6 papers
On-Site Beam Calibration for RIS-Aided Positioning Systems
Mengting Li, Hui Chen, Sigurd S. Petersen +5
High precision positioning is a key enabler for next-generation communication applications such as smart transportation and augmented reality. Reconfigurable intelligent surface (R…
Mismatch Analysis and Cooperative Calibration of Array Beam Patterns for ISAC Systems
Hui Chen, Mengting Li, Alireza Pourafzal +6
Integrated sensing and communication (ISAC) is a key technology for enabling a wide range of applications in future wireless systems. However, the sensing performance is often degr…
RIS Beam Calibration for ISAC Systems: Modeling and Performance Analysis
Mengting Li, Hui Chen, Sigurd Sandor Petersen +5
High-accuracy localization is a key enabler for integrated sensing and communication (ISAC), playing an essential role in various applications such as autonomous driving. Antenna a…
Pilot-Based End-to-End Radio Positioning and Mapping for ISAC: Beyond Point-Based Landmarks
Yu Ge, Musa Furkan Keskin, Hui Chen +5
Integrated sensing and communication enables simultaneous communication and sensing tasks, including precise radio positioning and mapping, essential for future 6G networks. Curren…
Joint Near-Field Sensing and Visibility Region Detection with Extremely Large Aperture Arrays
Huiping Huang, Alireza Pourafzal, Hui Chen +6
In this paper, we consider near-field localization and sensing with an extremely large aperture array under partial blockage of array antennas, where spherical wavefront and spatia…
RIS-Aided Positioning Under Adverse Conditions: Interference from Unauthorized RIS
Mengting Li, Hui Chen, Alireza Pourafzal +1
Positioning technology, which aims to determine the geometric information of a device in a global coordinate, is a key component in integrated sensing and communication systems. In…