中文
相关论文

相关论文: Wireless Physical Layer Security with Imperfect Ch…

200 篇论文

Since security has been one of the crucial issues for high-yield communications such as 5G and 6G, the researchers continuously come up with newer techniques to enhance the security and performance of these progressive wireless…

信息论 · 计算机科学 2021-12-14 T. Hossain , S. Shabab , A. S. M. Badrudduza , M. K. Kundu , I. S. Ansari

Noncoherent communication is a promising paradigm for future wireless systems where acquiring accurate channel state information (CSI) is challenging or infeasible. It provides methods to bypass the need for explicit channel estimation in…

Quantum communication systems support unique applications in the form of distributed quantum computing, distributed quantum sensing, and several cryptographic protocols. The main enabler in these communication systems is an efficient…

量子物理 · 物理学 2024-07-15 Seid Koudia , Leonardo Oleynik , Mert Bayraktar , Junaid ur Rehman , Symeon Chatzinotas

The physical layer (PHY) in wireless communication systems has traditionally relied on model-based methods that are often optimized individually as independent blocks to perform tasks such as modulation, coding, and channel estimation.…

In this paper, we consider the problem of secure and reliable communication with uncertain channel state information (CSI) and present a new solution named active secure coding which combines the machine learning methods with the…

信息论 · 计算机科学 2020-04-14 Yizhi Zhao

Wireless signals are commonly used for communications. Emerging applications are giving new functions to wireless signals, in which wireless sensing is the most attractive one. Channel state information (CSI) is not only the parameter for…

信号处理 · 电气工程与系统科学 2021-12-22 Tongyang Xu

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

In this paper, intelligent reflecting surfaces (IRSs) are employed to enhance the physical layer security in a challenging radio environment. In particular, a multi-antenna access point (AP) has to serve multiple single-antenna legitimate…

信息论 · 计算机科学 2020-04-21 Xianghao Yu , Dongfang Xu , Ying Sun , Derrick Wing Kwan Ng , Robert Schober

This paper investigates physical layer security for a large-scale WSN with random multiple access, where each fusion center in the network randomly schedules a number of sensors to upload their sensed data subject to the overhearing of…

信息论 · 计算机科学 2022-04-14 Tong-Xing Zheng , Xin Chen , Chao Wang , Kai-Kit Wong , Jinhong Yuan

A main distinguishing feature of a wireless network compared with a wired network is its broadcast nature, in which the signal transmitted by a node may reach several other nodes, and a node may receive signals from several other nodes,…

网络与互联网体系结构 · 计算机科学 2009-10-15 Zhang Shengli , Soung Chang Liew

In this paper, we study the physical layer security (PLS) problem in the dual hop orthogonal frequency division multiplexing (OFDM) based wireless communication system. First, we consider a single user single relay system and study a joint…

信息论 · 计算机科学 2018-03-15 Waqas Aman , Guftaar Ahmad Sardar Sidhu , Haji M. Furqan , Zain Ali

In this paper, we investigate for the first time the benefits of wireless caching for the physical layer security (PLS) of wireless networks. In particular, a caching scheme enabling power-efficient PLS is proposed for cellular video…

信息论 · 计算机科学 2016-12-06 Lin Xiang , Derrick Wing Kwan Ng , Robert Schober , Vincent W. S. Wong

Employing reconfigurable intelligent surfaces (RIS) is emerging as a game-changer candidate, thanks to their unique capabilities in improving the power efficiency and supporting the ubiquity of future wireless communication systems.…

信息论 · 计算机科学 2020-10-14 Abdullateef Almohamad , Ayman Al-Kababji , Anas Tahir , Tamer Khattab , Mazen Hasna

To ensure secure and reliable communication in wireless systems, authenticating the identities of numerous nodes is imperative. Traditional cryptography-based authentication methods suffer from issues such as low compatibility, reliability,…

密码学与安全 · 计算机科学 2024-12-04 Rui Meng , Bingxuan Xu , Xiaodong Xu , Mengying Sun , Bizhu Wang , Shujun Han , Suyu Lv , Ping Zhang

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

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 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

Reconfigurable intelligent surface (RIS) has emerged as a key enabler for providing signal coverage, energy efficiency, reliable communication, and physical layer security (PLS) in next-generation wireless communication networks. This paper…

信号处理 · 电气工程与系统科学 2025-12-01 Ahmet Muaz Aktas , Sefa Kayraklik , Sultangali Arzykulov , Galymzhan Nauryzbayev , Ibrahim Hokelek , Ali Gorcin

Cooperative jamming is an approach that has been recently proposed for improving physical layer based security for wireless networks in the presence of an eavesdropper. While the source transmits its message to its destination, a relay node…

信息论 · 计算机科学 2009-07-30 Lun Dong , Zhu Han , Athina P. Petropulu , H. Vincent Poor

This work investigates the impact of the ever-present electromagnetic interference (EMI) on the achievable secrecy performance of reconfigurable intelligent surface (RIS)-aided communication systems. We characterize the end-to-end RIS…

信息论 · 计算机科学 2022-03-17 José David Vega Sánchez , Georges Kaddoum , F. Javier López-Martínez
‹ 上一页 1 8 9 10 下一页 ›