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

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

IEEE 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, Alexandros-Apostolos A. Boulogeorgos, Dimitrios G. Selimis, Fotis I. Lazarakis, Angeliki Alexiou, Symeon Chatzinotas   +5 more
doaj   +2 more sources

Hybrid Deployment Optimization Algorithm for Reconfigurable Intelligent Surface [PDF]

Sensors
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, Xinwei Lin, Zhiyu Han, Yafeng Wang   +3 more
doaj   +2 more sources

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

Communications 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, Marc Späth, Martin Schüßler, Alejandro Jiménez-Sáez   +3 more
doaj   +2 more sources

Wireless Communications Through Reconfigurable Intelligent Surfaces

IEEE 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, Marco Di Renzo, Julien De Rosny, Merouane Debbah, Mohamed-Slim Alouini, Rui Zhang   +5 more
doaj   +6 more sources

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

Nature 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, Lei Zhang, Zhangjie Luo, Rui Zhe Jiang, Zhang Wen Cheng, Si Ran Wang, Meng Ke Sun, Shi Jin, Qiang Cheng, Tie Jun Cui   +9 more
doaj   +2 more sources

Two-Stage Multiarmed Bandit for Reconfigurable Intelligent Surface Aided Millimeter Wave Communications. [PDF]

Sensors (Basel), 2022
Mohamed EM, Hashima S, Hatano K, Aldossari SA.   +3 more
europepmc   +2 more sources

Design synthesis for dynamically reconfigurable logic systems [PDF]

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]

, 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, Pius Adewale Owolawi, Owolawi, Pius Adewale, Kehinde Oluwasesan Odeyemi, Olufemi, Olakanmi Oladayo, Odeyemi, Kehinde Oluwasesan   +5 more
core   +1 more source

Fixed and reconfigurable multiband antennas [PDF]

, 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]

, 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, Boulogeorgos, Alexandros-Apostolos A., Mesodiakaki, Agapi, Abadal, Sergi, NTONTIN, Konstantinos, CHATZINOTAS, Symeon, Chatzinotas, Simeon, ABDULLAH, Zaid, Boulogeorgos, Alexandros Apostolos A.   +8 more
core   +1 more source