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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

This paper presents a novel approach to achieving secure wireless communication by leveraging the inherent characteristics of wireless channels through end-to-end learning using a single-input-multiple-output (SIMO) autoencoder (AE). To…

Signal Processing · Electrical Eng. & Systems 2024-08-13 Abdullahi Mohammad , Mahmoud Tukur Kabir , Mikko Valkama , Bo Tan

In this paper, we consider a multiuser massive single-input multiple-output (SIMO) enabled Industrial Internet of Things (IIoT) communication system. To reduce the latency and overhead caused by channel estimation, we assume that only the…

Information Theory · Computer Science 2019-03-06 Zheng Dong , He Chen , Jian-Kang Zhang , Branka Vucetic

In this paper, we present a zero-forcing (ZF) attack on the physical layer cryptography scheme based on massive multiple-input multiple-output (MIMO). The scheme uses singular value decomposition (SVD) precoder. We show that the…

Information Theory · Computer Science 2015-07-30 Ron Steinfeld , Amin Sakzad

In the literature, J.-P. Cheng et al. have proposed the MIMO-OFDM PHY integrated (MOPI) scheme for achieving physical-layer security in practice without using any cryptographic ciphers. The MOPI scheme uses channel sounding and…

Information Theory · Computer Science 2015-03-17 Pang-Chang Lan , Chih-Yao Wu , Chia-Han Lee , Ping-Cheng Yeh , Chen-Mou Cheng

This paper addresses robust waveform design for multiple-input-multiple-output (MIMO) radar detection. A probabilistic model is proposed to describe the target uncertainty. Considering that waveform design based on maximizing the…

Signal Processing · Electrical Eng. & Systems 2022-04-12 Xuyang Wang , Bo Tang , Ming Zhang

Wireless communications empowered by Reconfigurable Intelligent (meta)Surfaces (RISs) are recently gaining remarkable research attention due to the increased system design flexibility offered by RISs for diverse functionalities. In this…

Information Theory · Computer Science 2020-11-03 George C. Alexandropoulos , Konstantinos Katsanos , Miaowen Wen , Daniel B. da Costa

Holographic multiple-input multiple-output (MIMO) is deemed as a promising technique beyond massive MIMO, unleashing near-field communications, localization, and sensing in the next-generation wireless networks. Semi-continuous surface with…

Information Theory · Computer Science 2023-05-30 Charles Vanwynsberghe , Jiguang He , Chongwen Huang , Merouane Debbah

A new detection scheme for multiuser multiple-input multiple-output (MIMO) systems is analytically presented. In particular, the transmitting users are being categorized in two distinct priority service groups, while they communicate…

Information Theory · Computer Science 2017-04-03 Nikolaos I. Miridakis , Theodoros A. Tsiftsis , Dimitrios D. Vergados , Angelos Michalas

In this paper, we develop an efficient detector for massive multiple-input multiple-output (MIMO) communication systems via penalty-sharing alternating direction method of multipliers (PS-ADMM). Its main content are as follows: first, we…

Signal Processing · Electrical Eng. & Systems 2020-10-15 Quan Zhang , Yongchao Wang

In this paper, we introduce an intelligent reflecting surface (IRS) to provide a programmable wireless environment for physical layer security. By adjusting the reflecting coefficients, the IRS can change the attenuation and scattering of…

Signal Processing · Electrical Eng. & Systems 2019-06-21 Jie Chen , Ying-Chang Liang , Yiyang Pei , Huayan Guo

This paper investigates the potential of movable antennas (MAs) to enhance physical layer security within a multiple-input multiple-output multiple-antenna eavesdropper (MIMOME) system. We consider a practical scenario where the transmitter…

Information Theory · Computer Science 2026-01-22 Lei Xie , Peilan Wang , Guanxiong Shen , Guyue Li , Weidong Mei , Liquan Chen

With the goal of enabling ultrareliable and low-latency wireless communications for industrial internet of things (IIoT), this paper studies the use of energy-based modulations in noncoherent massive single-input multiple-output (SIMO)…

Information Theory · Computer Science 2024-06-19 Marc Vilà-Insa , Aniol Martí , Jaume Riba , Meritxell Lamarca

Achieving ultra-reliable, low-latency and secure communications is essential for realizing the industrial Internet of Things (IIoT). Non-coherent massive multiple-input multiple-output (MIMO) is one of promising techniques to fulfill…

Signal Processing · Electrical Eng. & Systems 2020-05-27 Zhifang Gu , He Chen , Pingping Xu , Yonghui Li , Branka Vucetic

This paper studies secure layered video transmission in a multiuser multiple-input single-output (MISO) beamforming downlink communication system. The power allocation algorithm design is formulated as a non-convex optimization problem for…

Information Theory · Computer Science 2016-11-17 Derrick Wing Kwan Ng , Robert Schober , Hussein Alnuweiri

A pioneering secure transmission scheme is proposed, which harnesses movable antennas (MAs) to optimize antenna positions for augmenting the physical layer security. Particularly, an MA-enabled secure wireless system is considered, where a…

Signal Processing · Electrical Eng. & Systems 2023-12-22 Zhenqiao Cheng , Nanxi Li , Jianchi Zhu , Xiaoming She , Chongjun Ouyang , Peng Chen

Integrating massive multiple-input multiple-output (mMIMO) systems with intelligent reflecting surfaces (IRS) presents a promising paradigm for enhancing physical-layer security (PLS) in wireless communications. However, deploying…

Signal Processing · Electrical Eng. & Systems 2026-02-17 Weijie Xiong , Jian Yang , Jingran Lin , Hongli Liu , Zhiling Xiao , Qiang Li

This paper exploits the potential of physical layer security in massive multiple-input multiple-output (MIMO) aided two-tier heterogeneous networks (HetNets). We focus on the downlink secure transmission in the presence of multiple…

Information Theory · Computer Science 2015-09-10 Yansha Deng , Lifeng Wang , Kai-Kit Wong , Arumugam Nallanathan , Maged Elkashlan

A novel dynamic hybrid beamforming architecture is proposed to achieve the spatial multiplexing-power consumption tradeoff for near-field multiple-input multiple-output (MIMO) networks, where each radio frequency (RF) chain is connected to…

Information Theory · Computer Science 2023-12-27 Zheng Zhang , Yuanwei Liu , Zhaolin Wang , Jian Chen , Tony Q. S. Quek

Practical multiple-input-multiple-output (MIMO) systems depend on a predefined set of precoders to provide spatial multiplexing gain. This limitation on the flexibility of the precoders affects the overall performance. Here, we propose a…

Signal Processing · Electrical Eng. & Systems 2020-03-06 Berker Peköz , Mohammed Hafez , Selçuk Köse , Hüseyin Arslan