9 papers
Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks
Ye Tian, Jiaji Ren, Tuo Wu +5
High-precision direction-of-arrival (DOA) estimation, as a key sensing capability for 6G-enabled applications such as autonomous driving and extended reality, is increasingly depen…
Beyond : Can Arbitrary EMVS Arrays Achieve Unambiguous NLOS Localization?
Hua Chen, Zhenhao Yu, Tuo Wu +5
Conventional radar array design mandates interelement spacing not exceeding half a wavelength () to avoid spatial ambiguity, fundamentally limiting array aperture and angular…
An Fluid Antenna Array-Enabled DOA Estimation Method: End-Fire Effect Suppression
Jiaji Ren, Ye Tian, Baiyang Liu +5
Direction of Arrival (DOA) estimation serves as a critical sensing technology poised to play a vital role in future intelligent and ubiquitous communication systems. Despite the de…
The Future is Fluid: Revolutionizing DOA Estimation with Sparse Fluid Antennas
He Xu, Tuo Wu, Ye Tian +8
This paper investigates a design framework for sparse fluid antenna systems (FAS) enabling high-performance direction-of-arrival (DOA) estimation, particularly in challenging milli…
Fluid Antenna Enabled Direction-of-Arrival Estimation Under Time-Constrained Mobility
He Xu, Tuo Wu, Ye Tian +8
Fluid antenna (FA) technology has emerged as a promising approach in wireless communications due to its capability of providing increased degrees of freedom (DoFs) and exceptional…
Target Localization with Coprime Multistatic MIMO Radar via Coupled Canonical Polyadic Decomposition Based on Joint Eigenvalue Decomposition
Guo-Zhao Liao, Xiao-Feng Gong, Wei Liu +1
This paper investigates target localization using a multistatic multiple-input multiple-output (MIMO) radar system with two distinct coprime array configurations: coprime L-shaped…
A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems
Ye Tian, Jiaji Ren, Tuo Wu +7
Terahertz (THz) communication combined with ultra-massive multiple-input multiple-output (UM-MIMO) technology is promising for 6G wireless systems, where fast and precise direction…
From Partial Calibration to Full Potential: A Two-Stage Sparse DOA Estimation for Incoherently-Distributed Sources with Gain-Phase Uncertainty
He Xu, Tuo Wu, Wei Liu +5
Direction-of-arrival (DOA) estimation for incoherently distributed (ID) sources is essential in multipath wireless communication scenarios, yet it remains challenging due to the co…
Target Localization with a Coprime Multistatic MIMO Radar via Coupled Canonical Polyadic Decomposition Based on Joint EVD
Guo-Zhao Liao, Xiao-Feng Gong, Wei Liu +1
This paper addresses target localization using a multistatic multiple-input multiple-output (MIMO) radar system with coprime L-shaped receive arrays (CLsA). A target localization m…