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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

This paper investigates the fundamental performance limits of the two-user interference channel in the presence of an external eavesdropper. In this setting, we construct an inner bound, to the secrecy capacity region, based on the idea of…

信息论 · 计算机科学 2015-03-13 O. Ozan Koyluoglu , Hesham El Gamal

This paper investigates the use of an unmanned aerial vehicle (UAV) to assist covert communication between a low-Earth orbit (LEO) satellite and a ground user under the surveillance of a passive warden. The UAV simultaneously serves its own…

信号处理 · 电气工程与系统科学 2025-11-11 Hung D. Nguyen , Jeongseok Ha

In this letter, we investigate the security of a single-antenna rechargeable source node in the presence of a multi-antenna rechargeable cooperative jammer and a potential single-antenna eavesdropper. The batteries at the legitimate…

网络与互联网体系结构 · 计算机科学 2016-12-20 Ahmed El Shafie , Dusit Niyato , Naofal Al-Dhahir

This article studies the efficiency of secrecy data offloading for an unmanned aerial vehicle (UAV)-assisted nonorthogonal multiple access (NOMA)-integrated mobile-edge computing (MEC) incorporating wireless power transfer (WPT) within an…

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…

信息论 · 计算机科学 2010-10-29 Raef Bassily , Sennur Ulukus

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…

信息论 · 计算机科学 2023-05-23 Zhiqiang Wei , Fan Liu , Chang Liu , Zai Yang , Derrick Wing Kwan Ng , Robert Schober

The deployment of unmanned aerial vehicles (UAVs) is proliferating as they are effective, flexible and cost-efficient devices for a variety of applications ranging from natural disaster recovery to delivery of goods. We investigate a…

信号处理 · 电气工程与系统科学 2019-09-30 Ali Rahmati , Seyyedali Hosseinalipour , Yavuz Yapici , Xiaofan He , Ismail Guvenc , Huaiyu Dai , Arupjyoti Bhuyan

We consider the problem of secure communications in a MIMO setting in the presence of an adversarial jammer equipped with $n_j$ transmit antennas and an eavesdropper equipped with $n_e$ receive antennas. A multiantenna transmitter, equipped…

信息论 · 计算机科学 2014-11-06 Theodoros Tsiligkaridis

Social awareness and social ties are becoming increasingly popular with emerging mobile and handheld devices. Social trust degree describing the strength of the social ties has drawn lots of research interests in many fields in wireless…

信息论 · 计算机科学 2018-03-26 H. -M. Wang , Y. Xu , K. -W. Huang , Z. Han , T. A. Tsiftsis

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…

信号处理 · 电气工程与系统科学 2024-04-11 Chaedam Son , Seongah Jeong

Low Earth orbit (LEO) satellites can be used to assist maritime wireless communications for wide-area data transmission. However, the extensive coverage of LEO satellites, combined with the openness of channels, can cause the communication…

密码学与安全 · 计算机科学 2025-11-11 Jiawei Huang , Aimin Wang , Geng Sun , Jiahui Li , Jiacheng Wang , Dusit Niyato , Victor C. M. Leung

A network of unmanned aerial vehicles (UAVs) provides distributed coverage, reconfigurability, and maneuverability in performing complex cooperative tasks. However, it relies on wireless communications that can be susceptible to cyber…

系统与控制 · 电气工程与系统科学 2023-10-27 Rayan Bahrami , Hamidreza Jafarnejadsani

A wireless communication network is considered, consisting of a source (Alice), a destination (Bob) and an eavesdropper (Eve), each equipped with a single antenna. The communication is assisted by multiple helpers, each equipped with two…

信息论 · 计算机科学 2012-03-01 Shuangyu Luo , Jiangyuan Li , Athina Petropulu

Wireless systems are of paramount importance for providing ubiquitous data transmission for smart cities. However, due to the broadcasting and openness of wireless channels, such systems face potential security challenges. UAV-assisted…

密码学与安全 · 计算机科学 2024-03-15 Chan Gao , Linying Tian , Dong Zheng

In this paper, we propose a securely precoded OFDM (SP-OFDM) system for efficient and reliable transmission under disguised jamming, where the jammer intentionally misleads the receiver by mimicking the characteristics of the authorized…

信号处理 · 电气工程与系统科学 2019-03-25 Yuan Liang , Jian Ren , Tongtong Li

This paper considers secure energy-efficient routing in the presence of multiple passive eavesdroppers. Previous work in this area has considered secure routing assuming probabilistic or exact knowledge of the location and…

网络与互联网体系结构 · 计算机科学 2017-03-16 Azadeh Sheikholeslami , Majid Ghaderi , Hossein Pishro-Nik , Dennis Goeckel

This paper studies the use of multi-antenna harvest-and-jam (HJ) helpers in a multi-antenna amplify-and-forward (AF) relay wiretap channel assuming that the direct link between the source and destination is broken. Our objective is to…

信息论 · 计算机科学 2016-01-20 Hong Xing , Kai-Kit Wong , Zheng Chu , Arumugam Nallanathan

To improve national security, government agencies have long been committed to enforcing powerful surveillance measures on suspicious individuals or communications. In this paper, we consider a wireless legitimate surveillance system, where…

信息论 · 计算机科学 2017-05-01 Caijun Zhong , Xin Jiang , Fengzhong Qu , Zhaoyang Zhang

We consider the Gaussian wiretap channel with M helpers, where no eavesdropper channel state information (CSI) is available at the legitimate entities. The exact secure d.o.f. of the Gaussian wiretap channel with M helpers with perfect CSI…

信息论 · 计算机科学 2013-02-27 Jianwei Xie , Sennur Ulukus