Review paper on hardware of reconfigurable intelligent surfaces

B Rana, SS Cho, IP Hong - IEEE Access, 2023 - ieeexplore.ieee.org
Recently reconfigurable intelligent surface (RIS) has attracted great attention because it can
create a smart wireless environment. Hence it can enhance the capacity and coverage of the …

A Comprehensive Review on Beamforming Optimization Techniques for IRS assisted Energy Harvesting

P Vishwakarma, D Bhattacharjee, S Dhar… - Archives of Computational …, 2024 - Springer
Intelligent reflecting surfaces (IRS) recently gained prominence due to their ability to adapt
and tweak their configuration in real-time to create an intelligent wireless environment …

Demonstration of millimeter-Wave reconfigurable intelligent surface (RIS) with built-in sensors for automatic tracking of direction-of-arrival (DOA)

M Hwang, D An, S Chang, Y Youn, D Kim… - IEEE Sensors …, 2023 - ieeexplore.ieee.org
This letter proposes a reconfigurable intelligent surface (RIS) with built-in sensors concept
for millimeter-wave (mmWave) applications. The proposed method utilizes a unit cell …

Passive Type Reconfigurable Intelligent Surface: Measurement of Radiation Patterns

B Rana, SS Cho, IP Hong - Micromachines, 2023 - mdpi.com
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 …

Characterization of Unit Cells of a Reconfigurable Intelligence Surface Integrated with Sensing Capability at the mmWave Frequency Band

B Rana, SS Cho, IP Hong - Electronics, 2024 - mdpi.com
Integrated sensing and communication (ISAC) is emerging as a main feature for 5G/6G
communications. To enhance spectral and energy efficiencies in wireless environments …

Performance analysis of reconfigurable intelligent surface assisted wireless communications

T Wang - 2023 - ora.ox.ac.uk
The advent of the smart radio environment has challenged traditional wireless
communication systems, and reconfigurable intelligent surfaces (RIS) have emerged as a …

Wireless Channel-adaptive Sensor-integrated Reconfigurable Intelligent Surface based on Deep Neural Network

M Hwang, Y Youn, C Lee, D Kim, D An… - … Workshop on Antenna …, 2023 - ieeexplore.ieee.org
This paper presents functional reconfigurable intelligent surface (RIS) with sensing
capability that is applicable to various wireless communication environments at microwave …

Cognitive manipulation of Wireless Channel Matrix using Software-driven Electromagnetic Skins for mmWave and sub-THz

Y Youn, D Kim, M Hwang, D An, M Kim… - … On Antennas And …, 2023 - ieeexplore.ieee.org
Electromagnetic skins (EMSs) can be employed to manipulate the wireless channel matrix,
improving the signal-to-noise ratio at the millimeter-wave and sub-THz frequency spectrum …