1.7k citations · 3.6k across the 22 of their papers we have counts for
22 papers
OpenRIS: Democratizing reconfigurable intelligent surfaces for real-world wireless enhancements
Weicong Chen, Junjie Ai, Lin Bai +7
Wireless enhancement is critical for next-generation mobile communication systems to realize seamless connectivity, yet traditional network expansion strategies are becoming econom…
Intelligent Adaptive Metasurface in Complex Wireless Environments
Han Qing Yang, Jun Yan Dai, Hui Dong Li +10
The programmable metasurface is regarded as one of the most promising transformative technologies for next-generation wireless system applications. Due to the lack of effective per…
Rank Optimization for MIMO Channel with RIS: Simulation and Measurement
Shengguo Meng, Wankai Tang, Weicong Chen +5
Reconfigurable intelligent surface (RIS) is a promising technology that can reshape the electromagnetic environment in wireless networks, offering various possibilities for enhanci…
Multi-Scenario Broadband Channel Measurement and Modeling for Sub-6 GHz RIS-Assisted Wireless Communication Systems
Jian Sang, Mingyong Zhou, Jifeng Lan +8
Reconfigurable intelligent surface (RIS)-empowered communication, has been considered widely as one of the revolutionary technologies for next generation networks. However, due to…
Quantized Phase Alignment by Discrete Phase Shifts for Reconfigurable Intelligent Surface-Assisted Communication Systems
Jian Sang, Jifeng Lan, Mingyong Zhou +5
Reconfigurable intelligent surface (RIS) has aroused a surge of interest in recent years. In this paper, we investigate the joint phase alignment and phase quantization on discrete…
Static Power Consumption Modeling and Measurement of Reconfigurable Intelligent Surfaces
Jinghe Wang, Wankai Tang, Shi Jin +2
Reconfigurable intelligent surfaces (RISs) are anticipated to transform wireless communication in a way that is both economical and energy efficient. Revealing the practical power…
Reconfigurable Intelligent Surface: Power Consumption Modeling and Practical Measurement Validation
Jinghe Wang, Wankai Tang, Jing Cheng Liang +6
The reconfigurable intelligent surface (RIS) has received a lot of interest because of its capacity to reconfigure the wireless communication environment in a cost- and energy-effi…
Smart Radio Environments
Gabriele Gradoni, Marco Di Renzo, Ana Diaz-Rubio +27
This Roadmap takes the reader on a journey through the research in electromagnetic wave propagation control via reconfigurable intelligent surfaces. Meta-surface modelling and desi…
Modeling and Measurements for Multi-path Mitigation with Reconfigurable Intelligent Surfaces
Ruya Zhou, Xiangyu Chen, Wankai Tang +5
A reconfigurable intelligent surface (RIS) is capable of manipulating electromagnetic waves with its flexibly configurable unit cells, thus is an appealing technology to resist fas…
Design and Implementation of MIMO Transmission Based on Dual-Polarized Reconfigurable Intelligent Surface
Xiangyu Chen, Jun Chen Ke, Wankai Tang +6
Multiple-input multiple-output (MIMO) signaling is one of the key technologies of current mobile communication systems. However, the complex and expensive radio frequency (RF) chai…
Wireless Communication with Extremely Large-Scale Intelligent Reflecting Surface
Chao Feng, Haiquan Lu, Yong Zeng +2
Intelligent reflecting surface (IRS) is a promising technology for wireless communications, thanks to its potential capability to engineer the radio environment. However, in practi…
On Channel Reciprocity in Reconfigurable Intelligent Surface Assisted Wireless Network
Wankai Tang, Xiangyu Chen, Ming Zheng Chen +6
Channel reciprocity greatly facilitates downlink precoding in time-division duplexing (TDD) multiple-input multiple-output (MIMO) communications without the need for channel state…
Path Loss Modeling and Measurements for Reconfigurable Intelligent Surfaces in the Millimeter-Wave Frequency Band
Wankai Tang, Xiangyu Chen, Ming Zheng Chen +6
Reconfigurable intelligent surfaces (RISs) provide an interface between the electromagnetic world of wireless propagation environments and the digital world of information science.…
Interplay between RIS and AI in Wireless Communications: Fundamentals, Architectures, Applications, and Open Research Problems
Jinghe Wang, Wankai Tang, Yu Han +5
Future wireless communication networks are expected to fulfill the unprecedented performance requirements to support our highly digitized and globally data-driven society. Various…
Arbitrary manipulations of dual harmonics and their wave behaviors based on space-time-coding digital metasurface
Jun Yan Dai, Jin Yang, Wankai Tang +5
Space-time modulated metasurfaces have attracted significant attention due to the additional degree of freedom in manipulating the electromagnetic (EM) waves in both space and time…
Angle-Dependent Phase Shifter Model for Reconfigurable Intelligent Surfaces: Does the Angle-Reciprocity Hold?
Weicong Chen, Lin Bai, Wankai Tang +3
The existing phase shifter models adopted for reconfigurable intelligent surfaces (RISs) have ignored the electromagnetic (EM) waves propagation behavior, thus cannot reveal practi…
MIMO Transmission through Reconfigurable Intelligent Surface: System Design, Analysis, and Implementation
Wankai Tang, Jun Yan Dai, Ming Zheng Chen +6
Reconfigurable intelligent surface (RIS) is a new paradigm that has great potential to achieve cost-effective, energy-efficient information modulation for wireless transmission, by…
Wireless Communications with Reconfigurable Intelligent Surface: Path Loss Modeling and Experimental Measurement
Wankai Tang, Ming Zheng Chen, Xiangyu Chen +7
Reconfigurable intelligent surfaces (RISs) comprised of tunable unit cells have recently drawn significant attention due to their superior capability in manipulating electromagneti…
Wireless Communications with Programmable Metasurface: New Paradigms, Opportunities, and Challenges on Transceiver Design
Wankai Tang, Ming Zheng Chen, Jun Yan Dai +5
Many emerging technologies, such as ultra-massive multiple-input multiple-output (UM-MIMO), terahertz (THz) communications are under active discussion as promising technologies to…
Programmable Metasurface-based RF Chain-free 8PSK Wireless Transmitter
Wankai Tang, Jun Yan Dai, Mingzheng Chen +5
In this letter, a wireless transmitter using the new architecture of programmable metasurface is presented. The proposed transmitter does not require any filter, nor wideband mixer…
Wireless Communications with Programmable Metasurface: Transceiver Design and Experimental Results
Wankai Tang, Xiang Li, Jun Yan Dai +4
Metasurfaces have drawn significant attentions due to their superior capability in tailoring electromagnetic waves with a wide frequency range, from microwave to visible light. Rec…
Controlling spectral energies of all harmonics in programmable way using time-domain digital coding metasurface
Jie Zhao, Xi Yang, Jun Yan Dai +8
Modern wireless communication is one of the most important information technologies, but its system architecture has been unchanged for many years. Here, we propose a much simpler…