32 citations · 32 across the 3 of their papers we have counts for
3 papers
cs.OH2024★ 32 cited
LoS Sensing-based Channel Estimation in UAV-Assisted OFDM Systems
Chaojin Qing, Zhiying Liu, Wenquan Hu +3
In unmanned aerial vehicle (UAV)-assisted orthogonal frequency division multiplexing (OFDM) systems, the potential advantage of the line-of-sight (LoS) path, characterized by its h…
eess.SP2022
Superimposed Pilot-based Channel Estimation for RIS-Assisted IoT Systems Using Lightweight Networks
Chaojin Qing, Li Wang, Lei Dong +2
Conventional channel estimation (CE) for Internet of Things (IoT) systems encounters challenges such as low spectral efficiency, high energy consumption, and blocked propagation pa…
eess.SP2022
Lightweight 1-D CNN-based Timing Synchronization for OFDM Systems with CIR Uncertainty
Chaojin Qing, Shuhai Tang, Xi Cai +1
In this letter, a lightweight one-dimensional convolutional neural network (1-D CNN)-based timing synchronization (TS) method is proposed to reduce the computational complexity and…