518 citations · 4.6k across the 139 of their papers we have counts for
11 papers · 1 filter
Energy-Efficient Cooperative Secure Transmission in Multi-UAV Enabled Wireless Networks
Meng Hua, Yi Wang, Qingqing Wu +3
This paper investigates a multiple unmanned aerial vehicles (UAVs) enabled cooperative secure transmission scheme in the presence of multiple potential eavesdroppers. Specifically,…
Throughput Maximization for UAV-aided Backscatter Communication Networks
Meng Hua, Luxi Yang, Chunguo Li +2
This paper investigates unmanned aerial vehicle (UAV)-aided backscatter communication (BackCom) networks, where the UAV is leveraged to help the backscatter device (BD) forward sig…
Intelligent Reflecting Surface Enhanced Wireless Network: Two-timescale Beamforming Optimization
Ming-Min Zhao, Qingqing Wu, Min-Jian Zhao +1
Intelligent reflecting surface (IRS) has drawn a lot of attention recently as a promising new solution to achieve high spectral and energy efficiency for future wireless networks.…
Joint Active and Passive Beamforming Optimization for Intelligent Reflecting Surface Assisted SWIPT under QoS Constraints
Qingqing Wu, Rui Zhang
Intelligent reflecting surface (IRS) is a new and revolutionizing technology for achieving spectrum and energy efficient wireless networks. By leveraging massive low-cost passive e…
Intelligent Reflecting Surface Assisted Secrecy Communication: Is Artificial Noise Helpful or Not?
Xinrong Guan, Qingqing Wu, Rui Zhang
In this letter, we investigate whether the use of artificial noise (AN) is helpful to enhance the secrecy rate of an intelligent reflecting surface (IRS) assisted wireless communic…
Weighted Sum Power Maximization for Intelligent Reflecting Surface Aided SWIPT
Qingqing Wu, Rui Zhang
The low efficiency of far-field wireless power transfer (WPT) limits the fundamental rate-energy (R-E) performance trade-off of the simultaneous wireless information and power tran…