English
Related papers

Related papers: On Securing MAC Layer Broadcast Signals Against Co…

200 papers

Smart jamming attacks on cellular campus networks represent an enormous potential threat, especially in the industrial environment. In complex production processes, the disruption of a single wireless connected Cyber-Physical System (CPS)…

Networking and Internet Architecture · Computer Science 2024-10-14 J. R. Stegmann , M. Gundall , H. D. Schotten

Massive multiple-input multiple-output communications can achieve high-level security by concentrating radio frequency signals towards the legitimate users. However, this system is vulnerable in a Rician fading environment if the…

Information Theory · Computer Science 2020-04-28 Shuai Wang , Miaowen Wen , Minghua Xia , Rui Wang , Qi Hao , Yik-Chung Wu

This paper investigates the security enhancement of an intelligent reflecting surface (IRS) assisted non-orthogonal multiple access (NOMA) network, where a distributed IRS enabled NOMA transmission framework is proposed to serve users…

Information Theory · Computer Science 2021-04-16 Zheng Zhang , Jian Chen , Qingqing Wu , Yuanwei Liu , Lu Lv , Xunqi Su

A significant technical challenge in deploying femtocells is controlling the interference from the underlay of femtos onto the overlay of macros. This paper presents a novel interference control method where the macrocell bandwidth is…

Networking and Internet Architecture · Computer Science 2010-07-13 Sundeep Rangan

Covert communication in wireless networks ensures that transmissions remain undetectable to adversaries, making it a potential enabler for privacy and security in sensitive applications. However, to meet the high performance and…

Signal Processing · Electrical Eng. & Systems 2024-11-26 Fatemeh Lotfi , Stefan Roth , Anas Chaaban , Aydin Sezgin

This report summarizes some considerations on possible evolutions of grant-free random access in the next generation of the 3GPP wireless cellular standard. The analysis is carried out by mapping the problem to the recently-introduced…

This article examines the secrecy coding aided wireless communications from a source to a destination in the presence of an eavesdropper from a security-reliability tradeoff (SRT) perspective. Explicitly, the security is quantified in terms…

Information Theory · Computer Science 2016-11-17 Yulong Zou , Jia Zhu , Xuelong Li , Lajos Hanzo

Compared to cryptography, steganography is a less discussed domain. However, there is a recent trend of exploiting various information hiding techniques to empower malware, for instance to bypass security frameworks of mobile devices or to…

Cryptography and Security · Computer Science 2018-01-03 K. Cabaj , L. Caviglione , W. Mazurczyk , S. Wendzel , A. Woodward , S. Zander

Randomized backoff protocols, such as exponential backoff, are a powerful tool for managing access to a shared resource, often a wireless communication channel (e.g., [1]). For a wireless device to transmit successfully, it uses a backoff…

Data Structures and Algorithms · Computer Science 2022-07-26 Michael A. Bender , Seth Gilbert , Fabian Kuhn , John Kuszmaul , Muriel Médard

Millimeter-wave (mmWave) communication is one of the key enablers of the fifth-generation cellular networks (5G). However, one of the fundamental challenges of mmWave communication is the susceptibility to blockage effects. One way to…

Information Theory · Computer Science 2019-12-30 Yaoshen Cui , Haifan Yin

This letter investigates the secure delivery performance of the rate-splitting multiple access scheme in land mobile satellite (LMS) systems, considering that the private messages intended by a terminal can be eavesdropped by any others…

Information Theory · Computer Science 2023-11-14 Minjue He , Hui Zhao , Xiaqing Miao , Shuai Wang , Gaofeng Pan

In this paper, we study the transmit signal optimization in a multiple-input multiple-output (MIMO) radar system for sensing the angle information of multiple targets via their reflected echo signals. We consider a challenging and practical…

Information Theory · Computer Science 2024-09-16 Jiayi Yao , Shuowen Zhang

Network slicing in 3GPP 5G system architecture has introduced significant improvements in the flexibility and efficiency of mobile communication. However, this new functionality poses challenges in maintaining the privacy of mobile users,…

Cryptography and Security · Computer Science 2023-05-30 Xiangman Li , Miao He , Jianbing Ni

In this paper, the problem of opportunistic spectrum sharing for the next generation of wireless systems empowered by the cloud radio access network (C-RAN) is studied. More precisely, low-priority users employ cooperative spectrum sensing…

Signal Processing · Electrical Eng. & Systems 2019-07-17 Hossein Safi , A. M Montazeri , Javane Rostampoor , Saeedeh Parsaeefard

We propose using Carrier Sensing (CS) for distributed interference management in millimeter-wave (mmWave) cellular networks where spectrum is shared by multiple operators that do not coordinate among themselves. In addition, even the base…

Information Theory · Computer Science 2021-02-25 Shamik Sarkar , Xiang Zhang , Arupjyoti Bhuyan , Mingyue Ji , Sneha Kumar Kasera

Background/Introduction: Integrating cognitive radio (CR) with traditional wireless networks is helping solve the problem of spectrum scarcity in an efficient manner. The opportunistic and dynamic spectrum access features of CR provide the…

Cryptography and Security · Computer Science 2021-12-14 Muneeb Ul Hassan , Mubashir Husain Rehmani , Maaz Rehan , Jinjun Chen

We consider efficient communications over the multiple-input multiple-output (MIMO) multiway distributed relay channel (MDRC) with full data exchange, where each user, equipped with multiple antennas, broadcasts its message to all the other…

Information Theory · Computer Science 2016-12-28 Xiang Zhao , Jianwen Zhang , Yingjun Zhang , Xiaojun Yuan

In this paper, we consider a scenario where a source node wishes to broadcast two confidential messages for two respective receivers via a Gaussian MIMO broadcast channel. A wire-tapper also receives the transmitted signal via another MIMO…

Information Theory · Computer Science 2009-05-01 Ghadamali Bagherikaram , Abolfazl S. Motahari , Amir K. Khandani

Computer network is unpredictable due to information warfare and is prone to various attacks. Such attacks on network compromise the most important attribute, the privacy. Most of such attacks are devised using special communication channel…

Cryptography and Security · Computer Science 2011-01-04 Anjan K , Jibi Abraham , Mamatha Jadhav

The fundamental information-theoretic limits of covert, or low probability of detection/intercept (LPD/LPI), communication have been extensively studied for over a decade, resulting in the square root law (SRL): only $L\sqrt{n}$ covert bits…

Networking and Internet Architecture · Computer Science 2026-03-10 Rohan Bali , Trevor E. Bailey , Michael S. Bullock , Boulat A. Bash
‹ Prev 1 8 9 10 Next ›