4.2k citations · 22.3k across the 267 of their papers we have counts for
18 papers · 2 filters
Overcoming Endurance Issue: UAV-Enabled Communications with Proactive Caching
Xiaoli Xu, Yong Zeng, Yong Liang Guan +1
Wireless communication enabled by unmanned aerial vehicles (UAVs) has emerged as an appealing technology for many application scenarios in future wireless systems. However, the lim…
Joint Altitude and Beamwidth Optimization for UAV-Enabled Multiuser Communications
Haiyun He, Shuowen Zhang, Yong Zeng +1
In this letter, we study multiuser communication systems enabled by an unmanned aerial vehicle (UAV) that is equipped with a directional antenna of adjustable beamwidth. We propose…
Cellular-Enabled UAV Communication: Trajectory Optimization Under Connectivity Constraint
Shuowen Zhang, Yong Zeng, Rui Zhang
In this paper, we study a cellular-enabled unmanned aerial vehicle (UAV) communication system consisting of one UAV and multiple ground base stations (GBSs). The UAV has a mission…
Blocking Probability and Spatial Throughput Characterization for Cellular-Enabled UAV Network with Directional Antenna
Jiangbin Lyu, Rui Zhang
The past few years have witnessed a tremendous increase on the use of unmanned aerial vehicles (UAVs) in civilian applications, which call for high-performance communication betwee…
Flexible Multi-Group Single-Carrier Modulation: Optimal Subcarrier Grouping and Rate Maximization
Yifei Yang, Shuowen Zhang, Joni Polili Lie +1
Orthogonal frequency division multiplexing (OFDM) and single-carrier frequency domain equalization (SC-FDE) are two commonly adopted modulation schemes for frequency-selective chan…
UAV-Enabled Wireless Power Transfer: Trajectory Design and Energy Optimization
Jie Xu, Yong Zeng, Rui Zhang
This paper studies a new unmanned aerial vehicle (UAV)-enabled wireless power transfer (WPT) system, where a UAV-mounted mobile energy transmitter (ET) is dispatched to deliver wir…
Energy Trade-off in Ground-to-UAV Communication via Trajectory Design
Dingcheng Yang, Qingqing Wu, Yong Zeng +1
Unmanned aerial vehicles (UAVs) have a great potential for improving the performance of wireless communication systems due to their wide coverage and high mobility. In this paper,…
Trajectory Optimization for Completion Time Minimization in UAV-Enabled Multicasting
Yong Zeng, Xiaoli Xu, Rui Zhang
This paper studies an unmanned aerial vehicle (UAV)-enabled multicasting system, where a UAV is dispatched to disseminate a common file to a number of geographically distributed gr…
Energy-Efficient Data Collection in UAV Enabled Wireless Sensor Network
Cheng Zhan, Yong Zeng, Rui Zhang
In wireless sensor networks (WSNs), utilizing the unmanned aerial vehicle (UAV) as a mobile data collector for the ground sensor nodes (SNs) is an energy-efficient technique to pro…
Exploiting Interference for Secrecy Wireless Information and Power Transfer
Yuan Liu, Jie Xu, Rui Zhang
Radio-frequency (RF) signals enabled wireless information and power transfer (WIPT) is a cost-effective technique to achieve two-way communications and at the same time provide ene…
Retrodirective Multi-User Wireless Power Transfer with Massive MIMO
Seunghyun Lee, Yong Zeng, Rui Zhang
This letter studies a radio-frequency (RF) multi-user wireless power transfer (WPT) system, where an energy transmitter (ET) with a large number of antennas delivers energy wireles…
UAV-Aided Offloading for Cellular Hotspot
Jiangbin Lyu, Yong Zeng, Rui Zhang
In conventional terrestrial cellular networks, mobile terminals (MTs) at the cell edge often pose a performance bottleneck due to their long distances from the serving ground base…
Joint Trajectory and Communication Design for Multi-UAV Enabled Wireless Networks
Qingqing Wu, Yong Zeng, Rui Zhang
Unmanned aerial vehicles (UAVs) have attracted significant interest recently in assisting wireless communication due to their high maneuverability, flexible deployment, and low cos…
Wireless Surveillance of Two-Hop Communications
Ganggang Ma, Jie Xu, Lingjie Duan +1
Wireless surveillance is becoming increasingly important to protect the public security by legitimately eavesdropping suspicious wireless communications. This paper studies the wir…
Modulation in the Air: Backscatter Communication over Ambient OFDM Carrier
Gang Yang, Ying-Chang Liang, Rui Zhang +1
Ambient backscatter communication (AmBC) enables radio-frequency (RF) powered backscatter devices (BDs) (e.g., sensors, tags) to modulate their information bits over ambient RF car…
Joint Computation and Communication Cooperation for Mobile Edge Computing
Xiaowen Cao, Feng Wang, Jie Xu +2
This paper proposes a novel joint computation and communication cooperation approach in mobile edge computing (MEC) systems, which enables user cooperation in both computation and…
Waveform Optimization for Radio-Frequency Wireless Power Transfer
Mohammad R. Vedady Moghadam, Yong Zeng, Rui Zhang
In this paper, we study the waveform design problem for a single-input single-output (SISO) radio-frequency (RF) wireless power transfer (WPT) system in frequency-selective channel…
Magnetic MIMO Signal Processing and Optimization for Wireless Power Transfer
Gang Yang, Mohammad R. Vedady Moghadam, Rui Zhang
In magnetic resonant coupling (MRC) enabled multiple-input multiple-output (MIMO) wireless power transfer (WPT) systems, multiple transmitters (TXs) each with one single coil are u…