no code implementations • 24 Apr 2024 • Hanfu Zhang, Yidan Mei, Erwu Liu, Rui Wang
This letter introduces a novel unmanned aerial vehicle (UAV)-intelligent reflecting surface (IRS) structure into near-field localization systems to enhance the design flexibility of IRS, thereby obtaining additional performance gains.
no code implementations • 19 Dec 2023 • Hanfu Zhang, Erwu Liu, Rui Wang, Zhe Xing, Yan Liu
By incorporating reconfigurable intelligent surface (RIS) into communication-assisted localization systems, the issue of signal blockage caused by obstacles can be addressed, and passive beamforming can be employed to enhance localization accuracy.
no code implementations • 1 Mar 2021 • Rui Wang, Heju Li, Erwu Liu
The rapid increase of the data scale in Internet of Vehicles (IoV) system paradigm, hews out new possibilities in boosting the service quality for the emerging applications through data sharing.
no code implementations • 11 Dec 2020 • Yuanzhe Geng, Erwu Liu, Rui Wang, Yiming Liu, Jie Wang, Gang Shen, Zhao Dong
Perfect channel state information (CSI) is usually required when considering relay selection and power allocation in cooperative communication.
Information Theory Systems and Control Systems and Control Information Theory
no code implementations • 10 Nov 2020 • Yuanzhe Geng, Erwu Liu, Rui Wang, Yiming Liu
Simulation results reveal that compared with traditional DRL method, the HRL training algorithm can reach convergence 30 training iterations earlier and reduce the outage probability by 5% in two-hop relay network with the same outage threshold.
Hierarchical Reinforcement Learning reinforcement-learning +1
no code implementations • 3 Nov 2020 • Yuanzhe Geng, Erwu Liu, Rui Wang, Yiming Liu
Route planning is important in transportation.