Active reconfigurable intelligent surfaces: Expanding the frontiers of wireless communication-a survey

M Ahmed, S Raza, AA Soofi, F Khan… - … Surveys & Tutorials, 2024 - ieeexplore.ieee.org
The swift progress of metasurface technology, enabling meticulous manipulation of the
propagation environment, is anticipated to bring a transformative impact on sixth-generation …

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 …

Simultaneously transmitting and reflecting surfaces for ubiquitous next generation multiple access in 6G and beyond

X Mu, J Xu, Z Wang, N Al-Dhahir - Proceedings of the IEEE, 2024 - ieeexplore.ieee.org
The ultimate goal of next generation multiple access (NGMA) is to support massive terminals
and facilitate multiple functionalities over the limited radio resources of wireless networks in …

Active simultaneously transmitting and reflecting (STAR)-RISs: Modeling and analysis

J Xu, J Zuo, JT Zhou, Y Liu - IEEE Communications Letters, 2023 - ieeexplore.ieee.org
A hardware model for active simultaneously transmitting and reflecting reconfigurable
intelligent surfaces (STAR-RISs) is proposed consisting of reflection-type amplifiers. The …

Performance analysis and resource allocation of STAR-RIS-aided wireless-powered NOMA system

K **e, G Cai, G Kaddoum, J He - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This paper proposes a simultaneous transmitting and reflecting reconfigurable intelligent
surface (STAR-RIS) aided wireless-powered non-orthogonal multiple access (NOMA) …

STAR-RIS empowered NOMA systems with caching and SWIPT

TH Vu, A Jee, DB da Costa… - IEEE Open Journal of the …, 2023 - ieeexplore.ieee.org
This paper proposes the joint use of caching and simultaneous wireless information and
power transfer (SWIPT) to enhance the performance of cell-edge users of down-uplink …

STARS-ISAC: How many sensors do we need?

Z Zhang, Y Liu, Z Wang, J Chen - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
A simultaneously transmitting and reflecting surface (STARS) enabled two-phase integrated
sensing and communications (ISAC) framework is proposed, where a novel bi-directional …

Resource Allocation for STAR-RIS-Assisted MIMO Physical-Layer Key Generation

Z Wan, K Liu, Y Chen, K Huang… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
Due to the limited coverage of reflecting-only reconfigurable intelligent surfaces (RIS), the
existing RIS-assisted physical-layer key generation (PKG) scheme limits its overall …

Signal processing and learning for next generation multiple access in 6G

W Chen, Y Liu, H Jafarkhani, YC Eldar… - IEEE Journal of …, 2024 - ieeexplore.ieee.org
Wireless communication systems to date primarily rely on the orthogonality of resources to
facilitate the design and implementation, from user access to data transmission. Emerging …

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 …