Five facets of 6G: Research challenges and opportunities

LH Shen, KT Feng, L Hanzo - ACM Computing Surveys, 2023 - dl.acm.org
While the fifth-generation systems are being rolled out across the globe, researchers have
turned their attention to the exploration of radical next-generation solutions. At this early …

A survey on STAR-RIS: Use cases, recent advances, and future research challenges

M Ahmed, A Wahid, SS Laique… - IEEE Internet of …, 2023 - ieeexplore.ieee.org
The recent development of metasurfaces, which may enable several use cases by modifying
the propagation environment, is anticipated to substantially affect the performance of sixth …

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 …

Sum-rate maximization in star-ris assisted rsma networks: A ppo-based algorithm

C Meng, K Xiong, W Chen, B Gao… - IEEE Internet of …, 2023 - ieeexplore.ieee.org
This article investigates simultaneous transmitting and reflecting reconfigurable intelligent
surface (STAR-RIS)-assisted downlink multiuser multiple-input–single-output (MU-MISO) …

Simultaneously transmitting and reflecting (STAR) RISs for 6G: fundamentals, recent advances, and future directions

Y Liu, J Xu, Z Wang, X Mu, J Zhang, P Zhang - Frontiers of Information …, 2023 - Springer
Simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs)
have been attracting significant attention in both academia and industry for their advantages …

Reconfigurable intelligent surface assisted non-orthogonal multiple access network based on machine learning approaches

S Fu, Y Wang, X Feng, B Di, C Li - IEEE Network, 2023 - ieeexplore.ieee.org
In the upcoming beyond fifth-generation (B5G), the surging demand on high network
capacity and numerous access devices can hardly be satisfied by the scarce spectrum …

DRL-based RIS phase shift design for OFDM communication systems

P Chen, X Li, M Matthaiou, S Jin - IEEE Wireless …, 2023 - ieeexplore.ieee.org
This letter investigates a downlink orthogonal frequency division multiplexing (OFDM)
transmission system aided by a reconfigurable intelligent surface (RIS). To reduce the …

Analytical performance evaluation of STAR-RIS assisted terahertz wireless communications

AMT Khel, KA Hamdi - IEEE Transactions on Vehicular …, 2023 - ieeexplore.ieee.org
This article considers simultaneous transmitting and reflecting reconfigurable intelligent
surface (STAR-RIS) assisted terahertz communications, in which a multi-antenna full-duplex …

Deep reinforcement learning enabled covert transmission with UAV

J Hu, M Guo, S Yan, Y Chen, X Zhou… - IEEE Wireless …, 2023 - ieeexplore.ieee.org
This letter considers covert communications in the context of unmanned aerial vehicle (UAV)
networks, where a UAV is employed as a base station to transmit covert data to a legitimate …

DRL-based STAR-RIS-assisted ISAC secure communications

Z Zhu, M Gong, Z Chu, P Xiao, G Sun… - 2023 International …, 2023 - ieeexplore.ieee.org
In this paper, we explore a simultaneously transmitting and reflecting reconfigurable
intelligent surface (STAR-RIS)-assisted integrated sensing and communication (ISAC) …