Results 31 to 40 of about 5,058,583 (266)

Fluid-infiltrated on-axis ultra-compact reconfigurable intelligent surface for application of free-space optical communication

, 2023
Free space optical (FSO) communication is an evolving technology that opens up the doors to use huge unlicensed bandwidth and can manifest high-speed communication.
Massoud, Yehia Mahmoud, Khalid, R., Zubair, M., Mehmood, N., Mehmood, M. Q.   +4 more
core   +1 more source

Aerial Reconfigurable Intelligent Surface-Enabled URLLC UAV Systems

IEEE Access, 2021
In this paper, we propose an aerial reconfigurable intelligent surface (RIS) system to support the stringent constraints of ultra-reliable low latency communication (URLLC).
Yijiu Li, Cheng Yin, Tan Do-Duy, Antonino Masaracchia, Trung Q. Duong   +4 more
doaj   +1 more source

Vision-Based Reconfigurable Intelligent Surface Beam Tracking for mmWave Communications [PDF]

, 2023
Reconfigurable intelligent surfaces have emerged as a technology with the potential to enhance wireless communication performance for 5G and beyond. However, the technology comes with challenges in areas such as complexity, power consumption, and cost ...
Cai, Xuesong, Tufvesson, Fredrik, Sanchez, Juan   +2 more
core   +1 more source

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, Ibrahim Hemadeh, Alain Mourad, Arman Shojaeifard, Markku Juntti   +4 more
doaj   +1 more source

Control Plane for Reconfigurable Intelligent Surfaces [PDF]

IEEE Communications Standards Magazine
Published in Communication Standards ...
Fabio Saggese, Victor Croisfelt, Kyriakos Stylianopoulos, George C. Alexandropoulos, Petar Popovski   +4 more
openaire   +3 more sources

An ohmic RF MEMS switch for reconfigurable microstrip array antennas built on PCB [PDF]

, 2008
This paper presents the analysis, design and simulation of an ohmic RF MEMS switch specified for reconfigurable microstrip array antennas built on PCB via an integrated monolithic technology.
Mallios, N, Nilavalan, R, Kampitaki, D, Charalampidis, N, Spasos, M, Soel, P, Tsiakmakis, K   +6 more
core   +6 more sources

Reconfigurable wideband patch antenna for cognitive radio [PDF]

, 2009
Cognitive radio communication is envisaged to be a new paradigm of methodologies for enhancing the performance of radio communication systems through the efficient utilization of radio spectrum.
AbuTarboush, HF, D. Budimir, Khan, S, Budimir, D, S. Khan, H. F. Abu Tarboush, R. Nilavalan, Nilavalan, R., Budimir, D., Khan, S., Nilavalan, R, Al-Raweshidy, H.S., AbuTarboush, H.F., Al-Raweshidy, H, H. S. Al-Raweshidy   +14 more
core   +1 more source

A Deep Learning Based Modeling of Reconfigurable Intelligent Surface Assisted Wireless Communications for Phase Shift Configuration

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, Jin Yang, Xianglong Feng, Md Moin Uddin Chowdhury   +3 more
doaj   +1 more source

Over-the-air beamforming with reconfigurable intelligent surfaces

Frontiers 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 communication systems, an RIS-aided system with solely passive reflection requires an extremely ...
Zehra Yigit, Ertuğrul Başar, İbrahim Altunbaş   +2 more
openaire   +6 more sources

Exploiting Reconfigurable Intelligent Surface-Based Uplink/Downlink Wireless Systems

IEEE Access, 2022
This paper analyzes the performance of an uplink/downlink reconfigurable intelligent surface (RIS)-based wireless system with a multiple-antenna base station (B), where the RIS selection strategy is considered to alleviate the overhead and resources ...
Khac-Tuan Nguyen, Thai-Hoc Vu, Sunghwan Kim   +2 more
doaj   +1 more source