15 citations · 30 across the 25 of their papers we have counts for
10 papers · 1 filter
WiCAL: Accurate Wi-Fi-Based 3D Localization Enabled by Collaborative Antenna Arrays
Fuhai Wang, Zhe Li, Rujing Xiong +2
Accurate 3D localization is essential for realizing advanced sensing functionalities in next-generation Wi-Fi communication systems. This study investigates the potential of multis…
Metasurface-Enabled Superheterodyne Transmitter for Arbitrary-Order Modulation with Spatially Isotropic Symbol Distribution
Xuehui Dong, Miyu Feng, Chen Shao +5
Electromagnetically programmable information metasurfaces, as dynamically controllable 2D metamaterials, hold significant promise as low-profile hardware enabling passive wave cont…
Arbitrary Waveform Generated Metasurface: A New Paradigm for Direct Modulation and Beamforming Decoupling
Xuehui Dong, Bokai Lai, Rujing Xiong +4
Information Metasurface, also known as reconfigurable intelligent surface (RIS) has gained significant attention owing to its impressive abilities in electromagnetic (EM) wave mani…
RISAR: RIS-assisted Human Activity Recognition with Commercial Wi-Fi Devices
Junshuo Liu, Yunlong Huang, Wei Yang +5
Human activity recognition (HAR) holds significant importance in smart homes, security, and healthcare. Existing systems face limitations because of the insufficient spatial divers…
Design and Prototyping of Transmissive RIS-Aided Wireless Communication
Jianan Zhang, Rujing Xiong, Junshuo Liu +2
Reconfigurable Intelligent Surfaces (RISs) exhibit promising enhancements in coverage and data rates for wireless communication systems, particularly in the context of 5G and beyon…
TRTAR: Transmissive RIS-assisted Through-the-wall Human Activity Recognition
Junshuo Liu, Yunlong Huang, Jianan Zhang +2
Device-free human activity recognition plays a pivotal role in wireless sensing. However, current systems often fail to accommodate signal transmission through walls or necessitate…
Wireless Communications in Cavity: A Reconfigurable Boundary Modulation based Approach
Xuehui Dong, Xiang Ren, Bokai Lai +3
This paper explores the potential wireless communication applications of Reconfigurable Intelligent Surfaces (RIS) in reverberant wave propagation environments. Unlike in free spac…
A Wi-Fi Signal-Based Human Activity Recognition Using High-Dimensional Factor Models
Junshuo Liu, Fuhai Wang, Zhe Li +3
Passive sensing techniques based on Wi-Fi signals have emerged as a promising technology in advanced wireless communication systems due to their widespread application and cost-eff…
RIS-aided Real-time Beam Tracking for a Mobile User via Bayesian Optimization
Junshuo Liu, Rujing Xiong, Jialong Lu +2
The conventional beam management procedure mandates that the user equipment (UE) periodically measure the received signal reference power (RSRP) and transmit these measurements to…
Fair Beam Allocations through Reconfigurable Intelligent Surfaces
Rujing Xiong, Ke Yin, Tiebin Mi +3
A fair beam allocation framework through reconfigurable intelligent surfaces (RISs) is proposed, incorporating the Max-min criterion. This framework focuses on designing explicit b…