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Intelligent reflecting surface (IRS) is of low-cost and energy-efficiency and will be a promising technology for the future wireless communications like sixth generation. To address the problem of conventional directional modulation (DM)…

信息论 · 计算机科学 2020-08-13 Feng Shu , Jiayu Li , Mengxing Huang , Weiping Shi , Yin Teng , Jun Li , Yongpeng Wu , Jiangzhou Wang

This paper presents a novel approach to achieving secure wireless communication by leveraging the inherent characteristics of wireless channels through end-to-end learning using a single-input-multiple-output (SIMO) autoencoder (AE). To…

信号处理 · 电气工程与系统科学 2024-08-13 Abdullahi Mohammad , Mahmoud Tukur Kabir , Mikko Valkama , Bo Tan

Inverse probability problems whose generative models are given by strictly nonlinear Gaussian random fields show the all-or-nothing behavior: There exists a critical rate at which Bayesian inference exhibits a phase transition. Below this…

信息论 · 计算机科学 2022-05-19 Ali Bereyhi , Bruno Loureiro , Florent Krzakala , Ralf R. Müller , Hermann Schulz-Baldes

Reconfigurable intelligent surface (RIS) has emerged as a promising technique for future wireless communication networks. How to reliably transmit information in a RIS-based communication system arouses much interest. This paper proposes a…

信号处理 · 电气工程与系统科学 2020-05-15 Shuaishuai Guo , Shuheng Lv , Haixia Zhang , Jia Ye , Peng Zhang

We consider a Gaussian multiple access channel with $K$ transmitters, a (intended) receiver and an external eavesdropper. The transmitters wish to reliably communicate with the receiver while concealing their messages from the eavesdropper.…

密码学与安全 · 计算机科学 2015-04-23 Parisa Babaheidarian , Somayeh Salimi

The secure transmission of speech information is a significant issue faced by many security professionals and individuals. By applying voice-encryption technique any kind of encrypted sensitive speech data such as password can be…

多媒体 · 计算机科学 2013-04-26 Rupa Patel , Urmila Shrawankar

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

We investigate the problem of reliable communication between two legitimate parties over deletion channels under an active eavesdropping (aka jamming) adversarial model. To this goal, we develop a theoretical framework based on…

机器学习 · 统计学 2018-04-12 Shahab Asoodeh , Yi Huang , Ishanu Chattopadhyay

Physical layer security (PLS) technologies are expected to play an important role in the next-generation wireless networks, by providing secure communication to protect critical and sensitive information from illegitimate devices. In this…

信息论 · 计算机科学 2023-09-12 Yun Wen , Gaojie Chen , Sisai Fang , Zheng Chu , Pei Xiao , Rahim Tafazolli

A novel wireless transmission scheme, as named the reconfigurable intelligent surface (RIS)-assisted received adaptive spatial modulation (RASM) scheme, is proposed in this paper. In this scheme, the adaptive spatial modulation (ASM)-based…

信息论 · 计算机科学 2025-02-26 Chaorong Zhang , Hui Xu , Benjamin K. Ng , Chan-Tong Lam , Ke Wang

This comment recalls a previously proposed encoding scheme involving two synchronized random number generators (RNGs) to compress the transmission message. It is also claimed that the recently proposed random number modulation (RNM) scheme…

信息论 · 计算机科学 2017-05-11 Pavel Loskot

Steganography embeds secret messages in seemingly innocuous carriers for covert communication under surveillance. Current Provably Secure Steganography (PSS) schemes based on language models can guarantee computational indistinguishability…

密码学与安全 · 计算机科学 2026-04-30 Kaiyi Pang , Minhao Bai

Programmable metasurfaces and adjustable antennas are promising technologies. The security of a rotatable array system is investigated in this paper. A dual-base-station (BS) architecture is adopted, in which the BSs collaboratively perform…

信号处理 · 电气工程与系统科学 2025-11-18 Maolin Li , Feng Shu , Minghao Chen , Cunhua Pan , Fuhui Zhou , Yongpeng Wu , Liang Yang

Securing multimedia data has become of utmost importance especially in the applications related to military purposes. With the rise in development in computer and internet technology, multimedia data has become the most convenient method…

密码学与安全 · 计算机科学 2013-03-17 Ajay Kulkarni , Saurabh Kulkarni , Ketki Haridas , Aniket More

Over-parameterized neural language models (LMs) can memorize and recite long sequences of training data. While such memorization is normally associated with undesired properties such as overfitting and information leaking, our work casts…

计算与语言 · 计算机科学 2023-10-17 Samuel Stevens , Yu Su

The rapid transmission of multimedia information has been achieved mainly by recent advancements in the Internet's speed and information technology. In spite of this, advancements in technology have resulted in breaches of privacy and data…

多媒体 · 计算机科学 2025-08-12 Ramadhan J. Mstafa

In this paper, we proposed an identification and data encrypt key manage protocol that can be used in some security system based on such secure devices as secure USB memories or RFIDs, which are widely used for identifying persons or other…

密码学与安全 · 计算机科学 2013-07-08 Chol-Un Kim , Dok-Jun An , Song Han

As large language models (LLMs) become more powerful and are deployed more autonomously, it will be increasingly important to prevent them from causing harmful outcomes. Researchers have investigated a variety of safety techniques for this…

机器学习 · 计算机科学 2024-07-24 Ryan Greenblatt , Buck Shlegeris , Kshitij Sachan , Fabien Roger

Nowadays, machine learning based Automatic Speech Recognition (ASR) technique has widely spread in smartphones, home devices, and public facilities. As convenient as this technology can be, a considerable security issue also raises -- the…

密码学与安全 · 计算机科学 2018-09-07 Zirui Xu , Fuxun Yu , Chenchen Liu , Xiang Chen

The Grapheme-to-Phoneme (G2P) task aims to convert orthographic input into a discrete phonetic representation. G2P conversion is beneficial to various speech processing applications, such as text-to-speech and speech recognition. However,…

音频与语音处理 · 电气工程与系统科学 2023-08-01 Manuel Sam Ribeiro , Giulia Comini , Jaime Lorenzo-Trueba