Robust beamformer design in active RIS-assisted multiuser MIMO cognitive radio networks

R Allu, O Taghizadeh, SK Singh… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In this work, we address the problem of a joint robust transmission, reflection and reception
strategy design at an active reconfigurable intelligent surface (RIS)-assisted underlay …

Transmit power optimization of simultaneous transmission and reflection RIS assisted full-duplex communications

Y Wang, P Guan, H Yu, Y Zhao - IEEE Access, 2022 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) has been proven to be a promising technology for
improving the performance of future wireless systems. However, since conventional RIS can …

Energy Efficiency Optimization for a Multiuser IRS-aided MISO System with SWIPT

J Tang, Z Peng, DKC So, X Zhang… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Combining simultaneous wireless information and power transfer (SWIPT) and an intelligent
reflecting surface (IRS) is a feasible scheme to enhance energy efficiency (EE) performance …

Latency Optimized C-RAN in Optical Backhaul and RF Fronthaul Architecture for Beyond 5G Network: A Comprehensive Survey

A Bhandari, AG IEEE, ST IEEE, JJPCR IEEE… - Computer Networks, 2024 - Elsevier
The need for high-speed data connection has significantly strained Mobile Network
Operators (MNOs) due to an exponential increase in traffic. Numerous innovative …

Energy-efficient beamforming optimization for MISO communication based on reconfigurable intelligent surface

F Tan, X Xu, H Chen, S Li - Physical Communication, 2023 - Elsevier
Reconfigurable intelligent surface (RIS), a planar metasurface consisting of a large number
of low-cost reflecting elements, has received much attention due to its ability to improve both …

Deep Learning Aided Secure Transmission in Wirelessly Powered Untrusted Relaying in the Face of Hardware Impairments

V Shahiri, M Forouzesh, H Behroozi… - IEEE Open Journal …, 2024 - ieeexplore.ieee.org
Limited power and computational resources make the employment of complex classical
encryption schemes unrealistic in resource-limited networks, eg, the Internet of Things (IoT) …

Robust Transmission Design in Multi-Objective RIS-Aided SWIPT IoT Communications

V Sharma, R Allu, SK Singh, K Singh… - IEEE Internet of …, 2024 - ieeexplore.ieee.org
This work investigates the performance of simultaneous wireless information and power
transfer (SWIPT) in a reconfigurable intelligent surface (RIS)-aided internet of things (IoT) …

Energy-efficient precoder design in RIS-assisted multiuser MIMO cognitive radio networks

R Allu, SK Singh, O Taghizadeh… - … 2022-2022 IEEE …, 2022 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) is an emerging next-generation technology that can
improve the energy efficiency using multiple low-power passive metasurfaces which reflect …

RIS-SWIPT for batteryless users in disaster areas

H Zhang, W Cheng - Journal of Communications and …, 2022 - ieeexplore.ieee.org
For trapped users in disaster areas, the available energy of affected user equipment (UE) is
limited due to the breakdown of the ground power system. When complex geographical …

Design of power-efficient SWIPT-enabled RIS-assisted MIMO communications

J Yaswanth, SK Singh, K Singh - GLOBECOM 2022-2022 IEEE …, 2022 - ieeexplore.ieee.org
This paper investigates a power-efficient simultaneous wireless information and power
transfer (SWIPT)-enabled reconfigurable intelligent surface (RIS)-assisted multi-input multi …