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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…

Signal Processing · Electrical Eng. & Systems 2024-03-26 Lingling Liu , Aimin Wang , Jing Wu , Jiao Lu , Jiahui Li , Geng Sun

In this paper, we consider the sum power minimization problem via jointly optimizing user association, power control, computation capacity allocation and location planning in a mobile edge computing (MEC) network with multiple unmanned…

Information Theory · Computer Science 2019-02-14 Zhaohui Yang , Cunhua Pan , Kezhi Wang , Mohammad Shikh-Bahaei

This letter considers an unmanned aerial vehicle (UAV)-enabled relay communication system for delivering latency-critical messages with ultra-high reliability, where the relay is operating under amplifier-and-forward (AF) mode. We aim to…

Signal Processing · Electrical Eng. & Systems 2020-07-21 Hong Ren , Cunhua Pan , Kezhi Wang , Wei Xu , Maged Elkashlan , Arumugam Nallanathan

A Unmanned aerial vehicle (UAV)-assisted mobile edge computing (MEC) scheme with simultaneous wireless information and power transfer (SWIPT) is proposed in this paper. Unlike existing MEC-WPT schemes that disregard the downlink period for…

Signal Processing · Electrical Eng. & Systems 2024-03-07 Xiaoyan Hu , Pengle Wen , Han Xiao , Wenjie Wang , Kai-Kit Wong

This work, for the first time, considers confidential data collection in the context of unmanned aerial vehicle (UAV) wireless networks, where the scheduled ground sensor node (SN) intends to transmit confidential information to the UAV…

Signal Processing · Electrical Eng. & Systems 2020-01-06 Xiaobo Zhou , Shihao Yan , Min Li , Jun Li , Feng Shu

Unmanned aerial vehicle (UAV) networks have grown rapidly in recent years and become attractive for various emergence communications scenarios. In this paper, we consider a UAV acting as a relay node to assist wireless transmissions from a…

Information Theory · Computer Science 2019-05-03 Hui Tu , Jia Zhu , Yulong Zou

An unmanned aerial vehicle (UAV)-aided secure communication system is conceived and investigated, where the UAV transmits legitimate information to a ground user in the presence of an eavesdropper (Eve). To guarantee the security, the UAV…

Signal Processing · Electrical Eng. & Systems 2020-08-25 Kaidi Xu , Ming-Min Zhao , Yunlong Cai , Lajos Hanzo

Mobile edge computing (MEC) provides computational services at the edge of networks by offloading tasks from user equipments (UEs). This letter employs an unmanned aerial vehicle (UAV) as the edge computing server to execute offloaded tasks…

Information Theory · Computer Science 2019-10-25 Yuwen Qian , Feifei Wang , Jun Li , Long Shi , Kui Cai , Feng Shu

Secure downlink transmission in UAV-assisted reconfigurable intelligent surface (RIS)-enabled multiuser MISO systems is challenging due to imperfect channel state information (CSI), untrusted energy-harvesting receivers (UEHRs), and the…

Signal Processing · Electrical Eng. & Systems 2026-05-18 Hamid Reza Hashempour , Le-Nam Tran , Duy H. N. Nguyen , Hien Quoc Ngo

We consider unmanned aerial vehicle (UAV)-assisted wireless communication employing UAVs as relay nodes to increase the throughput between a pair of transmitter and receiver. We focus on developing effective methods to position the UAV(s)…

Networking and Internet Architecture · Computer Science 2020-07-21 Seyyedali Hosseinalipour , Ali Rahmati , Huaiyu Dai

This paper investigates a secure energy efficiency (SEE) optimization problem in a multiple-input single-output (MISO) underlay cognitive radio (CR) network. In particular, a multi-antenna secondary transmitter (SU-Tx) simultaneously sends…

Information Theory · Computer Science 2017-09-22 Miao Zhang , Kanapathippillai Cumanan , Alister Burr

This paper studies the optimal unmanned aerial vehicle (UAV) placement problem for wireless networking. The UAV operates as a flying wireless relay to provide coverage extension for a base station (BS) and deliver capacity boost to a user…

Information Theory · Computer Science 2019-11-01 Junting Chen , David Gesbert

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…

Information Theory · Computer Science 2022-02-18 Xinhong Dai , Bin Duo , Xiaojun Yuan , Wanbin Tang

For an unmanned aerial vehicle (UAV) enabled network we investigate the energy-efficiency (EE) of joint caching and cooperative communication (Fog-RAN). Since UAVs are battery- and cache-limited, placing the popular contents in the caches…

Information Theory · Computer Science 2019-08-21 Mohammad G. Khoshkholgh , Victor C. M. Leung

In this paper we investigate the secure energy efficiency (SEE) in a cooperative scenario where all nodes are equipped with multiple antennas. Moreover, we employ secrecy rate and power allocation at Alice and at the relay in order to…

Cryptography and Security · Computer Science 2017-08-02 Jamil Farhat , Glauber Brante , Richard Demo Souza

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…

Signal Processing · Electrical Eng. & Systems 2025-04-24 Bin Qiu , Wenchi Cheng , Hongxiang He , Wei Zhang

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

Information Theory · Computer Science 2018-01-10 Qingqing Wu , Yong Zeng , Rui Zhang

This paper considers the energy efficiency (EE) maximization of a simultaneous wireless information and power transfer (SWIPT)-assisted unmanned aerial vehicles (UAV) cooperative network operating at TeraHertz (THz) frequencies. The source…

Information Theory · Computer Science 2023-11-07 Jalal Jalali , Ata Khalili , Hina Tabassum , Rafael Berkvens , Jeroen Famaey , Walid Saad

This work proposes a provably convergent and low complexity optimization algorithm for the maximization of the secrecy energy efficiency in the uplink of a wireless network aided by a Reconfigurable Intelligent Surface (RIS), in the…

Signal Processing · Electrical Eng. & Systems 2024-06-12 Robert Kuku Fotock , Alessio Zappone , Marco Di Renzo

In this paper, we study unmanned aerial vehicle (UAV) assisted mobile edge computing (MEC) with the objective to optimize computation offloading with minimum UAV energy consumption. In the considered scenario, a UAV plays the role of an…

Networking and Internet Architecture · Computer Science 2020-07-31 Mushu Li , Nan Cheng , Jie Gao , Yinlu Wang , Lian Zhao , Xuemin , Shen