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相关论文: Privacy Preservation in MIMO-OFDM Localization Sys…

200 篇论文

This paper considers secrecy enhancement mechanisms in visible light communication (VLC) systems with spatially distributed passive eavesdroppers (EDs) under the assumption that there are multiple LED transmitters and one legitimate…

信息论 · 计算机科学 2017-07-24 Sunghwan Cho , Gaojie Chen , Justin P. Coon

In this paper, an artificial noise-aided strategy is presented for location-privacy preservation. A novel framework for the reduction of location-privacy leakage is introduced, where structured artificial noise is designed to degrade the…

信号处理 · 电气工程与系统科学 2023-02-20 Jianxiu Li , Urbashi Mitra

An information-theoretic confidential communication is achievable if the eavesdropper has a degraded channel compared to the legitimate receiver. In wireless channels, beamforming and artificial noise can enable such confidentiality.…

信息论 · 计算机科学 2023-12-25 Stefan Roth , Aydin Sezgin

Fake base station (FBS) attack is a great security challenge to wireless user equipment (UE). During the cell selection stage, the UE receives multiple synchronization signals (SSs) from multiple nearby base stations (BSs), and then…

信息论 · 计算机科学 2018-06-15 Ke-Wen Huang , Hui-Ming Wang

In this paper, we study a secure integrated sensing and communication (ISAC) system where one multi-antenna base station (BS) simultaneously communicates with one single-antenna user and senses the location parameter of a target which…

信息论 · 计算机科学 2023-12-22 Kaiyue Hou , Shuowen Zhang

Location-aided beam alignment has been proposed recently as a potential approach for fast link establishment in millimeter wave (mmWave) massive MIMO (mMIMO) communications. However, due to mobility and other imperfections in the estimation…

信息论 · 计算机科学 2017-08-29 Flavio Maschietti , David Gesbert , Paul de Kerret , Henk Wymeersch

This paper studies the secure beamforming design in a multiple-antenna three-node system where two source nodes exchange messages with the help of an untrusted relay node. The relay acts as both an essential signal forwarder and a potential…

信息论 · 计算机科学 2015-06-18 Jianhua Mo , Meixia Tao , Yuan Liu , Rui Wang

This paper investigates the problem of increasing the security at the physical layer of a Millimeter Wave (mmWave) network equipped with several Intelligent Reflecting Surfaces (IRSs). In this network, multiple IRSs help the Base Station…

信息论 · 计算机科学 2021-10-07 Anahid Rafieifar , S. Mohammad Razavizadeh

Fake path injection is an emerging paradigm for inducing privacy over wireless networks. In this paper, fake paths are injected by the transmitters into a single-input multiple-output (SIMO) communication channel to obscure their physical…

信息论 · 计算机科学 2026-04-23 Trong Duy Tran , Maxime Ferreira Da Costa , Linh Trung Nguyen

In this study, we consider the physical layer security in the downlink of a Massive MIMO system employing one-bit quantization at the base station (BS). We assume an active eavesdropper that attempts to spoiling the channel estimation…

信息论 · 计算机科学 2020-03-03 M. A. Teeti

In this paper, we study a multi-input multi-output (MIMO) beamforming design in an integrated sensing and communication (ISAC) system, in which an ISAC base station (BS) is used to communicate with multiple downlink users and simultaneously…

信息论 · 计算机科学 2024-07-08 Chao Hu , Yuan Fang , Ling Qiu

We propose a new optimal Location-Based Beamforming (LBB) scheme for the wiretap channel, where both the main channel and the eavesdropper's channel are subject to Rician fading. In our LBB scheme the two key inputs are the location of the…

信息论 · 计算机科学 2015-12-21 Shihao Yan , Robert Malaney

We consider the following positioning problem where several base stations (BS) try to locate a user equipment (UE): The UE sends a positioning signal to several BS. Each BS performs Angle of Arrival (AoA) measurements on the received…

信息论 · 计算机科学 2023-08-17 Viet-Hoa Nguyen , Vincent Corlay , Nicolas Gresset , Cristina Ciochina

Numerous communications and networking challenges prevent deploying unmanned aerial vehicles (UAVs) in extreme environments where the existing wireless technologies are mainly ground-focused; and, as a consequence, the air-to-air channel…

系统与控制 · 电气工程与系统科学 2021-11-23 Alireza Mohammadi , Mehdi Rahmati , Hafiz Malik

We consider a robust beamforming problem where large amount of downlink (DL) channel state information (CSI) data available at a multiple antenna access point (AP) is used to improve the link quality to a user equipment (UE) for beyond-5G…

信息论 · 计算机科学 2023-08-15 Sai Subramanyam Thoota , Joao Vieira , Erik G. Larsson

Millimeter-wave MIMO systems have gained increasing traction towards the goal of meeting the high data-rate requirements in next-generation wireless systems. The focus of this work is on low-complexity beamforming approaches for initial UE…

信息论 · 计算机科学 2016-05-04 Vasanthan Raghavan , Juergen Cezanne , Sundar Subramanian , Ashwin Sampath , Ozge Koymen

This paper investigates integrated localization and communication in a multi-cell system and proposes a coordinated beamforming algorithm to enhance target localization accuracy while preserving communication performance. Within this…

信号处理 · 电气工程与系统科学 2025-02-26 Meidong Xia , Wei Xu , Jindan Xu , Zhenyao He , Zhaohui Yang , Derrick Wing Kwan Ng

Accurate localization in Orthogonal Frequency Division Multiplexing (OFDM)-based massive Multiple-Input Multiple-Output (MIMO) systems depends critically on phase coherence across subcarriers and antennas. However, practical systems suffer…

信号处理 · 电气工程与系统科学 2026-01-21 Qing Zhang , Adham Sakhnini , Robbert Beerten , Haoqiu Xiong , Zhuangzhuang Cui , Yang Miao , Sofie Pollin

In this letter, we consider the coexistence and spectrum sharing between downlink multi-user multiple-input-multiple-output (MU-MIMO) communication and a MIMO radar. For a given performance requirement of the downlink communication system,…

信息论 · 计算机科学 2017-07-04 Fan Liu , Christos Masouros , Ang Li , Tharmalingam Ratnarajah

In many wireless communication applications, it is desirable to transmit the same data to multiple user equipments (UEs). Physical layer multicasting presents an efficient transmission topology to exploit the beamforming capabilities at the…

信号处理 · 电气工程与系统科学 2025-09-30 Mahmoud Zaher , Emil Björnson , Marina Petrova