no code implementations • 27 Feb 2024 • Junshuo Liu, Yunlong Huang, Wei Yang, Zhe Li, Rujing Xiong, Tiebin Mi, Xin Shi, Robert C. Qiu
Human activity recognition (HAR) holds significant importance in smart homes, security, and healthcare.
no code implementations • 8 Feb 2024 • Jianan Zhang, Rujing Xiong, Junshuo Liu, Tiebin Mi, Robert Caiming Qiu
Reconfigurable Intelligent Surfaces (RISs) exhibit promising enhancements in coverage and data rates for wireless communication systems, particularly in the context of 5G and beyond.
no code implementations • 10 Jan 2024 • Junshuo Liu, Yunlong Huang, Jianan Zhang, Rujing Xiong, Robert Caiming Qiu
Device-free human activity recognition plays a pivotal role in wireless sensing.
no code implementations • 10 Nov 2023 • Junshuo Liu, Fuhai Wang, Zhe Li, Rujing Xiong, Tiebin Mi, Robert Caiming Qiu
As a consequence, the accuracy of human activity recognition based on Wi-Fi signals is compromised.
no code implementations • 29 Oct 2023 • Junshuo Liu, Rujing Xiong, Jialong Lu, Tiebin Mi, Robert C. Qiu
The conventional beam management procedure mandates that the user equipment (UE) periodically measure the received signal reference power (RSRP) and transmit these measurements to the base station (BS).
no code implementations • 27 Apr 2023 • Rujing Xiong, Jianan Zhang, Fuhai Wang, Zhengyu Wang, Xiang Ren, Junshuo Liu, Jialong Lu, Kai Wan, Tiebin Mi, Robert Caiming Qiu
The prototype undergoes rigorous empirical evaluation, encompassing multi-hop RIS signal amplification, image reconstruction, and real-world indoor signal coverage experiments.
no code implementations • 6 Mar 2023 • Rujing Xiong, Jianan Zhang, Xuehui Dong, Zhengyu Wang, Junshuo Liu, Wei Yang, Tiebin Mi, Wenbo Huang, Robert Caiming Qiu
The performance of multiple reconfigurable intelligent surfaces (RISs) receives limited attention in previous studies.