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Due to the large bandwidth available, millimeter-Wave (mmWave) bands are considered a viable opportunity to significantly increase the data rate in cellular and wireless networks. Nevertheless, the need for beamforming and directional…

系统与控制 · 电气工程与系统科学 2022-05-23 Sara Khosravi , Hossein S. Ghadikolaeiy , Jens Zander , Marina Petrova

The joint design of beamforming vector and artificial noise covariance matrix is investigated for the multiple-input-single-output-multiple-eavesdropper simultaneous wireless information and power transferring \mbox{(MISOME-SWIPT)} systems.…

信息论 · 计算机科学 2018-09-12 Yanjie Dong , Md. Jahangir Hossain , Julian Cheng , Victor C. M. Leung

In this paper, we consider an active eavesdropping scenario in a cooperative system consisting of a source, a destination, and an active eavesdropper with multiple decode-and-forward relays. Considering an existing assumption in which an…

信号处理 · 电气工程与系统科学 2018-03-06 Sarbani Ghose , Chinmoy Kundu , Octavia A. Dobre

This paper is concerned with the general multiple access wiretap channel and the existence of codes that accomplish reliability and strong secrecy. Information leakage to the eavesdropper is assessed by the variational distance metric,…

信息论 · 计算机科学 2020-03-10 Manos Athanasakos , Nicholas Kalouptsidis

This paper considers unmanned aerial vehicle (UAV)-carried intelligent reflecting surface (IRS) for secure data collection in wireless sensor networks. An eavesdropper (Eve) lurks within the vicinity of the main receiver (Bob) while several…

信息论 · 计算机科学 2021-01-19 Christantus O. Nnamani , Muhammad R. A. Khandaker , Mathini Sellathurai

We consider a complex Gaussian wiretap channel with finite-resolution analog-to-digital converters (ADCs) at both the legitimate receiver and the eavesdropper. For this channel, we show that a positive secrecy rate is always achievable as…

信息论 · 计算机科学 2020-06-02 Seung-Hyun Nam , Si-Hyeon Lee

This article investigates physical layer security (PLS) in reconfigurable intelligent surface (RIS)-assisted multiple-input multiple-output multiple-antenna-eavesdropper (MIMOME) channels. Existing researches ignore the problem that secrecy…

信息论 · 计算机科学 2022-05-03 Yiliang Liu , Zhou Su , Chi Zhang , Hsiao-Hwa Chen

Channels of satellite communication are usually modeled as Rician fading channels with very large Rician factor or Gaussian channels. Therefore, when a legitimate user is close to an eavesdropping user, the legitimate channel is…

信息论 · 计算机科学 2018-08-16 Shuai Han , Xiangxue Tai , Weixiao Meng , Cheng Li

In this paper, we study the secrecy rate and outage probability in Multiple-Input-Single-Output (MISO) Gaussian wiretap channels at the limit of a large number of legitimate users and eavesdroppers. In particular, we analyze the asymptotic…

信息论 · 计算机科学 2016-05-10 Joseph Kampeas , Asaf Cohen , Omer Gurewitz

This paper considers the problem of filter design with secrecy constraints, where two legitimate parties (Alice and Bob) communicate in the presence of an eavesdropper (Eve), over a Gaussian multiple-input-multiple-output (MIMO) wiretap…

信息论 · 计算机科学 2015-06-15 Hugo Reboredo , João Xavier , Miguel R. D. Rodrigues

This paper studies a secrecy integrated sensing and communication (ISAC) system, in which a multi-antenna base station (BS) aims to send confidential messages to a single-antenna communication user (CU), and at the same time sense several…

信息论 · 计算机科学 2021-10-26 Zixiang Ren , Ling Qiu , Jie Xu

In massive MIMO wiretap settings, the base station can significantly suppress eavesdroppers by narrow beamforming toward legitimate terminals. Numerical investigations show that by this approach, secrecy is obtained at no significant cost.…

信息论 · 计算机科学 2018-08-15 Ali Bereyhi , Saba Asaad , Ralf R. Müller , Rafael F. Schaefer , Amir M. Rabiei

This paper studies the secrecy performance of multiple-input multiple-output (MIMO) wiretap channels, also termed as multiple-input multiple-output multiple-eavesdropper (MIMOME) channels, under transmit antenna selection (TAS) and…

信号处理 · 电气工程与系统科学 2019-04-30 Chongjun Ouyang , Zeliang Ou , Lu Zhang , Hongwen Yang , Xin Zhang

This paper proposes a new security cooperative protocol, for dual phase amplify-and-forward large wireless sensor networks. In such a network, a portion of the K relays can be potential eavesdroppers. The source agrees to share with the…

密码学与安全 · 计算机科学 2019-02-21 Michael Atallah , Georges Kaddoum

In this paper, the one-sided secrecy of two-way wiretap channel with feedback is investigated, where the confidential messages of one user through multiple transmissions is guaranteed secure against an external eavesdropper. For one thing,…

信息论 · 计算机科学 2017-07-20 Chao Qi , Yanling Chen , A. J. Han Vinck , Xiaohu Tang

A multiple-input single-output (MISO) wiretap channel model is considered, that includes a multi-antenna transmitter, a single-antenna legitimate receiver and a single-antenna eavesdropper. For the scenario in which spherical uncertainty…

信息论 · 计算机科学 2015-05-30 Jiangyuan Li , Athina P. Petropulu

This paper investigates the secrecy capacity of the binary beampointing (BBP) channel with block memory and feedback, a simplified yet insightful model for millimeter-wave (mmWave) systems with beamformed transmissions and backscatter…

信息论 · 计算机科学 2025-08-29 Siyao Li , Mingzhe Chen , Shuangyang Li , Giuseppe Caire

In physical layer security (PHY-security), the frequently observed high correlation between the main and wiretap channels can cause a significant loss of secrecy. This paper investigates a slow fading scenario, where a transmitter (Alice)…

信息论 · 计算机科学 2017-08-16 Shuai Han , Sai Xu , Weixiao Meng , Cheng Li

This letter studies the problem of maintaining information freshness under passive eavesdropping attacks. The classical three-node wiretap channel model is considered, in which a source aims to send its latest status wirelessly to its…

密码学与安全 · 计算机科学 2020-02-19 He Chen , Qian Wang , Parthajit Mohapatra , Nikolaos Pappas

In this paper, we investigate the performance of physical-layer security of a pinching-antenna system on a lossless dielectric waveguide. In particular, the system uses a single pinching-antenna to convey confidential information from a…

信息论 · 计算机科学 2025-03-25 Osamah S. Badarneh , Hugerles S. Silva , Yazan H. Al Badarneh