19 citations · 27 across the 31 of their papers we have counts for
8 papers · 1 filter
LEO Satellite and RIS: Two Keys to Seamless Indoor and Outdoor Localization
Pinjun Zheng, Xing Liu, Yuchen Zhang +3
The contemporary landscape of wireless technology underscores the critical role of precise localization services. Traditional global navigation satellite systems (GNSS)-based solut…
Mutual Coupling in RIS-Aided Communication: Model Training and Experimental Validation
Pinjun Zheng, Ruiqi Wang, Atif Shamim +1
Mutual coupling is increasingly important in reconfigurable intelligent surface (RIS)-aided communications, particularly when RIS elements are densely integrated in applications su…
Attitude Determination in Urban Canyons: A Synergy between GNSS and 5G Observations
Pinjun Zheng, Xing Liu, Tarig Ballal +1
This paper considers the attitude determination problem based on the global navigation satellite system (GNSS) and fifth-generation (5G) measurement fusion to address the shortcomi…
Beamforming Design and Performance Evaluation for RIS-aided Localization using LEO Satellite Signals
Lei Wang, Pinjun Zheng, Xing Liu +2
The growing availability of low-Earth orbit (LEO) satellites, coupled with the anticipated widespread deployment of reconfigurable intelligent surfaces (RISs), opens up promising p…
On the Impact of Mutual Coupling on RIS-Assisted Channel Estimation
Pinjun Zheng, Xiuxiu Ma, Tareq Y. Al-Naffouri
Amid the demand for densely integrated elements in techniques such as holographic reconfigurable intelligent surfaces (RISs), the mutual coupling effect has gained prominence. By p…
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…
5G-Aided RTK Positioning in GNSS-Deprived Environments
Pinjun Zheng, Xing Liu, Tarig Ballal +1
This paper considers the localization problem in a 5G-aided global navigation satellite system (GNSS) based on real-time kinematic (RTK) technique. Specifically, the user's positio…
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…