7 citations · 21 across the 23 of their papers we have counts for
23 papers
Confidence-based Visual Dispersal for Few-shot Unsupervised Domain Adaptation
Yizhe Xiong, Hui Chen, Zijia Lin +2
Unsupervised domain adaptation aims to transfer knowledge from a fully-labeled source domain to an unlabeled target domain. However, in real-world scenarios, providing abundant lab…
CAIT: Triple-Win Compression towards High Accuracy, Fast Inference, and Favorable Transferability For ViTs
Ao Wang, Hui Chen, Zijia Lin +3
Vision Transformers (ViTs) have emerged as state-of-the-art models for various vision tasks recently. However, their heavy computation costs remain daunting for resource-limited de…
6G Positioning and Sensing Through the Lens of Sustainability, Inclusiveness, and Trustworthiness
Henk Wymeersch, Hui Chen, Hao Guo +8
6G promises a paradigm shift by integrating positioning and sensing, enhancing not only the communication performance but also enabling location- and context-aware services. Histor…
Zero Access Points 3D Cooperative Positioning via RIS and Sidelink Communications
Mustafa Ammous, Hui Chen, Henk Wymeersch +1
Reconfigurable intelligent surfaces (RISs) are expected to be a main component of future 6G networks, due to their capability to create a controllable wireless environment, and ach…
JrCUP: Joint RIS Calibration and User Positioning for 6G Wireless Systems
Pinjun Zheng, Hui Chen, Tarig Ballal +3
Reconfigurable intelligent surface (RIS)-assisted localization has attracted extensive attention as it can enable and enhance localization services in extreme scenarios. However, m…
Experimental Validation of Single BS 5G mmWave Positioning and Mapping for Intelligent Transport
Yu Ge, Hedieh Khosravi, Fan Jiang +10
Positioning with 5G signals generally requires connection to several base stations (BSs), which makes positioning more demanding in terms of infrastructure than communications. To…
Multi-RIS-Enabled 3D Sidelink Positioning
Hui Chen, Pinjun Zheng, Musa Furkan Keskin +2
Positioning is expected to be a core function in intelligent transportation systems (ITSs) to support communication and location-based services, such as autonomous driving, traffic…
RISs and Sidelink Communications in Smart Cities: The Key to Seamless Localization and Sensing
Hui Chen, Hyowon Kim, Mustafa Ammous +4
A smart city involves, among other elements, intelligent transportation, crowd monitoring, and digital twins, each of which requires information exchange via wireless communication…
Modeling and Analysis of OFDM-based 5G/6G Localization under Hardware Impairments
Hui Chen, Musa Furkan Keskin, Sina Rezaei Aghdam +6
Localization is envisioned as a key enabler to satisfy the requirements of communication and context-aware services in the fifth/sixth generation (5G/6G) communication systems. Use…
RIS-Enabled and Access-Point-Free Simultaneous Radio Localization and Mapping
Hyowon Kim, Hui Chen, Musa Furkan Keskin +5
In the upcoming sixth generation (6G) of wireless communication systems, reconfigurable intelligent surfaces~(RISs) are regarded as one of the promising technological enablers, whi…
Joint RIS Calibration and Multi-User Positioning
Yi Lu, Hui Chen, Jukka Talvitie +2
Reconfigurable intelligent surfaces (RISs) are expected to be a key component enabling the mobile network evolution towards a flexible and intelligent 6G wireless platform. In most…
RIS-Aided Monostatic Sensing and Object Detection with Single and Double Bounce Multipath
Hyowon Kim, Alessio Fascista, Hui Chen +4
We propose a framework for monostatic sensing by a user equipment (UE), aided by a reconfigurable intelligent surface (RIS) in environments with single- and double-bounce signal pr…
Dehazed Image Quality Evaluation: From Partial Discrepancy to Blind Perception
Wei Zhou, Ruizeng Zhang, Leida Li +2
Image dehazing aims to restore spatial details from hazy images. There have emerged a number of image dehazing algorithms, designed to increase the visibility of those hazy images.…
Positioning and Sensing in 6G: Gaps, Challenges, and Opportunities
Ali Behravan, Vijaya Yajnanarayana, Musa Furkan Keskin +8
Among the key differentiators of 6G compared to 5G will be the increased emphasis on radio based positioning and sensing. These will be utilized not only for conventional location-…
Misspecified Cramér-Rao Bound of RIS-aided Localization under Geometry Mismatch
Pinjun Zheng, Hui Chen, Tarig Ballal +2
In 5G/6G wireless systems, reconfigurable intelligent surfaces (RIS) can play a role as a passive anchor to enable and enhance localization in various scenarios. However, most exis…
Joint User Localization and Location Calibration of A Hybrid Reconfigurable Intelligent Surface
Reza Ghazalian, Hui Chen, George C. Alexandropoulos +3
The recent research in the emerging technology of reconfigurable intelligent surfaces (RISs) has identified its high potential for localization and sensing. However, to accurately…
Localization Coverage Analysis of THz Communication Systems with a 3D Array
Pinjun Zheng, Tarig Ballal, Hui Chen +2
This paper considers the problem of estimating the position and orientation of a user equipped with a three-dimensional (3D) array receiving downlink far-field THz signals from mul…
Doppler Exploitation in Bistatic mmWave Radio SLAM
Yu Ge, Ossi Kaltiokallio, Hui Chen +5
Networks in 5G and beyond utilize millimeter wave (mmWave) radio signals, large bandwidths, and large antenna arrays, which bring opportunities in jointly localizing the user equip…
Bi-Static Sensing for Near-Field RIS Localization
Reza Ghazalian, Kamran Keykhosravi, Hui Chen +2
We address the localization of a reconfigurable intelligent surface (RIS) for a single-input single-output multi-carrier system using bi-static sensing between a fixed transmitter…
Doppler-Enabled Single-Antenna Localization and Mapping Without Synchronization
Hui Chen, Fan Jiang, Yu Ge +2
Radio localization is a key enabler for joint communication and sensing in the fifth/sixth generation (5G/6G) communication systems. With the help of multipath components (MPCs), l…
Channel Model Mismatch Analysis for XL-MIMO Systems from a Localization Perspective
Hui Chen, Ahmed Elzanaty, Reza Ghazalian +3
Radio localization is applied in high-frequency (e.g., mmWave and THz) systems to support communication and to provide location-based services without extra infrastructure. {For so…
6G Radio Requirements to Support Integrated Communication, Localization, and Sensing
Henk Wymeersch, Aarno Pärssinen, Traian E. Abrudan +10
6G will be characterized by extreme use cases, not only for communication, but also for localization, and sensing. The use cases can be directly mapped to requirements in terms of…
MCRB-based Performance Analysis of 6G Localization under Hardware Impairments
Hui Chen, Sina Rezaei Aghdam, Musa Furkan Keskin +6
Location information is expected to be the key to meeting the needs of communication and context-aware services in 6G systems. User localization is achieved based on delay and/or a…