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相关论文: Delay-Angle Information Spoofing for Channel State…

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In this paper, a delay-angle information spoofing (DAIS) strategy is proposed for location-privacy enhancement. By shifting the location-relevant delays and angles without the aid of channel state information (CSI) at the transmitter, the…

信号处理 · 电气工程与系统科学 2024-05-09 Jianxiu Li , Urbashi Mitra

In this paper, an augmented analysis of a delay-angle information spoofing (DAIS) is provided for location-privacy preservation, where the location-relevant delays and angles are artificially shifted to obfuscate the eavesdropper with an…

信号处理 · 电气工程与系统科学 2024-05-09 Jianxiu Li , Urbashi Mitra

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

As the demand for underwater communication continues to grow, underwater acoustic RIS (UARIS), as an emerging paradigm in underwater acoustic communication (UAC), can significantly improve the communication rate of underwater acoustic…

信号处理 · 电气工程与系统科学 2024-12-03 Ziqi Chen , Jun Du , Chunxiao Jiang , Zhu Han

Localization plays an increasingly pivotal role in 5G/6G systems, enabling various applications. This paper focuses on the privacy concerns associated with delay-based localization, where unauthorized base stations attempt to infer the…

信号处理 · 电气工程与系统科学 2024-08-22 Yuchen Zhang , Hui Chen , Henk Wymeersch

In this paper, a channel state information (CSI)-free, fake path injection (FPI) scheme is proposed for location-privacy preservation. By leveraging the geometrical feasibility of the fake paths, under mild conditions, it can be proved that…

信号处理 · 电气工程与系统科学 2024-05-24 Jianxiu Li , Urbashi Mitra

This paper introduces delay-alignment modulation (DAM) for secure integrated sensing and communication (ISAC). Due to the broadcast nature of multi-user downlinks, communications are vulnerable to eavesdropping. DAM applies controlled…

信息论 · 计算机科学 2026-02-25 Tianyu Lu , Jiajun He , Mohammadali Mohammadi , Michail Matthaiou

With the tremendous increase in the number of smart phones, app stores have been overwhelmed with applications requiring geo-location access in order to provide their users better services through personalization. Revealing a user's…

密码学与安全 · 计算机科学 2019-01-03 Abhinav Palia , Rajat Tandon

In this paper, we study using Destination Artificial Noise (DAN) besides Source Artificial Noise (SAN) to enhance physical layer secrecy with an outage probability based approach. It is assumed that all nodes in the network (i.e. source,…

信息论 · 计算机科学 2017-04-12 Ali Rahmanpour , Vahid T. Vakili , S. Mohammad Razavizadeh

One of the great potentials to improve the confidentiality in mmWave/THz at the physical layer of technical communication, measured by the secrecy rate, lies in the use of reconfigurable intelligent surfaces (RISs). However, an important…

信号处理 · 电气工程与系统科学 2024-01-30 Chu Li , Stefan Roth , Aydin Sezgin

Hidden spy cameras have become a great privacy threat recently, as these low-cost, low-power, and small form-factor IoT devices can quietly monitor human activities in the indoor environment without generating any side-channel information.…

密码学与安全 · 计算机科学 2026-02-03 Wenhao Chen , Wenyi Morty Zhang , Wei Sun , Dinesh Bharadia , Roshan Ayyalasomayajula

In this paper, a new data-adaptive method, called DAIS (Data Adaptive ISolation), is introduced for the estimation of the number and the location of change-points in a given data sequence. The proposed method can detect changes in various…

统计方法学 · 统计学 2025-06-24 Andreas Anastasiou , Sophia Loizidou

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

Radio maps that describe spatial variations in wireless signal strength are widely used to optimize networks and support aerial platforms. Their construction requires location-labeled signal measurements from distributed users, raising…

信号处理 · 电气工程与系统科学 2025-12-10 Jijia Tian , Wangqian Chen , Junting Chen , Pooi-Yuen Kam

This paper studies location privacy in uplink MIMO systems, where a user equipment seeks to spoof the angular signature observed by a single base station performing localization. We propose a blind analog precoder design that manipulates…

信号处理 · 电气工程与系统科学 2026-05-04 Priyanka Maity , Lorenzo Italiano , Alireza Pourafzal , Gonzalo Seco-Granados , Hui Chen , Monica Nicoli , Henk Wymeersch

The integration of radar sensors and communication networks as envisioned for the 6G wireless networks poses significant security risks, e.g., the user position information can be released to an unauthorized dual-functional base station…

信息论 · 计算机科学 2025-01-28 Fan Xu , Wenhai Lai , Kaiming Shen

We study the problem of remote state estimation in the presence of a passive eavesdropper, under the challenging network environment of no packet receipt acknowledgments. A remote legitimate user estimates the state of a linear plant from…

系统与控制 · 电气工程与系统科学 2023-04-06 Matthew Crimson , Justin M. Kennedy , Daniel E. Quevedo

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

Dynamic average consensus is a decentralized control/estimation framework where a group of agents cooperatively track the average of local time-varying reference signals. In this paper, we develop a novel state decomposition-based privacy…

系统与控制 · 电气工程与系统科学 2020-09-15 Kaixiang Zhang , Zhaojian Li , Yongqiang Wang , Ali Louati , Jian Chen

This paper considers a cyber-physical system under an active eavesdropping attack. A remote legitimate user estimates the state of a linear plant from the state information received from a sensor. Transmissions from the sensor occur via an…

系统与控制 · 电气工程与系统科学 2023-08-21 Matthew Crimson , Justin M. Kennedy , Daniel E. Quevedo
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