Results 1 to 10 of about 15,106 (153)

Secure Networking with Software-Defined Reconfigurable Intelligent Surfaces [PDF]

open access: yesSensors, 2023
Reconfigurable intelligent surfaces (RIS) are considered of paramount importance to improve air–ground and THz communications performance for 6G systems.
Francesco Chiti   +2 more
doaj   +2 more sources

Multi-Functional Reconfigurable Intelligent Surfaces for Enhanced Sensing and Communication [PDF]

open access: yesSensors, 2023
In this paper, we propose a reconfigurable intelligent surface (RIS) that can dynamically switch the transmission and reflection phase of incident electromagnetic waves in real time to realize the dual-beam or quad-beam and convert the polarization of ...
Khushboo Singh   +5 more
doaj   +2 more sources

Parameters and Measurement Techniques of Reconfigurable Intelligent Surfaces [PDF]

open access: yesMicromachines, 2022
Reconfigurable intelligent surface (RIS)-aided wireless communications systems are one the promising wireless communication system where the wave can be guided by the RIS.
Biswarup Rana, Sung-Sil Cho, Ic-Pyo Hong
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

Configuring reconfigurable intelligent surfaces using a practical codebook approach [PDF]

open access: yesScientific Reports, 2023
It is proven that the scattering, reflection, and refraction properties of electromagnetic signals can be adapted and managed by using reconfigurable intelligent surfaces (RISs).
Saber Hassouna   +4 more
doaj   +2 more sources

Terahertz Reconfigurable Intelligent Surfaces (RISs) for 6G Communication Links [PDF]

open access: yesMicromachines, 2022
The forthcoming sixth generation (6G) communication network is envisioned to provide ultra-fast data transmission and ubiquitous wireless connectivity. The terahertz (THz) spectrum, with higher frequency and wider bandwidth, offers great potential for 6G
Fengyuan Yang   +2 more
doaj   +2 more sources

Over-the-air beamforming with reconfigurable intelligent surfaces

open access: yesFrontiers in Communications and Networks, 2022
Reconfigurable intelligent surface (RIS)-empowered communication is a revolutionary technology that enables to manipulate wireless propagation environment via smartly controllable low-cost reflecting surfaces. However, in order to outperform conventional
Zehra Yigit   +2 more
doaj   +4 more sources

Coded environments: data-driven indoor localisation with reconfigurable intelligent surfaces [PDF]

open access: yesCommunications Engineering
Reconfigurable Intelligent Surfaces have recently emerged as a revolutionary next-generation wireless networks paradigm that harnesses engineered electromagnetic environments to reshape radio wave propagation.
Syed Tariq Shah   +7 more
doaj   +2 more sources

Experimental Demonstration of Sensing Using Hybrid Reconfigurable Intelligent Surfaces [PDF]

open access: yesSensors
Acquiring information about the surrounding environment is crucial for reconfigurable intelligent surfaces (RISs) to effectively manipulate radio wave propagation.
Idban Alamzadeh, Mohammadreza F. Imani
doaj   +2 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

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