Results 11 to 20 of about 5,058,583 (266)

Reconfigurable Intelligent Surface Optimal Placement in Millimeter-Wave Networks [PDF]

open access: yesIEEE 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   +2 more sources

Hybrid Deployment Optimization Algorithm for Reconfigurable Intelligent Surface [PDF]

open access: yesSensors
As a key 6G candidate technology, reconfigurable intelligent surface (RIS) integrates into sensor-communication systems, supporting positioning and sensing as environmental sensor nodes or anchors.
Yifan Lin   +3 more
doaj   +2 more sources

Architecture for sub-100 ms liquid crystal reconfigurable intelligent surface based on defected delay lines [PDF]

open access: yesCommunications Engineering
Reconfigurable intelligent surfaces, comprised of passive tunable elements, are emerging as an essential device for upcoming millimeter wave and terahertz wireless systems. A fundamental aspect of the device involves the tuning technology used to achieve
Robin Neuder   +3 more
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

A filtering reconfigurable intelligent surface for interference-free wireless communications [PDF]

open access: yesNature Communications
The powerful capability of reconfigurable intelligent surfaces (RISs) in tailoring electromagnetic waves and fields has put them under the spotlight in wireless communications.
Jing Cheng Liang   +9 more
doaj   +2 more sources

Design synthesis for dynamically reconfigurable logic systems [PDF]

open access: yes
Dynamic reconfiguration of logic circuits has been a research problem for over four decades. While applications using logic reconfiguration in practical scenarios have been demonstrated, the design of these systems has proved to be a difficult process ...
Vasilko, Milan
core   +9 more sources

Physical layer security of reconfigurable intelligent surface empowered wireless network with cooperative jammer [PDF]

open access: yes, 2022
This paper evaluates the physical layer security performance of a reconfigurable intelligent surface (RIS) enabled wireless network in the presence of a passive eavesdropper.
Olakanmi Oladayo Olufemi   +5 more
core   +1 more source

Fixed and reconfigurable multiband antennas [PDF]

open access: yes, 2011
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel UniversityWith the current scenario of development of antennas in the wireless communication field, the need of compact multiband, multifunctional and cost effective ...
Abutarboush, Hattan F
core   +6 more sources

Time vs. Unit Cell Splitting for Autonomous Reconfigurable Intelligent Surfaces [PDF]

open access: yes, 2022
In this work, we propose a time- and a unit cell-splitting protocol for supplying the energy needs of reconfigurable intelligent surfaces (RISs) through wireless energy harvesting (EH) from information signals. We first compute the RIS energy consumption
Abadal Cavallé, Sergi   +8 more
core   +1 more source

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