82 citations · 620 across the 68 of their papers we have counts for
6 papers · 1 filter
Transforming RIS-Assisted Passive Beamforming from Tedious to Simple: A Relaxation Algorithm for Rician Channel
Xuehui Dong, Rujing Xiong, Tiebin Mi +2
This paper investigates the problem of maximizing the signal-to-noise ratio (SNR) in reconfigurable intelligent surface (RIS)-assisted MISO communication systems. The problem will…
Joint Beamforming Design and 3D DoA Estimation for RIS-aided Communication System
Zhengyu Wang, Wei Yang, Tiebin Mi +1
In this paper, we consider a reconfigurable intelligent surface (RIS)-assisted 3D direction-of-arrival (DoA) estimation system, in which a uniform planar array (UPA) RIS is deploye…
Optimal Discrete Beamforming of RIS-Aided Wireless Communications: An Inner Product Maximization Approach
Rujing Xiong, Xuihui Dong, Tiebin Mi +2
This paper studies the beamforming optimization challenge in reconfigurable intelligent surface (RIS)-aided multiple-input single-output (MISO) systems, where the RIS phase configu…
RIS-aided Wireless Communication with -bit Discrete Optimization for Signal Enhancement
Rujing Xiong, Xuehui Dong, Tiebin Mi +1
In recent years, a brand-new technology, reconfigurable intelligent surface (RIS) has been widely studied for reconfiguring the wireless propagation environment. RIS is an artifici…
Towards Analytical Electromagnetic Models for Reconfigurable Intelligent Surfaces
Tiebin Mi, Jianan Zhang, Rujing Xiong +2
Physically accurate and mathematically tractable models are presented to characterize scattering and reflection properties of reconfigurable intelligent surfaces (RISs). We take co…
Learning Efficient Representations for Enhanced Object Detection on Large-scene SAR Images
Siyan Li, Yue Xiao, Yuhang Zhang +2
It is a challenging problem to detect and recognize targets on complex large-scene Synthetic Aperture Radar (SAR) images. Recently developed deep learning algorithms can automatica…