Results 31 to 40 of about 22,605 (267)
A Reconfigurable Intelligent Surface at mmWave Based on a Binary Phase Tunable Metasurface
IEEE 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
Secure Vehicular Communications Through Reconfigurable Intelligent Surfaces [PDF]
IEEE Transactions on Vehicular Technology, 2021 6 ...
Yun Ai +5 more
openaire +2 more sources
IET Communications, 2022 Recently, the physical limitation of range‐domain security guarantee for directional modulation with frequency diverse array was disclosed in Ding et al. (IEEE Access 8, 63302–63309 (2020)).
Jiangong Chen +4 more
doaj +1 more source
Reconfigurable Intelligent Surfaces: Channel Characterization and Modeling
Proceedings of the IEEE, 2022 Reconfigurable intelligent surfaces (RISs) are two dimensional (2D) metasurfaces which can intelligently manipulate electromagnetic waves by low-cost near passive reflecting elements. RIS is viewed as a potential key technology for the sixth generation (6G) wireless communication systems mainly due to its advantages in tuning wireless signals, thus ...
Jie Huang +7 more
openaire +2 more sources
Survey on reconfigurable intelligent surfaces below 10 GHz
EURASIP Journal on Wireless Communications and Networking, 2021 Reconfigurable intelligent surface (RIS) is a programmable structure that can be used to control the propagation of electromagnetic waves by changing the electric and magnetic properties of the surface.
Visa Tapio +4 more
doaj +1 more source
Reconfigurable Intelligent Surface Optimal Placement in Millimeter-Wave Networks
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 +5 more
doaj +1 more source
IEEE Open Journal of the Communications Society, 2021 Reconfigurable Intelligent Surface (RIS) has emerged as a promising technology in wireless networks to achieve high spectrum and energy efficiency. RIS typically comprises a large number of low-cost nearly passive elements that can smartly interact with ...
Baoling Sheen +3 more
doaj +1 more source
Integrated reconfigurable control and guidance based on evaluation of degraded performance [PDF]
, 2016 The present paper is focused on analysing an integrated reconfigurable control and guidance approach for recovering a small fixed-wing UAV from different actuator faults, which cover locked in place (stuck) and loss of effectiveness. The model of the UAV
Casaban-Lillo, Conekt +3 more
core +1 more source
Terminal-centric view of software reconfigurable system architecture and enabling components and technologies [PDF]
, 2004 Reconfigurahlc radio in Europe is rapidly gaining momentum and becoming a key enabler for realizing the vision of hcing optimally connected anywhere, anytime.
Burgess, Rollo +8 more
core +2 more sources
Intelligent Reflecting Surface Aided Multigroup Multicast MISO Communication Systems [PDF]
, 2020 Intelligent reflecting surface (IRS) has recently been envisioned to offer unprecedented massive multiple-input multiple-output (MIMO)-like gains by deploying large-scale and low-cost passive reflection elements. By adjusting the reflection coefficients,
Nallanathan, Arumugam +4 more
core +2 more sources