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This paper studies the secrecy communication in an orthogonal frequency division multiplexing (OFDM) system, where a source sends confidential information to a destination in the presence of a potential eavesdropper. We employ wireless…

Information Theory · Computer Science 2017-10-16 Guangchi Zhang , Jie Xu , Qingqing Wu , Miao Cui , Xueyi Li , Fan Lin

We consider that a transmitter covertly communicates with multiple receivers under the help of a friendly jammer. The messages intended for different receivers are transmitted in mutually orthogonal frequency bands. An adversary observes…

Information Theory · Computer Science 2021-03-03 Ke-Wen Huang , Hao Deng , Hui-Ming Wang

In this paper, we propose a maneuverablejamming-aided secure communication and sensing (SCS) scheme for an air-to-ground integrated sensing and communication (A2G-ISAC) system, where a dual-functional source UAV and a maneuverable jamming…

Signal Processing · Electrical Eng. & Systems 2026-02-05 Libiao Lou , Yuan Liu , Fotis Foukalas , Hongjiang Lei , Gaofeng Pan , Theodoros A. Tsiftsis , Hongwu Liu

In this correspondence, we propose an unmanned aerial vehicle (UAV)-enabled integrated sensing and communication (ISAC) system, where a full-duplex UAV equipped with uniform planar array (UPA) is adopted as a base station for the multiuser…

Signal Processing · Electrical Eng. & Systems 2024-04-11 Chaedam Son , Seongah Jeong

In this work, we study an unmanned aerial vehicle (UAV)-enabled secure integrated sensing and communication (ISAC) system, where a UAV serves as an aerial base station (BS) to simultaneously perform communication with a user and detect a…

Information Theory · Computer Science 2025-05-28 Jianping Yao , Zeyu Yang , Zai Yang , Jie Xu , Tony Q. S. Quek

Unmanned aerial vehicle (UAV) has the advantages of large coverage and flexibility, which could be applied in disaster management to provide wireless services to the rescuers and victims. When UAVs forms an aerial mesh network,…

Robotics · Computer Science 2023-11-28 Zhiqing Wei , Jialin Zhu , Zijun Guo , Fan Ning

In this paper, we introduce two new achievable schemes for the fading multiple access wiretap channel (MAC-WT). In the model that we consider, we assume that perfect knowledge of the state of all channels is available at all the nodes in a…

Information Theory · Computer Science 2010-10-29 Raef Bassily , Sennur Ulukus

The existing research on physical layer security commonly assumes the number of eavesdropper antennas to be known. Although this assumption allows one to easily compute the achievable secrecy rate, it can hardly be realized in practice. In…

Information Theory · Computer Science 2016-11-17 Biao He , Xiangyun Zhou , Thushara D. Abhayapala

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 correspondence studies the secrecy communication of the single-input single-output multi-eavesdropper (SISOME) channel with multiple single-antenna jammers, where the jammers and eavesdroppers are distributed according to the…

Information Theory · Computer Science 2016-11-17 Chao Wang , Hui-Ming Wang

This paper analyzes the secrecy performance of a reconfigurable intelligent surface (RIS) assisted wireless communication system with a friendly jammer in the presence of an eavesdropper. The friendly jammer enhances the secrecy by…

Information Theory · Computer Science 2022-08-03 Burhan Wafai , Chinmoy Kundu , Ankit Dubey , Mark F. Flanagan

This paper proposes an integrated sensing, navigation, and communication (ISNC) framework for safeguarding unmanned aerial vehicle (UAV)-enabled wireless networks against a mobile eavesdropping UAV (E-UAV). To cope with the mobility of the…

Information Theory · Computer Science 2023-05-23 Zhiqiang Wei , Fan Liu , Chang Liu , Zai Yang , Derrick Wing Kwan Ng , Robert Schober

This paper investigates an average secrecy rate (ASR) maximization problem for an unmanned aerial vehicle (UAV) enabled wireless communication system, wherein a UAV is employed to deliver confidential information to a ground destination in…

Information Theory · Computer Science 2021-02-23 Milad Tatar Mamaghani , Yi Hong

This paper investigates the secrecy energy efficiency (SEE) maximization problem for unmanned aerial vehicle enabled mobile relaying system, where a high-mobility UAV is exploited to assist delivering the confidential information from a…

Information Theory · Computer Science 2018-07-13 Lin Xiao , Yu Xu , Dingcheng Yang , Yong Zeng

We consider the problem of secure communications over the two-way wiretap channel under a strong secrecy criterion. We improve existing results by developing an achievable region based on strategies that exploit both the interference at the…

Information Theory · Computer Science 2015-03-17 Alexandre J. Pierrot , Matthieu R. Bloch

Low-altitude wireless networks (LAWNs) have emerged as a viable solution for maritime communications. In these maritime LAWNs, unmanned aerial vehicles (UAVs) serve as practical low-altitude platforms for wireless communications due to…

Cryptography and Security · Computer Science 2025-11-11 Jiawei Huang , Aimin Wang , Geng Sun , Jiahui Li , Jiacheng Wang , Weijie Yuan , Dusit Niyato , Xianbin Wang

Cellular systems are vulnerable to jamming attacks, especially smart jammers that choose their jamming policies such as the jamming channel frequencies and power based on the ongoing communication policies and network states. In this…

Signal Processing · Electrical Eng. & Systems 2019-04-24 Xiaozhen Lu , Liang Xiao , Canhuang Dai , Huaiyu Dai

This work considers covert communications in the context of unmanned aerial vehicle (UAV) networks, aiming to hide a UAV for transmitting critical information out of a scenario that is monitored and where communication is not allowed.…

Information Theory · Computer Science 2019-09-04 Xiaobo Zhou , Shihao Yan , Jinsong Hu , Jiande Sun , Jun Li , Feng Shu

Unmanned aerial vehicle (UAV)-enabled integrated sensing and communication (ISAC) has attracted growing research interests in the context of sixth-generation (6G) wireless networks, in which UAVs will be exploited as aerial wireless…

Information Theory · Computer Science 2023-05-22 Kaitao Meng , Qingqing Wu , Jie Xu , Wen Chen , Zhiyong Feng , Robert Schober , A. Lee Swindlehurst

This paper considers wireless-powered cooperative jamming (CJ) to secure communication between a transmitter (Tx) and an information receiver (IR), in the presence of an energy receiver (ER) which is termed as a potential eavesdropper. The…

Information Theory · Computer Science 2017-02-21 Mengyu Liu , Yuan Liu