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相关论文: Semantic Security for Indoor THz-Wireless Communic…

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In wireless data networks, communication is particularly susceptible to eavesdropping due to its broadcast nature. Security and privacy systems have become critical for wireless providers and enterprise networks. This paper considers the…

信息论 · 计算机科学 2007-07-13 Ruoheng Liu , H. Vincent Poor

Terahertz (THz) frequencies are important for next generation wireless systems due to the advantages in terms of large available bandwidths. On the other hand, the limited range due to high attenuation in these frequencies can be overcome…

信号处理 · 电气工程与系统科学 2024-05-31 Hasan Nayir , Erhan Karakoca , Güneş Karabulut Kurt , Ali Görçin

Physical-layer security (PLS) is a promising technique to complement more traditional means of communication security in beyond-5G wireless networks. However, studies of PLS are often based on ideal assumptions such as infinite coding…

信息论 · 计算机科学 2024-05-14 Milad Tatar Mamaghani , Xiangyun Zhou , Nan Yang , A. Lee Swindlehurst , H. Vincent Poor

Compressed sensing (CS) deals with the problem of reconstructing a sparse vector from an under-determined set of observations. Approximate message passing (AMP) is a technique used in CS based on iterative thresholding and inspired by…

信号处理 · 电气工程与系统科学 2019-07-12 Viktoria Schram , Ali Bereyhi , Jan-Nico Zaech , Ralf R. Müller , Wolfgang H. Gerstacker

Semantic communication has emerged as a promising paradigm for enhancing communication efficiency in sixth-generation (6G) networks. However, the broadcast nature of wireless channels makes SemCom systems vulnerable to eavesdropping, which…

信息论 · 计算机科学 2025-04-01 Shunpu Tang , Yuhao Chen , Qianqian Yang , Ruichen Zhang , Dusit Niyato , Zhiguo Shi

We study the state-dependent wiretap channel with non-causal channel state informations at the encoder in an integrated sensing and communications (ISAC) scenario. In this scenario, the transmitter communicates a message and a state…

信息论 · 计算机科学 2023-07-25 Mehrasa Ahmadipour , Michèle Wigger , Shlomo Shamai

Terahertz (THz) communications will be pivotal in sixth-generation (6G) wireless networks, offering significantly wider bandwidths and higher data rates. However, the unique propagation characteristics of the THz frequency band, such as…

网络与互联网体系结构 · 计算机科学 2024-09-17 Waqas Khalid , Heejung Yu , Farman Ali , Huiping Huang

In this paper, we propose to utilize intelligent reflecting surfaces (IRSs) for enhancing the physical layer security of wireless communications systems. In particular, an IRS-assisted secure wireless system is considered, where a…

信息论 · 计算机科学 2020-02-26 Xianghao Yu , Dongfang Xu , Robert Schober

This paper investigates the performance of physical layer security (PLS) in a vehicle-to-vehicle (V2V) communication system, where a transmitter vehicle exploits a dual reconfigurable intelligent surface (RIS) to send confidential…

信息论 · 计算机科学 2024-10-08 Farshad Rostami Ghadi , Masoud Kaveh , Kai-Kit Wong , Diego Martin

The problem of secure lossy source-channel wiretapping with arbitrarily correlated side informations at both receivers is investigated. This scenario consists of an encoder (referred to as Alice) that wishes to compress a source and send it…

信息论 · 计算机科学 2011-10-11 Joffrey Villard , Pablo Piantanida , Shlomo Shamai

The current body of research on terahertz (THz) wireless communications predominantly focuses on its application for single-user backhaul/fronthaul connectivity at sub-THz frequencies. First, we develop a generalized statistical model for…

信息论 · 计算机科学 2023-11-13 Pranay Bhardwaj , S. M. Zafaruddin , Amir Leshem

A robust full-space physical layer security (PLS) transmission scheme is proposed in this paper considering the full-space wiretapping challenge of wireless networks supported by simultaneous transmitting and reflecting reconfigurable…

信息论 · 计算机科学 2025-03-18 Han Xiao , Xiaoyan Hu , Ang Li , Wenjie Wang , Kun Yang

Physical layer security (PLS) is critically important for emerging wireless communication networks to maintain the confidentiality of the information of legitimate users. In this paper, we investigate enhancing PLS in an unmanned aerial…

信息论 · 计算机科学 2018-12-05 Nadisanka Rupasinghe , Yavuz Yapici , Ismail Guvenc , Huaiyu Dai , Arupjyoti Bhuyan

Secure communications is becoming increasingly relevant in the development of space technology. Well established cryptographic technology is already in place and is expected to continue to be so. On the other hand, information theoretical…

信息论 · 计算机科学 2018-05-22 Angeles Vazquez-Castro , Masahito Hayashi

Covert communication conceals the transmission of the message from an attentive adversary. Recent work on the limits of covert communication in additive white Gaussian noise (AWGN) channels has demonstrated that a covert transmitter (Alice)…

信息论 · 计算机科学 2018-09-25 Ramin Soltani , Dennis Goeckel , Don Towsley , Boulat Bash , Saikat Guha

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

The problem of identification over a discrete memoryless wiretap channel is examined under the criterion of semantic effective secrecy. This secrecy criterion guarantees both the requirement of semantic secrecy and of stealthy…

The THz band (0.1-10 THz) has attracted considerable attention for next-generation wireless communications, due to the large amount of available bandwidth that may be key to meet the rapidly increasing data rate requirements. Before…

A wiretap channel is served as the fundamental model of physical layer security techniques, where the secrecy capacity of the Gaussian wiretap channel is proven to be achieved by Gaussian input. However, there remains a gap between the…

信息论 · 计算机科学 2024-11-12 Li Shen , Yongpeng Wu , Peihong Yuan , Chengshan Xiao , Xiang-Gen Xia , Wenjun Zhang

The rapid evolution of communication technologies and the emergence of sixth-generation (6G) networks have introduced unprecedented opportunities for ultra-reliable, low-latency, and energy-efficient communication. However, the integration…

信息论 · 计算机科学 2025-01-17 Farshad Rostami Ghadi , Masoud Kaveh , Kai-Kit Wong , Diego Martin , Riku Jantti , Zheng Yan