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In this paper, we study the time allocation optimization problem to maximize the sum throughput in a dual-hop heterogeneous visible light communication (VLC)/radio frequency (RF) communication system. Two scenarios are investigated in this…

The usage of Reconfigurable Intelligent Surfaces (RIS) in conjunction with Unmanned Ariel Vehicles (UAVs) is being investigated as a way to provide energy-efficient communication to ground users in dense urban areas. In this paper, we…

This paper centers around a multiple-input-multiple-output (MIMO) visible light communication (VLC) system, where an unmanned aerial vehicle (UAV) benefits from a light emitting diode (LED) array to serve photo-diode (PD)-equipped users for…

With low-altitude economies emerging as a pivotal sector, this study explores an integrated sensing, communication, and computation system over low-altitude wireless networks. A full-duplex autonomous aerial vehicle (AAV) operates as an…

信号处理 · 电气工程与系统科学 2025-07-22 Yiyang Chen , Wenchao Liu , Xuhui Zhang , Jinke Ren , Huijun Xing , Shuqiang Wang , Yanyan Shen , Kim-Fung Tsang

In this letter, we investigate an unmanned aerial vehicle (UAV) communication system, where an intelligent reflecting surface (IRS) is deployed to assist in the transmission from a ground node (GN) to the UAV in the presence of a jammer. We…

信号处理 · 电气工程与系统科学 2022-01-17 Zhi Ji , Wendong Yang , Xinrong Guan , Xiao Zhao , Guoxin Li , Qingqing Wu

Wireless relays can effectively extend the transmission range of information. However, if relay technology is utilized unlawfully, it can amplify potential harm. Effectively surveilling illegitimate relay links poses a challenging problem.…

信息论 · 计算机科学 2024-07-11 Qian Dan , Hongjiang Lei , Ki-Hong Park , Weijia Lei , Gaofeng Pan

Unmanned aerial vehicles (UAVs) are developing rapidly owing to flexible deployment and access services as air base stations. However, the channel errors of low-altitude communication links formed by mobile deployment of UAVs cannot be…

信息论 · 计算机科学 2020-05-06 Haijun Zhang , Jianmin Zhang , Keping Long

Future wireless networks are envisioned to support both sensing and artificial intelligence (AI) services. However, conventional integrated sensing and communication (ISAC) networks may not be suitable due to the ignorance of diverse…

网络与互联网体系结构 · 计算机科学 2024-09-04 Wenhao Zhuang , Xinyu He , Yuyi Mao , Juan Liu

This paper investigates the problem of resource allocation for joint communication and radar sensing system on rate-splitting multiple access (RSMA) based unmanned aerial vehicle (UAV) system. UAV simultaneously communicates with multiple…

信息论 · 计算机科学 2021-07-13 Yuwei Li , Wanli Ni , Hui Tian , Meihui Hua , Shaoshuai Fan

Next-generation networks need to meet ubiquitous and high data-rate demand. Therefore, this paper considers the throughput and trajectory optimization of terahertz (THz)-enabled unmanned aerial vehicles (UAVs) in the sixth-generation (6G)…

网络与互联网体系结构 · 计算机科学 2022-02-08 Sheikh Salman Hassan , Yu Min Park , Yan Kyaw Tun , Walid Saad , Zhu Han , Choong Seon Hong

This paper aims to enhance the physical layer security against potential internal eavesdroppings by exploiting the maneuverability of an unmanned aerial vehicle (UAV). We consider a scenario where two receivers with different security…

信息论 · 计算机科学 2019-03-19 Xiaofang Sun , Chao Shen , Derrick Wing Kwan Ng , Zhangdui Zhong

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/aided multiuser communication systems have not yet been…

信息论 · 计算机科学 2018-01-09 Qingqing Wu , Jie Xu , Rui Zhang

This work considers unmanned aerial vehicle (UAV) networks for collecting data covertly from ground users. The full-duplex UAV intends to gather critical information from a scheduled user (SU) through wireless communication and generate…

信号处理 · 电气工程与系统科学 2019-06-21 Xiaobo Zhou , Shihao Yan , Feng Shu , Riqing Chen , Jun Li

Unmanned aerial vehicle (UAV)-based integrated sensing and communication (ISAC) systems are poised to revolutionize next-generation wireless networks by enabling simultaneous sensing and communication (S\&C). This survey comprehensively…

Recently, free-space optical (FSO) communication systems have obtained a wide range of applications for communications between unmanned aerial vehicles (UAVs) because they offer several advantages with respect to the traditional RF…

信号处理 · 电气工程与系统科学 2021-06-30 Mohammad Taghi Dabiri , Seyed Mohammad Sajad Sadough , Himan Savojbolaghchi

In this paper, we consider a full duplex wireless powered communication network where multiple users with RF energy harvesting capabilities communicate to a hybrid energy and information access point. An optimization framework is proposed…

信息论 · 计算机科学 2019-10-30 Muhammad Shahid Iqbal , Yalcin Sadi , Sinem Coleri

In the finite blocklength scenario, which is suitable for practical applications, a method of maximizing the average effective secrecy rate (AESR) is proposed for a UAV-enabled secure communication by optimizing the UAV's trajectory and…

信号处理 · 电气工程与系统科学 2020-03-27 Yuntian Wang , Xiaobo Zhou , Zhihong Zhuang , Linlin Sun , Yuwen Qian , Jinhui Lu , Feng Shu

In this research, a unique approach to provide communication service for terrestrial receivers via using unmanned aerial vehicle-enabled visible light communication is investigated. Specifically, we take into account a unmanned aerial…

信号处理 · 电气工程与系统科学 2024-03-26 Lingling Liu , Aimin Wang , Jing Wu , Jiao Lu , Jiahui Li , Geng Sun

When considering unidirectional communication for unmanned aerial vehicles (UAVs) as flying Base Stations (BSs), either uplink or downlink, the system is limited through the co-channel interference that takes place over line-of-sight (LoS)…

信息论 · 计算机科学 2018-05-23 Wenqian Huang , Dong Min Kim , Wenrui Ding , Petar Popovski

This letter is concerned with power control for a ultra-reliable and low-latency communications (URLLC) enabled unmanned aerial vehicle (UAV) system incorporated with deep neural network (DNN) based channel estimation. Particularly, we…

信息论 · 计算机科学 2020-12-02 Peng Yang , Xing Xi , Tony Q. S. Quek , Xianbin Cao , Jingxuan Chen