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相关论文: Jamming-Aided Secure Communication in Massive MIMO…

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In this work, we investigate a blockage-aware pinching antenna (PA) system designed for secure and robust wireless communication. The considered system comprises a base station equipped with multiple waveguides, each hosting multiple PAs,…

信息论 · 计算机科学 2026-05-22 Ruotong Zhao , Shaokang Hu , Deepak Mishra , Derrick Wing Kwan Ng

Mobile relaying is emerged as a promising technique to assist wireless communication, driven by the rapid development of unmanned aerial vehicles (UAVs). In this paper, we study secure transmission in a four-node (source, destination,…

信息论 · 计算机科学 2018-07-24 Qian Wang , Zhi Chen , Shaoqian Li

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

Secure communication is a promising technology for wireless networks because it ensures secure transmission of information. In this paper, we investigate the joint subcarrier (SC) assignment and power allocation problem for non-orthogonal…

信息论 · 计算机科学 2018-01-16 Haijun Zhang , Ning Yang , Keping Long , Miao Pan , George K. Karagiannidis , Victor C. M. Leung

In this paper, we study covert communications between {a pair of} legitimate transmitter-receiver against a watchful warden over slow fading channels. There coexist multiple friendly helper nodes who are willing to protect the covert…

信息论 · 计算机科学 2021-05-13 Tong-Xing Zheng , Ziteng Yang , Chao Wang , Zan Li , Jinhong Yuan , Xiaohong Guan

In this paper we consider the robust secure beamformer design for MISO wiretap channels. Assume that the eavesdroppers' channels are only partially available at the transmitter, we seek to maximize the secrecy rate under the transmit power…

信息论 · 计算机科学 2013-10-29 Shuai Ma , Mingyi Hong , Enbin Song , Xiangfeng Wang , Dechun Sun

The emerging Internet of Things (IoT) and bidirectional communications in smart grid are expected to improve smart grid capabilities and electricity management. Because of massive number of IoT devices in smart grid, size of the data to be…

信号处理 · 电气工程与系统科学 2021-08-13 Neji Mensi , Danda B. Rawat , Elyes Balti

A secure downlink transmission system which is exposed to multiple eavesdroppers and is appropriate for Internet of Things (IoT) applications is considered. A worst case scenario is assumed, in the sense that, in order to enhance their…

信号处理 · 电气工程与系统科学 2019-05-17 Pingmu Huang , Yunqin Hao , Tiejun Lv , Jintao Xing , Jie Yang , P. Takis Mathiopoulos

This letter studies the practical design of secure transmissions without knowing eavesdropper's channel state information (ECSI). An ECSI-irrelevant metric is introduced to quantize the intrinsic anti-eavesdropping ability (AEA) that the…

信息论 · 计算机科学 2018-05-22 Tong-Xing Zheng , Hui-Ming Wang , Hao Deng

In this paper, we consider physical layer security provisioning in multi-cell massive multiple-input multiple-output (MIMO) systems. Specifically, we consider secure downlink transmission in a multi-cell massive MIMO system with…

信息论 · 计算机科学 2014-05-29 Jun Zhu , Robert Schober , Vijay K. Bhargava

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 proposes a jointly cooperative relay and jamming protocol based on full-duplex (FD) capable relay to increase the source-destination secrecy rate in the presence of different types of eavesdroppers. In this so called…

信息论 · 计算机科学 2014-09-10 Saeedeh Parsaeefard , Tho Le-Ngoc

In this paper, we address the problem of secure wireless information and power transfer in a large-scale multiple-input multiple-output (LS-MIMO) amplify-and-forward (AF) relaying system. The advantage of LS-MIMO relay is exploited to…

信息论 · 计算机科学 2014-07-22 Xiaoming Chen , Jian Chen , Tao Liu

This work investigates the security and reliability analysis for a novel satellite-terrestrial (SatTer) network. Specifically, a satellite attempts to transmit confidential information to a ground user (GU) via the support of multiple relay…

To keep the hardware costs of future communications systems manageable, the use of low-cost hardware components is desirable. This is particularly true for the emerging massive multiple-input multiple-output (MIMO) systems which equip base…

信息论 · 计算机科学 2016-08-11 Jun Zhu , Derrick Wing Kwan Ng , Ning Wang , Robert Schober , Vijay K. Bhargava

In this paper, we consider a homogenous multi-antenna downlink network where a passive eavesdropper intends to intercept the communication between a base station (BS) and multiple secure users (SU) over Rayleigh fading channels. In order to…

信息论 · 计算机科学 2015-03-17 Xiaoming Chen , Yu Zhang

Wireless communication provides a wide coverage at the cost of exposing information to unintended users. As an information-theoretic paradigm, secrecy rate derives bounds for secure transmission when the channel to the eavesdropper is…

信息论 · 计算机科学 2016-11-17 Ashkan Kalantari , Mojtaba Soltanalian , Sina Maleki , Symeon Chatzinotas , Björn Ottersten

As a novel member of flexible antennas, the pinching antenna (PA) is realized by integrating small dielectric particles on a waveguide, offering unique regulatory capabilities on constructing line-of-sight (LoS) links and enhancing…

信号处理 · 电气工程与系统科学 2025-12-29 Haolian Chi , Kunrui Cao , Zhou Su , Lei Zhou , Panagiotis D. Diamantoulakis , Yuanwei Liu , George K. Karagiannidis

We consider the MIMO wiretap channel, that is a MIMO broadcast channel where the transmitter sends some confidential information to one user which is a legitimate receiver, while the other user is an eavesdropper. Perfect secrecy is…

信息论 · 计算机科学 2007-10-11 Frédérique Oggier , Babak Hassibi

An artificial-noise (AN)-aided beamformer specific to correlated main and wiretap channels is designed in this paper. We consider slow-fading multiple-input-single-output (MISO) wiretap channels with a passive single-antenna eavesdropper,…

信息论 · 计算机科学 2019-07-03 Shuai Han , Sai Xu , Weixiao Meng , Lei He
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