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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…

Information Theory · Computer Science 2019-03-19 Xiaofang Sun , Chao Shen , Derrick Wing Kwan Ng , Zhangdui Zhong

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 vehicles (UAVs) have gained popularity due to their flexible mobility, on-demand deployment, and the ability to establish high probability line-of-sight wireless communication. As a result, UAVs have been extensively used as…

Systems and Control · Electrical Eng. & Systems 2023-07-06 Yunhao Quan , Nan Cheng , Xiucheng Wang , Jinglong Shen , Longfei Ma , Zhisheng Yin

In this paper, we study the trajectory and resource allocation design for downlink energy-efficient secure unmanned aerial vehicle (UAV) communication systems, where an information UAV assisted by a multi-antenna jammer UAV serves multiple…

Information Theory · Computer Science 2020-03-17 Yuanxin Cai , Zhiqiang Wei , Ruide Li , Derrick Wing Kwan Ng , Jinhong Yuan

In this paper, we propose a new resource allocation framework for unmanned aerial vehicle (UAV) assisted multicast wireless networks in which the network users according to their request are divided into several multicast groups. We adopt…

Systems and Control · Electrical Eng. & Systems 2022-02-15 Shima Salarhosseini , Mohammad Reza Javan , Ali Nazari

UAVs are capable of improving the performance of next generation wireless systems. Specifically, UAVs can be exploited as aerial base-stations (UAV-BS) for supporting legitimate ground users in remote uncovered areas or in environments…

Information Theory · Computer Science 2022-09-27 Hamed Bastami , Hamid Behroozi , Majid Moradikia , Ahmed Abdelhadi , Derrick Wing Kwan Ngand , Lajos Hanzo

This paper consider a new secure communication scene where a full-duplex transmitter (Alan) need to transmit confidential information to a half-duplex receiver (Bob), with a silent eavesdropper (Eve) that tries to eavesdrop the confidential…

Networking and Internet Architecture · Computer Science 2017-10-20 Xinyue Hu , Caihong Kai , Shengli Zhang , Zhongyi Guo , Jun Gao

In this paper, we consider a two-way wiretap Multi-Input Multi-Output Multi-antenna Eve (MIMOME) channel, where both nodes (Alice and Bob) transmit and receive in an in-band full-duplex (IBFD) manner. For this system with keyless security,…

Information Theory · Computer Science 2024-03-12 Navneet Garg , Haifeng Luo , Tharmalingam Ratnarajah

The mobile relaying technique is a critical enhancing technology in wireless communications due to a higher chance of supporting the remote user from the base station (BS) with better quality of service. This paper investigates…

Information Theory · Computer Science 2021-07-27 S. Ahmed , Mostafa Z. Chowdhury , S. R. Sabuj , M. I. Alam , Y. M. Jang

In a directional modulation (DM) network, the issues of security and privacy have taken on an increasingly important role. Since the power allocation of confidential message and artificial noise will make a constructive effect on the system…

Information Theory · Computer Science 2019-07-17 Linlin Sun , Jiayu Li , Yu Zhang , Yuntian Wang , Linqing Gui , Fanyuan Li , Haochen Li , Zhihong Zhuang , Feng Shu

We address physical layer security in distributed antenna (DA) systems, where eavesdroppers (Eves) can intercept the information transmitted for the intended receiver (IR). To realize a user-centric, power-efficient and physical layer…

Signal Processing · Electrical Eng. & Systems 2018-12-13 Zhongxiang Wei , Christos Masouros

This letter considers the secure communication in a reconfigurable intelligent surface (RIS) aided full duplex (FD) system. An FD base station (BS) serves an uplink (UL) user and a downlink (DL) user simultaneously over the same…

Signal Processing · Electrical Eng. & Systems 2022-09-27 Pengxin Guan , Yiru Wang , Yuping Zhao

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…

Information Theory · Computer Science 2020-12-25 Yihan Cang , Ming Chen , Zhaohui Yang , Mingzhe Chen , Chongwen Huang

A novel framework is proposed for the trajectory design of multiple unmanned aerial vehicles (UAVs) based on the prediction of users' mobility information. The problem of joint trajectory design and power control is formulated for…

Signal Processing · Electrical Eng. & Systems 2019-06-05 Xiao Liu , Yuanwei Liu , Yue Chen , Lajos Hanzo

This paper discusses the problem of securing the transmissions of multiple ground users against eavesdropping attacks. We propose and optimize the deployment of a single unmanned aerial vehicle (UAV), which serves as an aerial relay between…

Signal Processing · Electrical Eng. & Systems 2021-11-02 Aly Sabri Abdalla , Vuk Marojevic

This paper investigates a novel unmanned aerial vehicle (UAV) secure communication system with integrated sensing and communications. We consider wireless security enhancement for a multiple-antenna UAV transmitting ISAC waveforms to…

Signal Processing · Electrical Eng. & Systems 2024-09-24 Yue Xiu , Wanting Lyu , Phee Lep Yeoh , Yi Ai , Yonghui Li , Ning Wei

Covert transmission is investigated for a cooperative deception strategy, where a cooperative jammer (Jammer) tries to attract a multi-antenna adversary (Willie) and degrade the adversary's reception ability for the signal from a…

Signal Processing · Electrical Eng. & Systems 2022-09-23 Jiangbo Si , Zizhen Liu , Zan Li , Hang Hu , Lei Guan , Chao Wang , Naofal Al-Dhahir

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

Unmanned aerial vehicles (UAVs) play an essential role in future wireless communication networks due to their high mobility, low cost, and on-demand deployment. In air-to-ground links, UAVs are widely used to enhance the performance of…

Information Theory · Computer Science 2024-06-11 Hongjiang Lei , Dongyang Meng , Haoxiang Ran , Ki-Hong Park , Gaofeng Pan , 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