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Over-the-air computation (AirComp) seamlessly integrates communication and computation by exploiting the waveform superposition property of multiple-access channels. Different from the existing works that focus on transceiver design of…

信号处理 · 电气工程与系统科学 2021-06-02 Min Fu , Yong Zhou , Yuanming Shi , Wei Chen , Rui Zhang

This letter investigates an uplink power control problem for unmanned aerial vehicles (UAVs) assisted wireless communications. We jointly optimize the UAV's flying altitude, antenna beamwidth, UAV's location and ground terminals' allocated…

Unmanned aerial vehicles (UAVs) have attracted a lot of research attention because of their high mobility and low cost in serving as temporary aerial base stations (BSs) and providing high data rates for next-generation communication…

信息论 · 计算机科学 2022-02-03 Hongyang Du , Dusit Niyato , Yuan-ai Xie , Yanyu Cheng , Jiawen Kang , Dong In Kim

Unmanned aerial vehicle (UAV) swarm has emerged as a promising novel paradigm to achieve better coverage and higher capacity for future wireless network by exploiting the more favorable line-of-sight (LoS) propagation. To reap the potential…

信号处理 · 电气工程与系统科学 2020-08-20 Lingyun Zhou , Xihan Chen , Mingyi Hong , Shi Jin , Qingjiang Shi

This letter aims to maximize the average throughput via the joint design of the transmit power and trajectory for unmanned aerial vehicle (UAV)-enabled network. The conventional way to tackle this problem is based on the alternating…

信号处理 · 电气工程与系统科学 2020-03-11 Hongying Tang , Qingqing Wu , Jing Xu , Wen Chen , Baoqing~Li

Autonomous tracking of suspicious unmanned aerial vehicles (UAVs) by legitimate monitoring UAVs (or monitors) can be crucial to public safety and security. It is non-trivial to optimize the trajectory of a monitor while conceiving its…

信号处理 · 电气工程与系统科学 2020-12-23 Shuyan Hu , Wei Ni , Xin Wang , Abbas Jamalipour , Dean Ta

This paper proposes a novel cooperative secure unmanned aerial vehicle (UAV) aided transmission protocol, where a source (Alice) sends confidential information to a destination (Bob) via an energy-constrained UAV-mounted amplify-and-forward…

信息论 · 计算机科学 2019-10-24 Milad Tatar Mamaghani , Yi Hong

This paper considers an unmanned-aerial-vehicle-enabled (UAV-enabled) wireless network where a relay UAV is used for two-way communications between a ground base station (BS) and a set of distant user equipment (UE). The UAV adopts the…

信息论 · 计算机科学 2019-04-18 Lei Li , Tsung-Hui Chang , Shu Cai

Over-the-air computation (AirComp) provides a promising way to support ultrafast aggregation of distributed data. However, its performance cannot be guaranteed in long-distance transmission due to the distortion induced by the channel…

信号处理 · 电气工程与系统科学 2021-01-26 Min Fu , Yong Zhou , Yuanming Shi , Ting Wang , Wei Chen

In this paper, we investigate joint resource allocation and trajectory design for multi-user multi-target unmanned aerial vehicle (UAV)-enabled integrated sensing and communication (ISAC). To improve sensing accuracy, the UAV is forced to…

信号处理 · 电气工程与系统科学 2023-10-25 Ata Khalili , Atefeh Rezaei , Dongfang Xu , Robert Schober

The paper considers physical layer security (PLS) of an untrusted unmanned aerial vehicle (UAV) network, where a multitude of UAVs communicate in full-duplex (FD) mode. A source-based jamming (SBJ) scheme is exploited for secure…

信号处理 · 电气工程与系统科学 2024-07-17 Theshani Nuradha , Kasun T. Hemachandra , Tharaka Samarasinghe , Saman Atapattu

In this paper, the optimization of deploying unmanned aerial vehicles (UAVs) over a reconfigurable intelligent surfaces (RISs)-assisted visible light communication (VLC) system is studied. In the considered model, UAVs are required to…

信息论 · 计算机科学 2020-12-25 Yihan Cang , Ming Chen , Zhaohui Yang , Mingzhe Chen , Chongwen Huang

This paper considers the secrecy transmission in a large-scale unmanned aerial vehicle (UAV)-enabled wireless network, in which a set of UAVs in the sky transmit confidential information to their respective legitimate receivers on the…

信息论 · 计算机科学 2019-08-13 Jianping Yao , Jie Xu

This paper proposes a generalised propulsion energy consumption model (PECM) for rotary-wing ummanned aerial vehicles (UAVs) under the consideration of the practical thrust-to-weight ratio (TWR) with respect to the velocity, acceleration…

信息论 · 计算机科学 2022-02-18 Xinhong Dai , Bin Duo , Xiaojun Yuan , Wanbin Tang

This letter aims to present a novel approach for unmanned aerial vehicles (UAV)' path planning with respect to certain quality of service requirements. More specifically, we study the max-min fairness problem in an air-to-ground…

计算工程、金融与科学 · 计算机科学 2019-12-05 Amine Bejaoui , Ki-Hong Park , Mohamed Slim Alouini

This paper investigates the secrecy energy efficiency (SEE) maximization problem for unmanned aerial vehicle enabled mobile relaying system, where a high-mobility UAV is exploited to assist delivering the confidential information from a…

信息论 · 计算机科学 2018-07-13 Lin Xiao , Yu Xu , Dingcheng Yang , Yong Zeng

Unmanned aerial vehicles (UAVs) have attracted plenty of attention due to their high flexibility and enhanced communication ability. However, the limited coverage and energy of UAVs make it difficult to provide timely wireless service for…

系统与控制 · 电气工程与系统科学 2024-12-18 Rui Wang , Kaitao Meng , Deshi Li

Unmanned aerial vehicles (UAV) have emerged as a practical solution that provides on-demand services to users in areas where the terrestrial network is non-existent or temporarily unavailable, e.g., due to natural disasters or network…

信号处理 · 电气工程与系统科学 2023-05-09 Asad Mahmood , Thang X. Vu , Symeon Chatzinotas , Björn Ottersten

Aerial base stations (BSs) attached to unmanned aerial vehicles (UAVs) constitute a new paradigm for next-generation cellular communications. However, the flight range and communication capacity of aerial BSs are usually limited due to the…

信息论 · 计算机科学 2020-01-31 Lin Xiang , Lei Lei , Symeon Chatzinotas , Björn Ottersten , Robert Schober

In this paper, we study an unmanned aerial vehicle (UAV) communication system, where a ground node (GN) communicate with a UAV assisted by intelligent reflecting surface (IRS) in the presence of a jammer with imperfect location information.…

信息论 · 计算机科学 2022-01-25 Zhi Ji , Xinrong Guan , Jia Tu , Qingqing Wu , Wendong Yang