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Related papers: Exploiting Large-Scale MIMO Techniques for Physica…

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In this paper we examine a number of deployment issues which arise from practical considerations in massive multiple-input-multiple-output (MIMO) systems. We show both spatial correlation and line-of-sight (LOS) introduce an interference…

Information Theory · Computer Science 2015-03-04 Callum T. Neil , Mansoor Shafi , Peter J. Smith , Pawel A. Dmochowski

In this paper, we investigate a large intelligent surface-enhanced (LIS-enhanced) system, where a LIS is deployed to assist secure transmission. Our design aims to maximize the achievable secrecy rates in different channel models, i.e.,…

Information Theory · Computer Science 2020-10-28 Biqian Feng , Yongpeng Wu , Mengfan Zheng , Xiang-Gen Xia , Yongjian Wang , Chengshan Xiao

Mission-critical communications (MCC) involve all communications between people in charge of the safety of the civil society. MCC have unique requirements that include improved reliability, security and group communication support. In this…

Information Theory · Computer Science 2020-12-11 Deepa Jagyasi , Marceau Coupechoux

Communication security could be enhanced at physical layer but at the cost of complex algorithms and redundant hardware, which would render traditional physical layer security (PLS) techniques unsuitable for use with resource-constrained…

Signal Processing · Electrical Eng. & Systems 2021-12-22 Tongyang Xu

This paper is a first study on the topic of achieving physical layer security by exploiting non-systematic channel codes. The chance of implementing transmission security at the physical layer is known since many years in information…

Information Theory · Computer Science 2010-04-27 Marco Baldi , Marco Bianchi , Franco Chiaraluce

In this paper, intelligent reflecting surface (IRS) is proposed to enhance the physical layer security in the Rician fading channel where the angular direction of the eavesdropper is aligned with a legitimate user. In this scenario, we…

Signal Processing · Electrical Eng. & Systems 2021-06-29 Gui Zhou , Cunhua Pan , Hong Ren , Kezhi Wang , Kok Keong Chai , Kai-Kit Wong

Due to the constraints on power supply and limited encryption capability, data security based on physical layer security (PLS) techniques in backscatter communications has attracted a lot of attention. In this work, we propose to enhance…

Networking and Internet Architecture · Computer Science 2024-02-21 Chi Jin , Zheng Chang , Fengye Hu , Hsiao-Hwa Chen , Timo Hamalainen

Unmanned aerial vehicle (UAV) wireless communications have experienced an upsurge of interest in both military and civilian applications, due to its high mobility, low cost, on-demand deployment, and inherent line-of-sight (LoS)…

Information Theory · Computer Science 2019-09-17 Xiaofang Sun , Derrick Wing Kwan Ng , Zhiguo Ding , Yanqing Xu , Zhangdui Zhong

This letter considers a mobile edge computing (MEC) system with one access point (AP) serving multiple users over a multicarrier channel, in the presence of a malicious eavesdropper. In this system, each user can execute the respective…

Information Theory · Computer Science 2018-05-08 Jie Xu , Jianping Yao

Multi-access edge computing (MEC) has been regarded as a promising technique for enhancing computation capabilities for wireless networks. In this paper, we study physical layer security in an MEC system where multiple users offload partial…

Information Theory · Computer Science 2021-07-06 Yating Wen , Tong-Xing Zheng , Yongxia Tong , Hao-Wen Liu , Xin Chen , Pengcheng Mu , Hui-Ming Wang

Physical layer security (PLS) is critically important for emerging wireless communication networks to maintain the confidentiality of the information of legitimate users. In this paper, we investigate enhancing PLS in an unmanned aerial…

Information Theory · Computer Science 2018-12-05 Nadisanka Rupasinghe , Yavuz Yapici , Ismail Guvenc , Huaiyu Dai , Arupjyoti Bhuyan

We consider a single-cell massive MIMO system in which a base station (BS) with a large number of antennas transmits simultaneously to several single-antenna users in the presence of an attacker.The BS acquires the channel state information…

Information Theory · Computer Science 2019-01-25 Berk Akgun , Marwan Krunz , O. Ozan Koyluoglu

This paper investigates a cell-free massive multiple-input-multiple-output (CF-mMIMO) integrated sensing and communication (ISAC) system that addresses the critical challenge of information leakage to potential eavesdroppers located within…

Signal Processing · Electrical Eng. & Systems 2026-03-20 Ruiguang Wang , Takumi Takahashi , Hideki Ochiai

In this work, a class of information theoretic secrecy problems is addressed where the eavesdropper channel states are completely unknown to the legitimate parties. In particular, MIMO wiretap channel models are considered where the channel…

Information Theory · Computer Science 2010-07-28 Xiang He , Aylin Yener

This study investigates a robust reconfigurable intelligent surface (RIS)-assisted multiple-input multiple-output (MIMO) system for secure wireless communication, in which a multi-antenna transmitter (Alice) sends confidential messages to a…

Signal Processing · Electrical Eng. & Systems 2026-02-20 Rakesh Ranjan , Ahmad Sirojuddin , Manjesh K. Hanawal , Himanshu B. Mishra , Wan-Jen Huang ID

In this paper, we study resource allocation design for secure communication in intelligent reflecting surface (IRS)-assisted multiuser multiple-input single-output (MISO) communication systems. To enhance physical layer security, artificial…

Information Theory · Computer Science 2019-10-29 Dongfang Xu , Xianghao Yu , Yan Sun , Derrick Wing Kwan Ng , Robert Schober

In this paper, we consider an intelligent reflecting surface (IRS) assisted Guassian multiple-input multiple-output (MIMO) wiretap channel (WTC), and focus on enhancing its secrecy rate. Due to MIMO setting, all the existing solutions for…

Information Theory · Computer Science 2020-07-29 Limeng Dong , Hui-Ming Wang

Consider an MISO channel overheard by multiple eavesdroppers. Our goal is to design an artificial noise (AN)-aided transmit strategy, such that the achievable secrecy rate is maximized subject to the sum power constraint. AN-aided secure…

Information Theory · Computer Science 2015-06-15 Qiang Li , Wing-Kin Ma

Feature-based physical layer authentication (PLA) schemes, using position-specific channel characteristics as identifying features, can provide lightweight protection against impersonation attacks in overhead-limited applications like e.g.,…

Signal Processing · Electrical Eng. & Systems 2020-10-13 Henrik Forssell , Ragnar Thobaben

Due to great efficiency improvement in resource and hardware space, integrated sensing and communication (ISAC) has gained much attention. In the paper, the physical layer security (PLS) of ISAC system under communication eavesdropper…

Information Theory · Computer Science 2026-04-22 Tian Zhang , Zhirong Su , Yueyi Dong