1 citations · 4 across the 10 of their papers we have counts for
10 papers
Neural Network-Assisted RIS Weight Optimization for Spatial Nulling in Distorted Reflector Antenna Systems
Xinrui Li, R. Michael Buehrer
Reconfigurable intelligent surfaces (RIS) have recently been proposed as an effective means for spatial interference suppression in large reflector antenna systems. Existing RIS we…
On the Limits of Coherent Time-Domain Cancellation of Radio Frequency Interference
Xinrui Li, R. Michael Buehrer
In many sensing (viz., radio astronomy) and radar applications, the received signal of interest (SOI) exhibits a significantly wider bandwidth or weaker power than the interference…
RIS-Aided Spatial Nulling: Algorithms, Analysis, and Nulling Limits
Xinrui Li, R. Michael Buehrer, Steven W. Ellingson
Reconfigurable Intelligent Surfaces (RIS) have recently gained attention as a means to dynamically shape the wireless propagation environment through programmable reflection contro…
Integrated Localization and Communication with Sparse MIMO: Will Virtual Array Technology also Benefit Wireless Communication?
Hongqi Min, Xinrui Li, Ruoguang Li +1
For the 6G wireless networks, achieving high-performance integrated localization and communication (ILAC) is critical to unlock the full potential of wireless networks. To simultan…
Movable Antenna for Wireless Communications:Prototyping and Experimental Results
Zhenjun Dong, Zhiwen Zhou, Zhiqiang Xiao +6
Movable antenna (MA), which can flexibly change the position of antenna in three-dimensional (3D) continuous space, is an emerging technology for achieving full spatial performance…
Sparse MIMO for ISAC: New Opportunities and Challenges
Xinrui Li, Hongqi Min, Yong Zeng +4
Multiple-input multiple-output (MIMO) has been a key technology of wireless communications for decades. A typical MIMO system employs antenna arrays with the inter-antenna spacing…
Multi-User Modular XL-MIMO Communications: Near-Field Beam Focusing Pattern and User Grouping
Xinrui Li, Zhenjun Dong, Yong Zeng +2
In this paper, we investigate multi-user modular extremely large-scale multiple-input multiple-output (XL-MIMO) communication systems, where modular extremely large-scale uniform l…
Near-Field Beam Focusing Pattern and Grating Lobe Characterization for Modular XL-Array
Xinrui Li, Zhenjun Dong, Yong Zeng +2
In this paper, we investigate the near-field modelling and analyze the beam focusing pattern for modular extremely large-scale array (XL-array) communications. As modular XL-array…
Modular Extremely Large-Scale Array Communication: Near-Field Modelling and Performance Analysis
Xinrui Li, Haiquan Lu, Yong Zeng +2
This paper investigates wireless communications based on a new antenna array architecture, termed modular extremely large-scale array (XL-array), where an extremely large number of…
Near-Field Modelling and Performance Analysis of Modular Extremely Large-Scale Array Communications
Xinrui Li, Haiquan Lu, Yong Zeng +2
This letter studies a new array architecture, termed as modular extremely large-scale array (XL-array), for which a large number of array elements are arranged in a modular manner.…