40 citations · 42 across the 7 of their papers we have counts for
9 papers
Near-Field Wideband Localization using TTD-Based Terahertz Extremely Large-Scale Arrays
Qianyu Yang, Haiyang Zhang, Francesco Guidi +4
The synergy between extremely large-scale antenna arrays and terahertz technology in sixth-generation networks establishes a near-field wideband transmission environment, enabling…
Ultra-Massive MIMO with Orthogonal Chirp Division Multiplexing for Near-Field Sensing and Communication Integration
Ziwei Wan, Zhen Gao, Fabien Heliot +6
This paper integrates the emerging ultra-massive multiple-input multiple-output (UM-MIMO) technique with orthogonal chirp division multiplexing (OCDM) waveform to tackle the challe…
Extremely Large-Scale Dynamic Metasurface Antennas for 6G Near-Field Networks: Opportunities and Challenges
Haiyang Zhang, Nir Shlezinger, Giulia Torcolacci +6
6G networks will need to support higher data rates, high-precision localization, and imaging capabilities. Near-field technologies, enabled by extremely large-scale (XL)-arrays, ar…
Hybrid RISs for Simultaneous Tunable Reflections and Sensing
George C. Alexandropoulos, Nir Shlezinger, Ioannis Gavras +1
The concept of smart wireless environments envisions dynamic programmable propagation of information-bearing signals through the deployment of Reconfigurable Intelligent Surfaces (…
Beam Focusing for Near-Field Multi-User Localization
Qianyu Yang, Anna Guerra, Francesco Guidi +5
Extremely large-scale antenna arrays are poised to play a pivotal role in sixth-generation (6G) networks. Utilizing such arrays often results in a near-field spherical wave transmi…
Holographic Intelligence Surface Assisted Integrated Sensing and Communication
Zhuoyang Liu, Yuchen Zhang, Haiyang Zhang +2
Traditional discrete-array-based systems fail to exploit interactions between closely spaced antennas, resulting in inadequate utilization of the aperture resource. In this paper,…
Holographic Imaging with XL-MIMO and RIS: Illumination and Reflection Design
Giulia Torcolacci, Anna Guerra, Haiyang Zhang +4
This paper addresses a near-field imaging problem utilizing extremely large-scale multiple-input multiple-output (XL-MIMO) antennas and reconfigurable intelligent surfaces (RISs) a…
Near-Field Wideband Secure Communications: An Analog Beamfocusing Approach
Yuchen Zhang, Haiyang Zhang, Sa Xiao +2
In the rapidly advancing landscape of 6G, characterized by ultra-high-speed wideband transmission in millimeter-wave and terahertz bands, our paper addresses the pivotal task of en…
Channel Estimation with Dynamic Metasurface Antennas via Model-Based Learning
Xiangyu Zhang, Haiyang Zhang, Luxi Yang +1
Dynamic Metasurface Antenna (DMA) is a cutting-edge antenna technology offering scalable and sustainable solutions for large antenna arrays. The effectiveness of DMAs stems from th…