activity
20202022
most citedBlockchain-Based Federated Learning in Mobile Edge Networks with Application in Internet of Vehicles

10 citations · 40 across the 10 of their papers we have counts for

collaborators

11 papers

cs.IT2022

Reinforcement Learning Based Robust Policy Design for Relay and Power Optimization in DF Relaying Networks

Yuanzhe Geng, Erwu Liu, Rui Wang +2

In this paper, we study the outage minimization problem in a decode-and-forward cooperative network with relay uncertainty. To reduce the outage probability and improve the quality…

cs.CR202110 cited

Blockchain-Based Federated Learning in Mobile Edge Networks with Application in Internet of Vehicles

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…

cs.IT20219 cited

Joint Location and Communication Study for Intelligent Reflecting Surface Aided Wireless Communication System

Rui Wang, Zhe Xing, Erwu Liu

Intelligent reflecting surface (IRS) is a novel burgeoning concept, which possesses advantages in enhancing wireless communication and user localization, while maintaining low hard…

cs.IT20213 cited

Passive Beamforming Design and Channel Estimation for IRS Communication System with Few-Bit ADCs

Jingnan Li, Rui Wang, Erwu Liu

Utilizing intelligent reflecting surface (IRS) was proven to be efficient in improving the energy efficiency for wireless networks. In this paper, we investigate the passive beamfo…

cs.IT2020

Asymptotic Achievability of the Cramér-Rao Lower Bound of Channel Estimation for Reconfigurable Intelligent Surface Aided Communication Systems

Yiming Liu, Erwu Liu, Rui Wang +2

To achieve the joint active and passive beamforming gains in the reconfigurable intelligent surface assisted millimeter wave system, the reflected cascade channel needs to be accur…

cs.IT2020

Deep Deterministic Policy Gradient for Relay Selection and Power Allocation in Cooperative Communication Network

Yuanzhe Geng, Erwu Liu, Rui Wang +4

Perfect channel state information (CSI) is usually required when considering relay selection and power allocation in cooperative communication. However, it is difficult to get an a…