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Multiple-input multiple-output (MIMO) systems find immense potential and applicability in the long term evolution (LTE), 5G, Internet of Things (IoT), vehicular ad hoc networks (VANETs), and tactical communication systems. Jamming poses…

网络与互联网体系结构 · 计算机科学 2020-05-05 Anu Jagannath , Jithin Jagannath , Andrew Drozd

The focus of this paper is on beamforming in a millimeter-wave (mmW) multi-input multi-output (MIMO) setup that has gained increasing traction in meeting the high data-rate requirements of next-generation wireless systems. For a given MIMO…

信息论 · 计算机科学 2016-01-12 Vasanthan Raghavan , Sundar Subramanian , Juergen Cezanne , Ashwin Sampath

There is a rich recent literature on how to assist secure communication between a single transmitter and receiver at the physical layer of wireless networks through techniques such as cooperative jamming. In this paper, we consider how…

网络与互联网体系结构 · 计算机科学 2013-04-10 Majid Ghaderi , Dennis Goeckel , Ariel Orda , Mostafa Dehghan

This paper investigates the anti-jamming performance of a cognitive radar under a partially observable Markov decision process (POMDP) model. First, we obtain an explicit expression for uncertainty of jammer dynamics, which paves the way…

机器学习 · 计算机科学 2019-11-28 Serkan Ak , Stefan Bruggenwirth

Movable antenna (MA) is an emerging technology which can reconfigure wireless channels via adaptive antenna position adjustments at transceivers, thereby bringing additional spatial degrees of freedom for improving system performance. In…

信息论 · 计算机科学 2025-10-20 Guojie Hu , Qingqing Wu , Lipeng Zhu , Kui Xu , Guoxin Li , Jiangbo Si , Jian Ouyang , Tong-Xing Zheng

By employing the lens antenna array, beamspace MIMO can utilize beam selection to reduce the number of required RF chains in mmWave massive MIMO systems without obvious performance loss. However, to achieve the capacityapproaching…

信息论 · 计算机科学 2016-07-19 Linglong Dai , Xinyu Gao , Shuangfeng Han , Chih-Lin I , Xiaodong Wang

Spatial filtering based on multiple-input multiple-output (MIMO) processing is a powerful method for jammer mitigation. In principle, a MIMO receiver can null the interference of a single-antenna jammer at the cost of only one degree of…

信息论 · 计算机科学 2024-08-28 Gian Marti , Alexander Stutz-Tirri , Christoph Studer

This paper studies the secrecy communication in an orthogonal frequency division multiplexing (OFDM) system, where a source sends confidential information to a destination in the presence of a potential eavesdropper. We employ wireless…

信息论 · 计算机科学 2017-10-16 Guangchi Zhang , Jie Xu , Qingqing Wu , Miao Cui , Xueyi Li , Fan Lin

The UFMC modulation is among the most considered solutions for the realization of beyond-OFDM air interfaces for future wireless networks. This paper focuses on the design and analysis of an UFMC transceiver equipped with multiple antennas…

信号处理 · 电气工程与系统科学 2019-01-24 Stefano Buzzi , Carmen D'Andrea , Dejian Li , Shulan Feng

This paper presents a radar target tracking framework for addressing main-beam range deception jamming attacks using random finite sets (RFSs). Our system handles false alarms and detections with false range information through multiple…

信号处理 · 电气工程与系统科学 2026-03-10 Helena Calatrava , Aanjhan Ranganathan , Tales Imbiriba , Gunar Schirner , Murat Akcakaya , Pau Closas

Millimeter-wave massive MIMO with lens antenna array can considerably reduce the number of required radio-frequency (RF) chains by beam selection. However, beam selection requires the base station to acquire the accurate information of…

信息论 · 计算机科学 2017-08-28 Xinyu Gao , Linglong Dai , Shuangfeng Han , Chih-Lin I , Xiaodong Wang

Phased multiple-input multiple-output (Phased-MIMO) radar has received increasing attention for enjoying the advantages of waveform diversity and range-dependency from frequency diverse array MIMO (FDA-MIMO) radar without sacrificing…

信号处理 · 电气工程与系统科学 2024-08-07 Yan Sun , Wen-qin Wang , Zhou He , Shunsheng Zhang

We investigate a reconfigurable intelligent surface (RIS) aided wireless surveillance system. In this system, a monitor not only receives signal from suspicious transmitter via a RIS-enhanced legitimate surveillance (LS) link but also…

系统与控制 · 电气工程与系统科学 2025-02-26 Shuying Lin , Yulong Zou , Zhiyang Li , Tong Wu , Eduard E. Bahingayi , Le-Nam Tran

The high directionality and intense Doppler effects of millimeter wave (mmWave) and sub-terahertz (subTHz) channels demand accurate localization of the users and a new paradigm of channel estimation. For orthogonal frequency division…

信号处理 · 电气工程与系统科学 2024-06-13 Enrique T. R. Pinto , Markku Juntti

Delay alignment modulation (DAM) is a novel wideband communication technique, which exploits the high spatial resolution and multi-path sparsity of millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) systems to mitigate…

信息论 · 计算机科学 2022-11-15 Xingwei Wang , Haiquan Lu , Yong Zeng

Due to the open communications environment in wireless channels, wireless networks are vulnerable to jamming attacks. However, existing approaches for jamming rely on knowledge of the legitimate users' (LUs') channels, extra jamming power,…

信号处理 · 电气工程与系统科学 2023-04-25 Huan Huang , Ying Zhang , Hongliang Zhang , Yi Cai , A. Lee Swindlehurst , Zhu Han

A family of low-complexity detection schemes based on channel matrix puncturing targeted for large multiple-input multiple-output (MIMO) systems is proposed. It is well-known that the computational cost of MIMO detection based on QR…

信息论 · 计算机科学 2017-12-07 H. Sarieddeen , M. M. Mansour , A. Chehab

In this paper, we investigate joint relay and jammer selection in two-way cooperative networks, consisting of two sources, a number of intermediate nodes, and one eavesdropper, with the constraints of physical layer security. Specifically,…

信息论 · 计算机科学 2011-12-01 Jingchao Chen , Rongqing Zhang , Lingyang Song , Zhu Han , Bingli Jiao

Multiple-Input-Multiple-Output~(MIMO) signal detection is central to every state-of-the-art communication system, and enhancements in error performance and computation complexity of MIMO detection would significantly enhance data rate and…

网络与互联网体系结构 · 计算机科学 2024-09-06 Abhishek Kumar Singh , Ari Kapelyan , Davide Venturelli , Kyle Jamieson

Covert communication is often limited in rate because it is difficult to hide the signal in the background noise. Recent work has shown that jamming can significantly improve the rate at which covert communications can be conducted;…

信号处理 · 电气工程与系统科学 2019-07-04 Moslem Forouzesh , Paeiz Azmi , Nader Mokari , Dennis Goeckel