
Intelligent reflecting surfaces (IRSs) are envisioned to provide reconfigurable wireless environments for future communication networks. In this paper, both downlink and uplink IRS-aided non-orthogonal multiple access (NOMA) and orthogonal multiple ...
Cheng, Yanyu   +4 more
core   +1 more source

Intelligent Reflecting Surface Aided Multigroup Multicast MISO Communication Systems [PDF]

open access: yes, 2020
Intelligent reflecting surface (IRS) has recently been envisioned to offer unprecedented massive multiple-input multiple-output (MIMO)-like gains by deploying large-scale and low-cost passive reflection elements. By adjusting the reflection coefficients,
Nallanathan, Arumugam   +4 more
core   +2 more sources

Secrecy Capacity Enhancement in Active IRS-Assisted UAV Communication System

open access: yesSensors, 2023
As a new technology for reconstructing communication environments, intelligent reflecting surfaces (IRSs) can be applied to UAV communication systems. However, some challenges exist in IRS-assisted UAV communication system design, such as physical layer ...
Jiansong Miao   +4 more
doaj   +1 more source

IRS-Aided Radar: Enhanced Target Parameter Estimation via Intelligent Reflecting Surfaces

open access: yes2022 IEEE 12th Sensor Array and Multichannel Signal Processing Workshop (SAM), 2022
The intelligent reflecting surface (IRS) technology has recently attracted a lot of interest in wireless communications research. An IRS consists of passive reflective elements capable of tuning the phase, amplitude, frequency and polarization of the impinging waveforms.
Esmaeilbeig, Zahra   +2 more
openaire   +2 more sources

Demystifying the Power Scaling Law of Intelligent Reflecting Surfaces and Metasurfaces [PDF]

open access: yes, 2019
Intelligent reflecting surfaces (IRSs) have recently attracted the attention of communication theorists as a means to control the wireless propagation channel. It has been shown that the signal-to-noise ratio (SNR) of a single-user IRS-aided transmission
Bjornson E., Sanguinetti L.
core   +3 more sources

Development of a Dual-Polarized Direction-Variable Liquid-Crystal Meta-Surface Reflector for Intelligent Reflecting Surface

open access: yesIEEE Access, 2023
Intelligent reflecting surfaces (IRSs) have been attracting attention as a solution to coverage hole problems in millimeter-wave communication areas. They are considered to be one of the key technologies of next-generation mobile communication systems ...
Hiromi Matsuno   +7 more
doaj   +1 more source

Intelligent Reflecting Vehicle Surface: A Novel IRS Paradigm for Moving Vehicular Networks

open access: yesMILCOM 2022 - 2022 IEEE Military Communications Conference (MILCOM), 2022
Intelligent reflecting surface (IRS) has recently received much attention from the research community due to its potential to achieve high spectral and power efficiency cost-effectively. In addition to traditional cellular networks, the use of IRS in vehicular networks is also considered.
Jiang, Wei, Schotten, Hans D.
openaire   +2 more sources

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