Results 11 to 20 of about 25,963 (242)

Enhancing active reconfigurable intelligent surface

open access: yesIntelligent and Converged Networks, 2022
A Reconfigurable Intelligent Surface (RIS) panel comprises many independent Reflective Elements (REs). One possible way to implement an RIS is to use a binary passive load impedance connected to an antenna element to achieve the modulation of reflected ...
Muhammad I. Khalil
doaj   +2 more sources

Wireless Communications Through Reconfigurable Intelligent Surfaces

open access: yesIEEE Access, 2019
The future of mobile communications looks exciting with the potential new use cases and challenging requirements of future 6th generation (6G) and beyond wireless networks. Since the beginning of the modern era of wireless communications, the propagation
Ertugrul Basar   +5 more
doaj   +6 more sources

Passive Transmissive Reconfigurable Intelligent Surface

open access: yesElectron
Reconfigurable intelligent surfaces (RISs) have been extensively studied as a key technology for advanced 6G communications. Although active RIS systems present innovative opportunities for wave manipulation and communication, they are hindered by their ...
Xiangming Wu   +4 more
doaj   +2 more sources

Reconfigurable intelligent surface-empowered MIMO systems. [PDF]

open access: yesNatl Sci Rev, 2023
A brief overview is presented in this perspective, considering the application of reconfigurable intelligent surfaces for future multiple-input multiple-output (MIMO) systems.
Basar E.
europepmc   +5 more sources

Reconfigurable Intelligent Surface-Empowered MIMO Systems [PDF]

open access: yesIEEE Systems Journal, 2021
To appear in IEEE SYSTEMS JOURNAL, 9 pages, 6 figures, and 1 ...
Aymen Khaleel, Ertugrul Basar
openaire   +5 more sources

Reconfigurable Intelligent Surface Aided NOMA Networks [PDF]

open access: yesIEEE Journal on Selected Areas in Communications, 2020
Reconfigurable intelligent surfaces (RISs) constitute a promising performance enhancement for next-generation (NG) wireless networks in terms of enhancing both their spectrum efficiency (SE) and energy efficiency (EE). We conceive a system for serving paired power-domain non-orthogonal multiple access (NOMA) users by designing the passive beamforming ...
Tianwei Hou   +5 more
openaire   +4 more sources

Reconfigurable Intelligent Surface Aided Mobile Edge Computing [PDF]

open access: yesIEEE Wireless Communications, 2021
Accepted by IEEE Wireless Communications.
Bai, Tong   +3 more
openaire   +3 more sources

Experimental Demonstration of a mmWave Passive Access Point Extender Based on a Binary Reconfigurable Intelligent Surface

open access: yesFrontiers in Communications and Networks, 2021
As data rates demands are exploding, 5G will soon rely on mmWaves that offer much higher bandwidths. Yet at these frequencies, attenuation and diffraction of waves require point to point communications with beamforming base stations that are complex and ...
Vladislav Popov   +7 more
doaj   +1 more source

Mechatronic Reconfigurable Intelligent‐Surface‐Driven Indoor Fifth‐Generation Wireless Communication

open access: yesAdvanced Intelligent Systems, 2022
Reconfigurable intelligent surface‐assisted wireless networks have been proposed to overcome the current technical issues in fifth‐generation (5G) wireless communication systems.
Heijun Jeong   +3 more
doaj   +1 more source

A Reconfigurable Intelligent Surface at mmWave Based on a Binary Phase Tunable Metasurface

open access: yesIEEE Open Journal of the Communications Society, 2021
Originally introduced in the early 2010’s, the idea of smart environments through reconfigurable intelligent surfaces (RIS) controlling the reflections of the electromagnetic waves has attracted much attention in recent years in preparation for ...
Jean-Baptiste Gros   +4 more
doaj   +1 more source

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