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Passive Type Reconfigurable Intelligent Surface: Measurement of Radiation Patterns [PDF]

Micromachines, 2023
The demand for unprecedented data and ubiquitous wireless connections have led to the adoption of new types of transmitters and receivers. Additionally, different new types of devices and technologies need to be proposed for such demand.
Biswarup Rana, Sung-Sil Cho, Ic-Pyo Hong
doaj   +4 more sources

A reconfigurable intelligent surface with integrated sensing capability [PDF]

Scientific Reports, 2021
Reconfigurable reflective surfaces can alter the propagation environment to improve wireless communication and power transfer. Paramount to this operation—which has attracted much attention recently—is the assumption that the reflective surface has prior
Idban Alamzadeh, George C. Alexandropoulos, Nir Shlezinger, Mohammadreza F. Imani   +3 more
doaj   +6 more sources

Resource Allocation for Reconfigurable Intelligent Surface Assisted Dual Connectivity [PDF]

Sensors, 2022
The next generation 6G wireless systems are envisioned to have higher reliability and capacity than the existing cellular systems. The reconfigurable intelligent surfaces (RISs)-assisted wireless networks are one of the promising solutions to control the
Yoghitha Ramamoorthi, Masashi Iwabuchi, Tomoki Murakami, Tomoaki Ogawa, Yasushi Takatori   +4 more
doaj   +2 more sources

Reconfigurable intelligent surface-assisted N-ary Alamouti [PDF]

Scientific Reports
Reconfigurable intelligent surface (RIS)-assisted transmission has become a novel concept for future wireless communications. The multiple-input multiple-output (MIMO)-based RIS-assisted Alamouti (RIS-Alamouti) scheme has been recently proposed in the ...
Hongjun Xu, Narushan Pillay, Vinoth Babu Kumaravelu   +2 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

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

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   +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

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

Intelligent Reconfigurable surface technique for Multiple Antenna Communication System

Wasit Journal of Engineering Sciences
The throughput growth of the coming wireless communication schemes requires the deployment of more base stations at a lower power use. We were inspired by the newly recommended intelligent reconfigurable surface technique (IRS) to address this issue ...
Noor Qasim, Ismail Hburi, Haider Salih Al Ammar   +2 more
doaj   +3 more sources

Joint Symbol-Level Precoding and Reflecting Designs for IRS-Enhanced MU-MISO Systems [PDF]

, 2021
Intelligent reflecting surfaces (IRSs) have emerged as a revolutionary solution to enhance wireless communications by changing propagation environment in a cost-effective and hardware-efficient fashion.
Li, M, Liu, Q, Liu, R, Swindlehurst, AL
core   +2 more sources