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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 prolong the network lifetime. Specifically, since the UAV can…

信息论 · 计算机科学 2017-08-02 Cheng Zhan , Yong Zeng , Rui Zhang

Recently, unmanned aerial vehicle (UAV) has attracted much attention due to its flexible deployment and controllable mobility. As the general communication network cannot meet the emergency requirements, in this paper we study the multi-UAV…

信息论 · 计算机科学 2024-07-17 Yixin Zhang , Wenchi Cheng

Unmanned aerial vehicles (UAVs) are envisioned to provide diverse services from the air. The service quality may rely on the wireless performance which is affected by the UAV's position. In this paper, we focus on the UAV placement problem…

网络与互联网体系结构 · 计算机科学 2024-02-01 Chen-Feng Liu , Nirmal D. Wickramasinghe , Himal A. Suraweera , Mehdi Bennis , Merouane Debbah

Unmanned aerial vehicles (UAVs) have attracted significant interest recently in wireless communication due to their high maneuverability, flexible deployment, and low cost. This paper studies a UAV-enabled wireless network where the UAV is…

信息论 · 计算机科学 2017-04-10 Qingqing Wu , Yong Zeng , Rui Zhang

This paper investigates unmanned aerial vehicle (UAV)-aided backscatter communication (BackCom) networks, where the UAV is leveraged to help the backscatter device (BD) forward signals to the receiver. Based on the presence or absence of a…

信息论 · 计算机科学 2019-12-05 Meng Hua , Luxi Yang , Chunguo Li , Qingqing Wu , A. Lee Swindlehurst

Wireless communication enabled by unmanned aerial vehicles (UAVs) has emerged as an appealing technology for many application scenarios in future wireless systems. However, the limited endurance of UAVs greatly hinders the practical…

信息论 · 计算机科学 2018-10-03 Xiaoli Xu , Yong Zeng , Yong Liang Guan , Rui Zhang

In this paper we study the deployment of multiple unmanned aerial vehicles (UAVs) to form a temporal UAV network for the provisioning of emergent communications to affected people in a disaster zone, where each UAV is equipped with a…

分布式、并行与集群计算 · 计算机科学 2021-07-20 Wenzheng Xu , Yueying Sun , Rui Zou , Weifa Liang , Qiufen Xia , Feng Shan , Tian Wang , Xiaohua Jia , Zheng Li

Cognitive radio is a promising technology to improve spectral efficiency. However, the secure performance of a secondary network achieved by using physical layer security techniques is limited by its transmit power and channel fading. In…

信息论 · 计算机科学 2020-05-08 Yifan Zhou , Fuhui Zhou , Huilin Zhou , Derrick Wing Kwan Ng , Rose Qingyang Hu

Unmanned Aerial Vehicles (UAVs) have emerged as a key enabler technology for data collection from Internet of Things (IoT) devices. However, effective data collection is challenged by resource constraints and the need for real-time…

机器人学 · 计算机科学 2026-05-12 Assane Sankara , Daniel Bonilla Licea , Hajar El Hammouti

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

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 wireless communication system, where a laser transmitter sends…

信息论 · 计算机科学 2018-03-05 Jie Ouyang , Yueling Che , Jie Xu , Kaishun Wu

With the rapid advancement of the Internet of Things (IoT) and Artificial Intelligence (AI), intelligent information services are being increasingly integrated across various sectors, including healthcare, industry, and transportation.…

分布式、并行与集群计算 · 计算机科学 2024-11-19 Ziqi Rong , Qiushi Zheng , Zhishu Shen , Xiaolong Li , Tiehua Zhang , Zheng Lei , Jiong Jin

In this paper, we investigate an unmanned aerial vehicle (UAV)-enabled secure communication scenario that a cluster of UAVs performs a virtual non-uniform linear array (NULA) to communicate with a base station (BS) in the presence of…

信号处理 · 电气工程与系统科学 2025-04-24 Bin Qiu , Wenchi Cheng , Hongxiang He , Wei Zhang

In this paper, the problem of unmanned aerial vehicle (UAV) deployment, power allocation, and bandwidth allocation is investigated for a UAV-assisted wireless system operating at terahertz (THz) frequencies. In the studied model, one UAV…

信息论 · 计算机科学 2021-03-16 Luyao Xu , Ming Chen , Mingzhe Chen , Zhaohui Yang , Christina Chaccour , Walid Saad , Choong Seon Hong

The agile mobility of Unmanned Aerial Vehicles (UAVs) makes them ideal for low-altitude edge computing. This paper proposes a novel multi-tier UAV edge computing system where lightweight Low-Tier UAVs (L-UAVs) function as edge servers for…

网络与互联网体系结构 · 计算机科学 2026-02-05 Yufei Ye , Shijian Gao , Xinhu Zheng , Liuqing Yang

We consider the problem of distributed joint source-channel coding of correlated Gaussian sources over a Gaussian Multiple Access Channel (GMAC). There may be side information at the decoder and/or at the encoders. First we specialize a…

信息论 · 计算机科学 2009-05-15 R Rajesh , Vinod Sharma

Unmanned aerial vehicle (UAV)-enabled communication is a promising technology to extend coverage and enhance throughput for traditional terrestrial wireless communication systems. In this paper, we consider a UAV-enabled wireless sensor…

信息论 · 计算机科学 2020-02-25 Jingwei Zhang , Yong Zeng , Rui Zhang

In this paper, the problem of joint caching and resource allocation is investigated for a network of cache-enabled unmanned aerial vehicles (UAVs) that service wireless ground users over the LTE licensed and unlicensed (LTE-U) bands. The…

信息论 · 计算机科学 2018-01-30 Mingzhe Chen , Walid Saad , Changchuan Yin

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

In this paper, we consider a single-cell cellular network with a number of cellular users (CUs) and unmanned aerial vehicles (UAVs), in which multiple UAVs upload their collected data to the base station (BS). Two transmission modes are…

信号处理 · 电气工程与系统科学 2018-08-29 Shuhang Zhang , Hongliang Zhang , Boya Di , Lingyang Song