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 …

Active-passive irs aidedwireless communication: New hybrid architecture and elements allocation optimization

Z Kang, C You, R Zhang - IEEE Transactions on Wireless …, 2023 - ieeexplore.ieee.org
Intelligent reflecting surface (IRS) has emerged as a promising technology to enhance the
wireless communication network coverage and capacity by dynamically controlling the radio …

An active reconfigurable intelligent surface utilizing phase-reconfigurable reflection amplifiers

J Rao, Y Zhang, S Tang, Z Li, CY Chiu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Active reconfigurable intelligent surfaces (RISs) have recently been proposed to
complement and generalize passive RIS. In this work, the design for an active RIS based on …

Secure Communication of Active RIS Assisted NOMA Networks

X Li, Y Pei, X Yue, Y Liu, Z Ding - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
As a revolutionary technology, reconfigurable intelligent surface (RIS) has been deemed as
an indispensable part of the 6th generation communications due to its inherent ability to …

Energy efficiency optimization in RIS-aided wireless networks: Active versus nearly-passive RIS with global reflection constraints

RK Fotock, A Zappone… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This work addresses the topic of energy efficiency (EE) maximization in wireless networks
aided by a reconfigurable intelligent surface (RIS), considering both active and nearly …

Active RIS Enabled Secure NOMA Communications With Discrete Phase Shifting

C Gong, H Li, S Hao, K Long… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Active reconfigurable intelligent surface (RIS) is deemed a prospective candidate to
compensate the double fading attenuation caused by the passive RIS, where each element …

Fairness enhancement of UAV systems with hybrid active-passive RIS

NT Nguyen, VD Nguyen, H Van Nguyen… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
We consider unmanned aerial vehicle (UAV)-enabled wireless systems where downlink
communications between a multi-antenna UAV and multiple users are assisted by a hybrid …

Active intelligent reflecting surface aided RSMA for millimeter-wave hybrid antenna array

P Liu, Y Li, W Cheng, X Dong… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
The active intelligent reflecting surface (IRS) can amplify the incident signal besides
reflecting, thus alleviating the double-fading effect of the cascaded link. However, if the …

Intelligent connectivity through RIS-assisted wireless communication: Exact performance analysis with phase errors and mobility

VK Chapala, SM Zafaruddin - IEEE Transactions on Intelligent …, 2023 - ieeexplore.ieee.org
The current research offers only approximations for evaluating the performance of wireless
systems that use reconfigurable intelligent surfaces (RIS) over generalized fading channels …

Robust beamforming design for active-RIS aided MIMO SWIPT communication system: A power minimization approach

J Yaswanth, M Katwe, K Singh… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
As a revolutionary paradigm for green communication architecture for next-generation,
reconfigurable intelligent surfaces (RISs) has been considered for simultaneous wireless …