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相关论文: Transmit Optimization for Symbol-Level Spoofing

200 篇论文

In this paper, we consider covert beamforming design for intelligent reflecting surface (IRS) assisted Internet of Things (IoT) networks, where Alice utilizes IRS to covertly transmit a message to Bob without being recognized by Willie. We…

信息论 · 计算机科学 2021-09-02 Shuai Ma , Yunqi Zhang , Hang Li , Junchang Sun , Jia Shi , Han Zhang , Chao Shen , Shiyin Li

In this paper we propose a two-way protocol of physical layer security using the method of privacy amplification against eavesdroppers. First we justify our proposed protocol by analyzing the physical layer security provided by the classic…

信息论 · 计算机科学 2022-04-26 Masahito Hayashi , Angeles Vazquez-Castro

In this paper, two regional robust secure precise wireless transmission (SPWT) schemes for multi-user unmanned aerial vehicle (UAV) :1) regional signal-to-leakage-and-noise ratio (SLNR) and artificial-noise-to-leakage-and-noise ratio…

信号处理 · 电气工程与系统科学 2020-06-11 Tong Shen , Tingting Liu , Yan Lin , Yongpeng Wu , Feng Shu , Zhu Han

Wireless physical-layer security is an emerging field of research aiming at preventing eavesdropping in an open wireless medium. In this paper, we propose a novel waveform design approach to minimize the likelihood that a message…

密码学与安全 · 计算机科学 2013-06-04 Ming Li , Sandipan Kundu , Dimitris A. Pados , Stella N. Batalama

This paper investigates the impact of authentication on effective capacity (EC) of an underwater acoustic (UWA) channel. Specifically, the UWA channel is under impersonation attack by a malicious node (Eve) present in the close vicinity of…

密码学与安全 · 计算机科学 2020-02-13 Waqas Aman , Zeeshan Haider , S. Waqas H. Shah , M. Mahboob Ur Rahman , Octavia A. Dobre

Wireless secret key generation (W-SKG) from shared randomness (e.g., from the wireless channel fading realizations), is a well established scheme that can be used for session key agreement. W-SKG approaches can be of particular interest in…

密码学与安全 · 计算机科学 2020-03-27 Miroslav Mitev , Arsenia Chorti , E. Veronica Belmega , Martin Reed

Spoofing-robust speaker verification (SASV) combines the tasks of speaker and spoof detection to authenticate speakers under adversarial settings. Many SASV systems rely on fusion of speaker and spoof cues at embedding, score or decision…

音频与语音处理 · 电气工程与系统科学 2026-03-31 Oğuzhan Kurnaz , Jagabandhu Mishra , Tomi H. Kinnunen , Cemal Hanilçi

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…

信号处理 · 电气工程与系统科学 2019-06-21 Jie Chen , Ying-Chang Liang , Yiyang Pei , Huayan Guo

The feasibility of physical-layer-based security approaches for wireless communications in the presence of one or more eavesdroppers is hampered by channel conditions. In this paper, cooperation is investigated as an approach to overcome…

信息论 · 计算机科学 2008-09-30 Lun Dong , Zhu Han , Athina P. Petropulu , H. Vincent Poor

We consider a broadcast channel, in which a multi-antenna transmitter (Alice) sends $K$ confidential information signals to $K$ legitimate users (Bobs) in the presence of $L$ eavesdroppers (Eves). Alice uses MIMO precoding to generate the…

信息论 · 计算机科学 2017-01-11 Berk Akgun , O. Ozan Koyluoglu , Marwan Krunz

Intelligent reflecting surface (IRS) has emerged as a promising solution to enhance wireless information transmissions by adaptively controlling prorogation environment. Recently, the brand-new concept of utilizing IRS to implement a…

信号处理 · 电气工程与系统科学 2021-03-23 Rang Liu , Hongyu Li , Ming Li , Qian Liu

We now advocate a novel physical layer security solution that is unique to our previously proposed GPSM scheme with the aid of the proposed antenna scrambling. The novelty and contribution of our paper lies in three aspects: 1/ principle:…

信息论 · 计算机科学 2017-06-09 Rong Zhang , Lie-Liang Yang , Lajos Hanzo

Wireless low-power transceivers used in sensor networks such as IEEE 802.15.4 typically operate in unlicensed frequency bands that are subject to external interference from devices transmitting at much higher power. Communication protocols…

网络与互联网体系结构 · 计算机科学 2012-02-23 Carlo Alberto Boano , Kay Römer , Marco Antonio Zúñiga , Thiemo Voigt

The rapid development of technology has led to an increase in the number of devices that rely on position, velocity, and time (PVT) information to perform their functions. As such, the Global Navigation Satellite Systems (GNSS) have been…

信号处理 · 电气工程与系统科学 2025-11-04 Leatile Marata , Juhani Sankari , Eslam Eldeeb , Mikko Valkama , Elena Simona Lohan

In this paper, we analyze the performance of one- and two-sided amplitude shift keying (ASK) modulations in single-input single-output wireless communication aided by a reconfigurable intelligent surface (RIS). Two scenarios are considered…

信号处理 · 电气工程与系统科学 2024-10-03 Srijika Mukhopadhyay , Badri Ramanjaneya Reddy , Soumya P. Dash , George C. Alexandropoulos , Sonia Aissa

The threat of spoofing can pose a risk to the reliability of automatic speaker verification. Results from the bi-annual ASVspoof evaluations show that effective countermeasures demand front-ends designed specifically for the detection of…

音频与语音处理 · 电气工程与系统科学 2020-05-22 Hemlata Tak , Jose Patino , Andreas Nautsch , Nicholas Evans , Massimiliano Todisco

Advances in automatic speaker verification (ASV) promote research into the formulation of spoofing detection systems for real-world applications. The performance of ASV systems can be degraded severely by multiple types of spoofing attacks,…

声音 · 计算机科学 2024-08-27 Zhenyu Wang , John H. L. Hansen

Traditional physical layer secure beamforming is achieved via precoding before signal transmission using channel state information (CSI). However, imperfect CSI will compromise the performance with imperfect beamforming and potential…

信号处理 · 电气工程与系统科学 2024-02-02 Tongyang Xu , Zhongxiang Wei , Tianhua Xu , Gan Zheng

Reconfigurable intelligent surface (RIS)-aided wireless communications have drawn significant attention recently. We study the physical layer security of the downlink RIS-aided transmission framework for randomly located users in the…

信息论 · 计算机科学 2021-04-09 Jiayi Zhang , Hongyang Du , Qiang Sun , Bo Ai , Derrick Wing Kwan Ng

Physical layer security has been recently recognized as a promising new design paradigm to provide security in wireless networks. In addition to the existing conventional cryptographic methods, physical layer security exploits the dynamics…