682 citations · 1.6k across the 19 of their papers we have counts for
20 papers
Multiport Network Modeling and Optimization for Reconfigurable Pinching-Antenna Systems
Zhaolin Wang, Jiaqi Xu, Chongjun Ouyang +2
A reconfigurable pinching-antenna system (PASS) is presented, endowing pinching antennas (PAs) with both amplitude- and phase-controllable radiation beyond conventional implementat…
CAPA: Continuous-Aperture Arrays for Revolutionizing 6G Wireless Communications
Yuanwei Liu, Chongjun Ouyang, Zhaolin Wang +3
In this paper, a novel continuous-aperture array (CAPA)-based wireless communication architecture is proposed, which relies on an electrically large aperture with a continuous curr…
Simultaneously Transmitting and Reflecting Surfaces for Ubiquitous Next Generation Multiple Access in 6G and Beyond
Xidong Mu, Jiaqi Xu, Zhaolin Wang +1
The ultimate goal of next generation multiple access (NGMA) is to support massive terminals and facilitate multiple functionalities over the limited radio resources of wireless net…
Near-Field Communications: A Comprehensive Survey
Yuanwei Liu, Chongjun Ouyang, Zhaolin Wang +3
Multiple-antenna technologies are evolving towards larger aperture sizes, extremely high frequencies, and innovative antenna types. This evolution is fostering the emergence of nea…
Reconfigurable Intelligent Surface-Aided Near-field Communications for 6G: Opportunities and Challenges
Xidong Mu, Jiaqi Xu, Yuanwei Liu +1
Reconfigurable intelligent surface (RIS)-aided near-field communications is investigated. First, the necessity of investigating RIS-aided near-field communications and the advantag…
Near-Field Communications: A Tutorial Review
Yuanwei Liu, Zhaolin Wang, Jiaqi Xu +3
Extremely large-scale antenna arrays, tremendously high frequencies, and new types of antennas are three clear trends in multi-antenna technology for supporting the sixth-generatio…
Simultaneously Transmitting And Reflecting (STAR) RIS for 6G: Fundamentals, Recent Advances, and Future Directions
Yuanwei Liu, Jiaqi Xu, Zhaolin Wang +3
Simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs) have been attracting significant attention in both academia and industry for their advant…
Performance Analysis for Near-Field MIMO: Discrete and Continuous Aperture Antennas
Ziyi Xie, Yuanwei Liu, Jiaqi Xu +2
Performance analysis is carried out in a near-field multiple-input multiple-output (MIMO) system for both discrete and continuous aperture antennas. The effective degrees of freedo…
Near-Field Communications: What Will Be Different?
Yuanwei Liu, Jiaqi Xu, Zhaolin Wang +2
The design dilemma of "What will be different between near-field communications (NFC) and far-field communications (FFC)?" is addressed from four perspectives. 1) From the channel…
Active Simultaneously Transmitting and Reflecting (STAR)-RISs: Modelling and Analysis
Jiaqi Xu, Jiakuo Zuo, Joey Tianyi Zhou +1
A hardware model for active simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs) is proposed consisting of reflection-type amplifiers. The amp…
Simultaneously Transmitting and Reflecting Surface (STARS) for Terahertz Communications
Zhaolin Wang, Xidong Mu, Jiaqi Xu +1
A simultaneously transmitting and reflecting surface (STARS) aided terahertz (THz) communication system is proposed. A novel power consumption model is proposed that depends on the…
Exploiting STAR-RISs in Near-Field Communications
Jiaqi Xu, Xidong Mu, Yuanwei Liu
The reconfigurable intelligent surface (RIS) is a promising technology to provide smart radio environment. In contrast to the well-studied patch-array-based RISs, this work focuses…
Simultaneously Transmitting and Reflecting (STAR)-RISs: Are they Applicable to Dual-Sided Incidence?
Jiaqi Xu, Xidong Mu, Joey Tianyi Zhou +1
A hardware model and a signal model are proposed for dual-sided simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs), where the signal simulta…
STAR-RISs: A Correlated T&R Phase-Shift Model and Practical Phase-Shift Configuration Strategies
Jiaqi Xu, Yuanwei Liu, Xidong Mu +2
A correlated transmission and reflection (T&R) phase-shift model is proposed for passive lossless simultaneously transmitting and reflecting reconfigurable intelligent surfaces (ST…
Simultaneously Transmitting and Reflecting (STAR) Intelligent Omni-Surfaces, Their Modeling and Implementation
Jiaqi Xu, Yuanwei Liu, Xidong Mu +4
With the rapid development of advanced electromagnetic manipulation technologies, researchers and engineers are starting to study smart surfaces that can achieve enhanced coverages…
STAR: Simultaneous Transmission And Reflection for 360° Coverage by Intelligent Surfaces
Yuanwei Liu, Xidong Mu, Jiaqi Xu +4
A novel simultaneously transmitting and reflecting (STAR) system design relying on reconfigurable intelligent surfaces (RISs) is conceived. First, an existing prototype is reviewed…
STAR-RISs: Simultaneous Transmitting and Reflecting Reconfigurable Intelligent Surfaces
Jiaqi Xu, Yuanwei Liu, Xidong Mu +1
In this letter, simultaneous transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs) are studied. Compared with the conventional reflecting-only RISs, the cover…
Reconfigurable Intelligent Surface-assisted Networks: Phase Alignment Categories
Jiaqi Xu, Yuanwei Liu
The reconfigurable intelligent surface (RIS) is one of the promising technology contributing to the next generation smart radio environment. The application scenarios include massi…
A Novel Physics-based Channel Model for Reconfigurable Intelligent Surface-assisted Multi-user Communication Systems
Jiaqi Xu, Yuanwei Liu
The reconfigurable intelligent surface (RIS) is one of the promising technologies contributing to the next generation smart radio environment. A novel physics-based RIS channel mod…
Reconfigurable Intelligent Surfaces: Principles and Opportunities
Yuanwei Liu, Xiao Liu, Xidong Mu +4
Reconfigurable intelligent surfaces (RISs), also known as intelligent reflecting surfaces (IRSs), or large intelligent surfaces (LISs), have received significant attention for thei…