71 citations · 121 across the 40 of their papers we have counts for
10 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)…
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…
The Capacity Region of Information Theoretic Secure Aggregation with Uncoded Groupwise Keys
Kai Wan, Hua Sun, Mingyue Ji +2
This paper considers the secure aggregation problem for federated learning under an information theoretic cryptographic formulation, where distributed training nodes (referred to a…
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…
Fast thresholding algorithms with feedbacks for sparse signal recovery
Shidong Li, Yulong Liu, Tiebin Mi
We provide another framework of iterative algorithms based on thresholding, feedback and null space tuning for sparse signal recovery arising in sparse representations and compress…
Performance Analysis of -synthesis with Coherent Frames
Yulong Liu, Shidong Li, Tiebin Mi
Signals with sparse frame representations comprise a much more realistic model of nature than that with orthonomal bases. Studies about the signal recovery associated with such spa…
Compressed Sensing with General Frames via Optimal-dual-based -analysis
Yulong Liu, Tiebin Mi, Shidong Li
Compressed sensing with sparse frame representations is seen to have much greater range of practical applications than that with orthonormal bases. In such settings, one approach t…