Results 21 to 30 of about 15,205 (252)

Spectral and Energy Efficiency of IRS-Assisted MISO Communication with Hardware Impairments [PDF]

open access: yes, 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   +4 more sources

Multicell MIMO Communications Relying on Intelligent Reflecting Surfaces [PDF]

open access: yes, 2020
Intelligent reflecting surfaces (IRSs) constitute a disruptive wireless communication technique capable of creating a controllable propagation environment.
Elkashlan, Maged   +6 more
core   +2 more sources

A reconfigurable intelligent surface with integrated sensing capability [PDF]

open access: yesScientific Reports, 2021
AbstractReconfigurable reflective surfaces can alter the propagation environment to improve wireless communication and power transfer. Paramount to this operation—which has attracted much attention recently—is the assumption that the reflective surface has prior knowledge of the propagation environment, for example, the direction/location of the ...
Alamzadeh, Idban   +3 more
openaire   +4 more sources

Reconfigurable intelligent surface-empowered MIMO systems

open access: yesNational Science Review, 2023
A brief overview is presented in this perspective, considering the application of reconfigurable intelligent surfaces for future multiple-input multiple-output (MIMO) systems.
openaire   +4 more sources

Intelligent Spectrum Learning for Wireless Networks With Reconfigurable Intelligent Surfaces [PDF]

open access: yesIEEE Transactions on Vehicular Technology, 2021
Reconfigurable intelligent surface (RIS) has become a promising technology for enhancing the reliability of wireless communications, which is capable of reflecting the desired signals through appropriate phase shifts. However, the intended signals that impinge upon an RIS are often mixed with interfering signals, which are usually dynamic and unknown ...
Bo Yang   +5 more
openaire   +2 more sources

Review Paper on Hardware of Reconfigurable Intelligent Surfaces

open access: yesIEEE Access, 2023
Recently reconfigurable intelligent surface (RIS) has attracted great attention because it can create a smart wireless environment. Hence it can enhance the capacity and coverage of the wireless network significantly.
Biswarup Rana, Sung-Sil Cho, Ic-Pyo Hong
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

Interference Nulling Using Reconfigurable Intelligent Surface [PDF]

open access: yesIEEE 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

Reconfigurable Intelligent Surface-Assisted Space Shift Keying [PDF]

open access: yesIEEE Wireless Communications Letters, 2020
The concept of reconfigurable intelligent surface (RIS)-assisted transmission, where phases of reflected signals are adjusted in an effective arrangement, has been recently put forward as a promising solution for 6G and beyond networks. Considering this and the undeniable potential of index modulation (IM) techniques, an RIS-based space shift keying ...
Ayse E. Canbilen   +2 more
openaire   +5 more sources

Dynamic edge computing empowered by reconfigurable intelligent surfaces

open access: yesEURASIP Journal on Wireless Communications and Networking, 2022
In this paper, we propose a novel algorithm for energy-efficient low-latency dynamic mobile edge computing (MEC), in the context of beyond 5G networks endowed with reconfigurable intelligent surfaces (RISs).
Paolo Di Lorenzo   +3 more
doaj   +1 more source

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