555 citations · 2.3k across the 97 of their papers we have counts for
15 papers · 1 filter
Secure UAV Communication with Cooperative Jamming and Trajectory Control
Canhui Zhong, Jianping Yao, Jie Xu
This paper presents a new cooperative jamming approach to secure the unmanned aerial vehicle (UAV) communication by leveraging jamming from other nearby UAVs to defend against the…
Optimal 1D Trajectory Design for UAV-Enabled Multiuser Wireless Power Transfer
Yulin Hu, Xiaopeng Yuan, Jie Xu +1
In this paper, we study an unmanned aerial vehicle (UAV)-enabled wireless power transfer (WPT) network, where a UAV flies at a constant altitude in the sky to provide wireless ener…
Placement Optimization for UAV-Enabled Wireless Networks with Multi-Hop Backhaul
Peiming Li, Jie Xu
Unmanned aerial vehicles (UAVs) have emerged as a promising solution to provide wireless data access for ground users in various applications (e.g., in emergence situations). This…
Wireless Powered User Cooperative Computation in Mobile Edge Computing Systems
Dixiao Wu, Feng Wang, Xiaowen Cao +1
This paper studies a wireless powered mobile edge computing (MEC) system, where a dedicated energy transmitter (ET) uses the radio-frequency (RF) signal enabled wireless power tran…
Joint Power and Time Allocation for NOMA-MEC Offloading
Zhiguo Ding, Jie Xu, Octavia A. Dobre +1
This paper considers non-orthogonal multiple access (NOMA) assisted mobile edge computing (MEC), where the power and time allocation is jointly optimized to reduce the energy consu…
UAV-Enabled Wireless Power Transfer with Directional Antenna: A Two-User Case
Yundi Wu, Jie Xu, Ling Qiu
This paper considers an unmanned aerial vehicle (UAV)-enabled wireless power transfer (WPT) system, in which a UAV equipped with a directional antenna is dispatched to deliver wire…
Exploiting Physical-Layer Security for Multiuser Multicarrier Computation Offloading
Jie Xu, Jianping Yao
This letter considers a mobile edge computing (MEC) system with one access point (AP) serving multiple users over a multicarrier channel, in the presence of a malicious eavesdroppe…
Joint Computation and Communication Cooperation for Energy-Efficient Mobile Edge Computing
Xiaowen Cao, Feng Wang, Jie Xu +2
This paper proposes a novel user cooperation approach in both computation and communication for mobile edge computing (MEC) systems to improve the energy efficiency for latency-con…
Energy Minimization for Wireless Communication with Rotary-Wing UAV
Yong Zeng, Jie Xu, Rui Zhang
This paper studies unmanned aerial vehicle (UAV) enabled wireless communication, where a rotarywing UAV is dispatched to send/collect data to/from multiple ground nodes (GNs). We a…
Mobile Edge Computing for Cellular-Connected UAV: Computation Offloading and Trajectory Optimization
Xiaowen Cao, Jie Xu, Rui Zhang
This paper studies a new mobile edge computing (MEC) setup where an unmanned aerial vehicle (UAV) is served by cellular ground base stations (GBSs) for computation offloading. The…
Throughput Maximization for Laser-Powered UAV Wireless Communication Systems
Jie Ouyang, Yueling Che, Jie Xu +1
Laser power has become a viable solution to provide convenient and sustainable energy supply to unmanned aerial vehicles (UAVs). In this paper, we study a laser-powered UAV wireles…
Cognitive UAV Communication via Joint Trajectory and Power Control
Yuwei Huang, Jie Xu, Ling Qiu +1
This paper investigates a new spectrum sharing scenario between unmanned aerial vehicle (UAV) and terrestrial wireless communication systems. We consider that a cognitive/secondary…
Joint Task Assignment and Wireless Resource Allocation for Cooperative Mobile-Edge Computing
Hong Xing, Liang Liu, Jie Xu +1
This paper studies a multi-user cooperative mobile-edge computing (MEC) system, in which a local mobile user can offload intensive computation tasks to multiple nearby edge devices…
Capacity Characterization of UAV-Enabled Two-User Broadcast Channel
Qingqing Wu, Jie Xu, Rui Zhang
Although prior works have exploited the UAV's mobility to enhance the wireless communication performance under different setups, the fundamental capacity limits of UAV-enabled/aide…
Throughput Maximization for UAV-Enabled Wireless Powered Communication Networks
Lifeng Xie, Jie Xu, Rui Zhang
This paper studies an unmanned aerial vehicle (UAV)-enabled wireless powered communication network (WPCN), in which a UAV is dispatched as a mobile access point (AP) to serve a set…