Reconfigurable intelligent surface for physical layer security in 6G-IoT: Designs, issues, and advances

W Khalid, MAU Rehman, T Van Chien… - IEEE Internet of …, 2023 - ieeexplore.ieee.org
Sixth-generation (6G) networks pose substantial security risks because confidential
information is transmitted over wireless channels with a broadcast nature, and various attack …

Exploiting multiple RISs and direct link for performance enhancement of wireless systems with hardware impairments

PT Tran, BC Nguyen, TM Hoang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In this paper, the performance of a wireless system, which is beneficial from utilization of
multiple reconfigurable intelligent surfaces (RISs) and the direct link between the source …

Simultaneous transmitting and reflecting-reconfigurable intelligent surface in 6G: Design guidelines and future perspectives

W Khalid, Z Kaleem, R Ullah, T Van Chien… - IEEE …, 2022 - ieeexplore.ieee.org
Reconfigurable intelligent surfaces (RISs) have been considered as a promising technology
for the sixth-generation (6G) wireless networks that can control wireless channels in a …

[HTML][HTML] Overview of RIS-enabled secure transmission in 6G wireless networks

JS Bae, W Khalid, A Lee, H Lee, S Noh, H Yu - Digital Communications and …, 2024 - Elsevier
Abstract As the 6th-Generation (6G) wireless communication networks evolve, privacy
concerns are expected due to the transmission of vast amounts of security-sensitive private …

Energy-efficient beamforming design for RIS-aided MIMO downlink communication with SWIPT

J Yaswanth, SK Singh, K Singh… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This paper investigates an energy/power-efficient simultaneous wireless information and
power transfer (SWIPT)-enabled reconfigurable intelligent surface (RIS)-assisted multi-input …

How practical phase-shift errors affect beamforming of reconfigurable intelligent surface?

J Yang, Y Chen, Y Cui, Q Wu, J Dou… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) is able to manipulate the wireless environment
smartly and has been exploited for assisting the wireless communications, especially at high …

Two-way communications empowered by reconfigurable intelligent surfaces and direct link: Outage analysis under hardware impairments and Nakagami-m fading

S Yadav, AK Yadav, R Gour, GC Alexandropoulos… - Physical …, 2024 - Elsevier
In this article, we consider a two-way communication system empowered by a
reconfigurable intelligent surface (RIS), consisting of N passive reflective elements, in the …

Optimal Operation of Active RIS-Aided Wireless Powered Communications in IoT Networks

W Khalid, AAA Boulogeorgos… - IEEE Internet of …, 2024 - ieeexplore.ieee.org
Wireless-powered communications (WPCs) are increasingly crucial for extending the
lifespan of low-power Internet of Things (IoT) devices. Furthermore, reconfigurable intelligent …

Performance analysis of multi-RIS-aided mmWave MIMO systems using Poisson point processes

GH Li, DW Yue, SN **, Q Hu - IEEE Signal Processing Letters, 2023 - ieeexplore.ieee.org
Different from previous literature assuming either single reconfigurable intelligent surface
(RIS) or multiple RISs at given locations, this letter first studies a multi-user millimeter wave …

Outage and throughput performance of hybrid RISs-relay-aided-wireless systems with imperfect transceiver hardware

DT Tam, BC Nguyen, N Van Vinh - AEU-International Journal of …, 2022 - Elsevier
In this paper, we propose a wireless system where multiple advanced reconfigurable
intelligent surfaces (RISs) are combined with a traditional relay for significantly …