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相关论文: Privacy Preservation in Delay-Based Localization S…

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In this paper, we focus on developing a novel mechanism to preserve differential privacy in deep neural networks, such that: (1) The privacy budget consumption is totally independent of the number of training steps; (2) It has the ability…

密码学与安全 · 计算机科学 2018-04-24 NhatHai Phan , Xintao Wu , Han Hu , Dejing Dou

This work considers the joint design of training and data transmission in physical-layer secret communication systems, and examines the role of artificial noise (AN) in both of these phases. In particular, AN in the training phase is used…

信息论 · 计算机科学 2015-11-06 Ta-Yuan Liu , Shih-Chun Lin , Y. -W. Peter Hong

In this paper, we consider secure downlink transmission in a multi-cell massive multiple-input multiple-output (MIMO) system where the numbers of base station (BS) antennas, mobile terminals, and eavesdropper antennas are asymptotically…

信息论 · 计算机科学 2016-11-17 Jun Zhu , Robert Schober , Vijay K. Bhargava

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

Upcoming WiFi-based localization systems for indoor environments face a conflict of privacy interests: Server-side localization violates location privacy of the users, while localization on the user's device forces the localization provider…

密码学与安全 · 计算机科学 2014-10-14 Jan Henrik Ziegeldorf , Nicolai Viol , Martin Henze , Klaus Wehrle

Concerns on location privacy frequently arise with the rapid development of GPS enabled devices and location-based applications. While spatial transformation techniques such as location perturbation or generalization have been studied…

数据库 · 计算机科学 2015-11-05 Yonghui Xiao , Li Xiong

This research addresses privacy protection in Natural Language Processing (NLP) by introducing a novel algorithm based on differential privacy, aimed at safeguarding user data in common applications such as chatbots, sentiment analysis, and…

密码学与安全 · 计算机科学 2024-10-14 Shaobo Liu , Guiran Liu , Binrong Zhu , Yuanshuai Luo , Linxiao Wu , Rui Wang

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…

信号处理 · 电气工程与系统科学 2020-03-06 Berker Peköz , Mohammed Hafez , Selçuk Köse , Hüseyin Arslan

This paper pioneers a novel scheme for artificial-noise (AN)-aided movable-antenna (MA)-enabled physical-layer service integration (PLSI) to harmonize the simultaneous delivery of multicast and confidential messages. By jointly exploiting…

信息论 · 计算机科学 2026-05-04 Zhifeng Tang , Guangchen Wang , Nan Yang , Xiangyun Zhou , Salman Durrani

Smart meter devices enable a better understanding of the demand at the potential risk of private information leakage. One promising solution to mitigating such risk is to inject noises into the meter data to achieve a certain level of…

密码学与安全 · 计算机科学 2020-11-13 Haoxiang Wang , Jiasheng Zhang , Chenbei Lu , Chenye Wu

Due to the broadcast nature of wireless communications, physical-layer security has attracted increasing concerns from both academia and industry. Artificial noise (AN), as one of the promising physical-layer security techniques, is capable…

密码学与安全 · 计算机科学 2025-09-17 Hong Niu , Yue Xiao , Xia Lei , Jiangong Chen , Zhihan Xiao , Mao Li , Chau Yuen

The task of partially spoofed audio localization aims to accurately determine audio authenticity at a frame level. Although some works have achieved encouraging results, utilizing boundary information within a single model remains an…

声音 · 计算机科学 2024-08-20 Jiafeng Zhong , Bin Li , Jiangyan Yi

We investigate the physical-layer security of indoor hybrid parallel power-line/wireless orthogonal-frequency division-multiplexing (OFDM) communication systems. We propose an artificial-noise (AN) aided scheme to enhance the system's…

信息论 · 计算机科学 2017-10-31 Ahmed El Shafie , Mohamed F. Marzban , Rakan Chabaan , Naofal Al-Dhahir

High-accuracy positioning has gained significant interest for many use-cases across various domains such as industrial internet of things (IIoT), healthcare and entertainment. Radio frequency (RF) measurements are widely utilized for user…

信号处理 · 电气工程与系统科学 2023-12-06 Anil Kirmaz , Taylan Sahin , Diomidis S. Michalopoulos , Wolfgang Gerstacker

5G millimeter wave (mmWave) signals can be used to jointly localize the receiver and map the propagation environment in vehicular networks, which is a typical simultaneous localization and mapping (SLAM) problem. Mapping the environment is…

信号处理 · 电气工程与系统科学 2021-06-01 Yu Ge , Hyowon Kim , Fuxi Wen , Lennart Svensson , Sunwoo Kim , Henk Wymeersch

This paper proposes a locally differentially private federated learning algorithm for strongly convex but possibly nonsmooth problems that protects the gradients of each worker against an honest but curious server. The proposed algorithm…

机器学习 · 计算机科学 2023-08-03 Jiaojiao Zhang , Dominik Fay , Mikael Johansson

The worldwide adoption of machine learning (ML) and deep learning models, particularly in critical sectors, such as healthcare and finance, presents substantial challenges in maintaining individual privacy and fairness. These two elements…

机器学习 · 计算机科学 2024-04-16 Mengmeng Yang , Ming Ding , Youyang Qu , Wei Ni , David Smith , Thierry Rakotoarivelo

We address the problem of maximizing privacy of stochastic dynamical systems whose state information is released through quantized sensor data. In particular, we consider the setting where information about the system state is obtained…

系统与控制 · 电气工程与系统科学 2021-01-25 Carlos Murguia , Iman Shames , Farhad Farokhi. Dragan Nesic , Vincent Poor

With the popularity of GPS-enabled devices, a huge amount of trajectory data has been continuously collected and a variety of location-based services have been developed that greatly benefit our daily life. However, the released…

数据库 · 计算机科学 2022-07-11 Fengmei Jin , Wen Hua , Boyu Ruan , Xiaofang Zhou

Security is emerging as a critical performance metric for next-generation wireless networks, but conventional multiple-input-multiple-output (MIMO) systems often suffer from severe path loss and are vulnerable to nearby eavesdroppers due to…