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With the emergence of diverse mobile applications (such as augmented reality), the quality of experience of mobile users is greatly limited by their computation capacity and finite battery lifetime. Mobile edge computing (MEC) and wireless…

Signal Processing · Electrical Eng. & Systems 2018-02-13 Fuhui Zhou , Yongpeng Wu , Haijian Sun , Zheng Chu

In this paper, we consider an unmanned aerial vehicle (UAV) aided mobile relaying system under a buffer constraint. We propose a new relaying protocol employing mixed free-space optical/radio frequency (FSO/RF) communication, i.e., the…

Information Theory · Computer Science 2020-07-08 Ju-Hyung Lee , Ki-Hong Park , Young-Chai Ko , Mohamed-Slim Alouini

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 wireless energy to charge two energy receivers (ERs) on the…

Information Theory · Computer Science 2018-05-11 Yundi Wu , Jie Xu , Ling Qiu

This paper is concerned with the resource allocation in a multi-unmanned aerial vehicle (UAV)-aided network for providing enhanced mobile broadband (eMBB) services for user equipments. Different from most of the existing network resource…

Networking and Internet Architecture · Computer Science 2021-01-01 Xing Xi , Xianbin Cao , Peng Yang , Jingxuan Chen , Dapeng 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.…

Information Theory · Computer Science 2024-07-11 Qian Dan , Hongjiang Lei , Ki-Hong Park , Weijia Lei , Gaofeng Pan

This letter considers the unmanned aerial vehicle (UAV)-enabled relay system to deliver command information under ultra-reliable and low-latency communication (URLLC) requirements. We aim to jointly optimize the blocklength allocation and…

Signal Processing · Electrical Eng. & Systems 2019-01-17 Cunhua Pan , Hong Ren , Yansha Deng , Maged Elkashlan , Arumugam Nallanathan

In this paper, we investigate the resource allocation algorithm design for multicarrier solar-powered unmanned aerial vehicle (UAV) communication systems. In particular, the UAV is powered by solar energy enabling sustainable communication…

Information Theory · Computer Science 2018-08-02 Yan Sun , Dongfang Xu , Derrick Wing Kwan Ng , Linglong Dai , Robert Schober

In this paper, we study an unmanned aerial vehicle (UAV)-assisted mobile edge computing (MEC) architecture, in which a UAV roaming around the area may serve as a computing server to help user equipment (UEs) compute their tasks or act as a…

Signal Processing · Electrical Eng. & Systems 2019-07-18 Xiaoyan Hu , Kai-Kit Wong , Kun Yang , Zhongbin Zheng

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 of ground users periodically. The UAV employs the radio…

Information Theory · Computer Science 2018-10-10 Lifeng Xie , Jie Xu , Rui Zhang

In this paper, we investigate resource allocation design for unmanned aerial vehicle (UAV)-enabled communication systems, where a UAV is dispatched to provide communications to multiple user nodes. Our objective is to maximize the…

Information Theory · Computer Science 2018-09-06 Ruide Li , Zhiqiang Wei , Lei Yang , Derrick Wing Kwan Ng , Nan Yang , Jinhong Yuan , Jianping An

This paper investigates the robust and secure task transmission and computation scheme in multi-antenna unmanned aerial vehicle (UAV)-assisted mobile edge computing (MEC) networks, where the UAV is dual-function, i.e., aerial MEC and aerial…

Information Theory · Computer Science 2023-02-21 Weihao Mao , Ke Xiong , Yang Lu , Pingyi Fan , Zhiguo Ding

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…

Information Theory · Computer Science 2019-12-05 Meng Hua , Luxi Yang , Chunguo Li , Qingqing Wu , A. Lee Swindlehurst

Recent years have witnessed increasingly more uses of Unmanned Aerial Vehicle (UAV) swarms for rapidly providing wireless coverage to ground users. Each UAV is constrained in its energy storage and wireless coverage, and it consumes most…

Networking and Internet Architecture · Computer Science 2021-09-01 Xiao Zhang , Lingjie Duan

This paper studies a rechargeable unmanned aerial vehicle (UAV) assisted wireless network, where a UAV is dispatched to disseminate information to a group of ground terminals (GTs) and returns to a recharging station (RS) before the…

Networking and Internet Architecture · Computer Science 2021-04-29 Yuan Liao , Vasilis Friderikos

Unmanned aerial vehicle (UAV) communication has emerged as a prominent technology for emergency communications (e.g., natural disaster) in the Internet of Things (IoT) networks to enhance the ability of disaster prediction, damage…

Signal Processing · Electrical Eng. & Systems 2021-08-17 Dinh-Hieu Tran , Van-Dinh Nguyen , Sumit Gautam , Symeon Chatzinotas , Thang X. Vu , Bjorn Ottersten

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 aim to minimize the total UAV energy consumption, including…

Information Theory · Computer Science 2018-04-09 Yong Zeng , Jie Xu , Rui Zhang

Due to the fact that the locations of base stations (BSs) cannot be changed after they are installed, it is very difficult to communicate directly with remote user equipment (UE), which will directly affect the lifespan of the system.…

Signal Processing · Electrical Eng. & Systems 2024-03-26 Xueqi Zhang , Aimin Wang , Geng Sun , Lingling Liu , Jing Zhang

Unmanned aerial vehicle (UAV) has been widely adopted in wireless systems due to its flexibility, mobility, and agility. Nevertheless, a limited onboard battery greatly hinders UAV to prolong the serving time from communication tasks that…

Information Theory · Computer Science 2020-11-19 Hieu Tran-Dinh , Sumit Gautam , Symeon Chatzinotas , Bjorn Ottersten

Optimal deployment of unmanned aerial vehicles (UAVs) as communication relays is studied for fixed-rate variable-power systems. The considered setup is a set of ground transmitters (GTs) wishing to communicate with a set of ground receivers…

Information Theory · Computer Science 2018-11-29 Erdem Koyuncu

By fully exploiting the mobility of unmanned aerial vehicles (UAVs), UAV-based aerial base stations (BSs) can move closer to ground users to achieve better communication conditions. In this paper, we consider a scenario where an aerial BS…

Signal Processing · Electrical Eng. & Systems 2019-01-24 Jingcong Sun , Christos Masouros