Pain without gain: Destructive beamforming from a malicious RIS perspective in IoT networks

Z Lin, H Niu, K An, Y Hu, D Li, J Wang… - IEEE Internet of …, 2023 - ieeexplore.ieee.org
The reconfigurable intelligent surface (RIS) has attracted significant research interests
recently due to its abilities of dynamic channel reconstruction, flexible deployment and …

Maximizing spectral and energy efficiency in multi-user MIMO OFDM systems with RIS and hardware impairment

M Soleymani, I Santamaria, A Sezgin… - arXiv preprint arXiv …, 2024 - arxiv.org
An emerging technology to enhance the spectral efficiency (SE) and energy efficiency (EE)
of wireless communication systems is reconfigurable intelligent surface (RIS), which is …

Average sum-rate maximization for coupled phase-shift STAR-RIS enhanced multi-user MISO-OFDM system

S Huang, W Wang, R Jiang, X Wang… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) is
emerging as a promising technology by achieving full-space coverage and further improving …

Piecewise-drl: Joint beamforming optimization for ris-assisted mu-miso communication system

J Li, W Wang, R Jiang, X Wang, Z Fei… - IEEE Internet of …, 2023 - ieeexplore.ieee.org
With the widespread connectivity of everyday devices realized by the advent of the Internet
of Things (IoT), communication between users of different devices has become increasingly …

Interference Avoidance through Periodic UAV Scheduling in RIS-Aided UAV Cluster Communications

E Zhou, Z Liu, P Lan, W Xiao, W Yang, X Niu - Electronics, 2023 - mdpi.com
This article investigates the transmission of downlink control signals for multiple unmanned
aerial vehicle (UAV) clusters in collaborative search and rescue operations in mountainous …

Sparse Kalman Filter-Based Channel Estimation for RIS-Aided Millimeter Wave Multiple-Input Multiple-Output Systems

J Zhang, Y Su, D Qian - IEEE Access, 2023 - ieeexplore.ieee.org
The acquisition of accurate channel state information is critical for enhancing the
transmission quality and energy efficiency of reconfigurable intelligent surface-aided …

Manifold Optimization-Based Channel Estimation for RIS-Assisted MmWave MIMO-OFDM Systems

Z Huang, C Liu, Y Song, Z Yin, Y Fu… - … 2023-2023 IEEE …, 2023 - ieeexplore.ieee.org
This paper proposes a manifold optimization-based tensor recovery algorithm for channel
estimation (MO-TRACE) in reconfigurable intelligent surface (RIS)-assisted millimeter wave …

CsiNet-Former Network for Bilateral User 3D Localization in STAR-RIS-Assisted MISO Systems

J Li, W Wang, R Jiang, S Huang - 2023 IEEE Globecom …, 2023 - ieeexplore.ieee.org
Integrated sensing and communications (ISAC) is a promising technology for the sixth
generation (6G) of mobile communications. High-precision positioning through sensing can …

Integration of Reconfigurable Intelligent Surfaces With Antennas for 6G Wireless Communications

P Sapkale, S Mehta - Radar and RF Front End System Designs for …, 2024 - igi-global.com
The evolution of wireless communication networks towards 6G demands innovative
solutions to address the challenges of increasing data rates, network capacity, and energy …