15 citations · 42 across the 32 of their papers we have counts for
9 papers · 1 filter
Metasurface-Enabled Superheterodyne Transmitter With Decoupled Harmonic-Free Signal Generation and Precoding
Xuehui Dong, Miyu Feng, Chen Shao +6
The evolution of programmable metasurfaces (PM) from passive beamforming to active information transmission marks a paradigm shift for next-generation wireless systems. However, th…
Flexible Multi-Beam Synthesis and Directional Suppression Through Transmissive RIS
Rujing Xiong, Ke Yin, Jialong Lu +3
Despite extensive research on reconfigurable intelligent surfaces (RISs) in recent years, existing beamforming methods still face significant challenges in achieving flexible and r…
Design and Optimization on Successive RIS-assisted Multi-hop Wireless Communications
Rujing Xiong, Jialong Lu, Jianan Zhang +4
As an emerging wireless communication technology, reconfigurable intelligent surface (RIS) has become a basic choice for providing signal coverage services in scenarios with dense…
Optimal Beamforming of RIS-Aided Wireless Communications: An Alternating Inner Product Maximization Approach
Rujing Xiong, Tiebin Mi, Jialong Lu +4
This paper investigates a general discrete -norm maximization problem, with the power enhancement at steering directions through reconfigurable intelligent surfaces (RISs)…
Multi-user ISAC through Stacked Intelligent Metasurfaces: New Algorithms and Experiments
Ziqing Wang, Hongzheng Liu, Jianan Zhang +5
This paper investigates a Stacked Intelligent Metasurfaces (SIM)-assisted Integrated Sensing and Communications (ISAC) system. An extended target model is considered, where the BS…
R-NeRF: Neural Radiance Fields for Modeling RIS-enabled Wireless Environments
Huiying Yang, Zihan Jin, Chenhao Wu +3
Recently, ray tracing has gained renewed interest with the advent of Reflective Intelligent Surfaces (RIS) technology, a key enabler of 6G wireless communications due to its capabi…
Optimal Configuration of Reconfigurable Intelligent Surfaces With Non-uniform Phase Quantization
Jialong Lu, Rujing Xiong, Tiebin Mi +2
The existing methods for reconfigurable intelligent surface (RIS) beamforming in wireless communications are typically limited to uniform phase quantization. However, in practical…
Asymptotic CRB Analysis of Random RIS-Assisted Large-Scale Localization Systems
Zhengyu Wang, Hongzheng Liu, Rujing Xiong +2
This paper studies the performance of a randomly RIS-assisted multi-target localization system, in which the configurations of the RIS are randomly set to avoid high-complexity opt…
Codebook Configuration for RIS-aided Systems via Implicit Neural Representations
Huiying Yang, Rujing Xiong, Yao Xiao +4
Reconfigurable Intelligent Surface (RIS) is envisioned to be an enabling technique in 6G wireless communications. By configuring the reflection beamforming codebook, RIS focuses si…