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We address the problem of inferring the topology of a wireless network using limited observational data. Specifically, we assume that we can detect when a node is transmitting, but no further information regarding the transmission is…

Networking and Internet Architecture · Computer Science 2025-07-03 James Martin , Tristan Pryer , Luca Zanetti

Current security techniques can be implemented with either secret key exchange or physical layer wiretap codes. In this work, we investigate an alternative solution for MIMO wiretap channels. Inspired by the artificial noise (AN) technique,…

Cryptography and Security · Computer Science 2014-10-21 Shuiyin Liu , Yi Hong , Emanuele Viterbo

This paper introduces a systematic and novel mechanism for devising a security attack in the WCN (Wireless Communication Network). The proposed model involves the implementation of the AD (Artificial Dust) by the intruder, followed by the…

Cryptography and Security · Computer Science 2022-07-15 Misbah Shafi , Rakesh Kumar Jha

Achieving the very special condition of perfect absorption (PA) in a complex scattering enclosure promises to enable a wealth of applications in secure communication, precision sensing, wireless power transfer, analog signal processing and…

Classical Physics · Physics 2021-02-09 Mohammadreza F. Imani , David R. Smith , Philipp del Hougne

This paper studies the throughput of large-scale decentralized wireless networks with physical layer security constraints. In particular, we are interested in the question of how much throughput needs to be sacrificed for achieving a…

Information Theory · Computer Science 2016-11-17 Xiangyun Zhou , Radha Krishna Ganti , Jeffrey G. Andrews , Are Hjørungnes

Among the problems to guarantee secrecy for in-transit information, the difficulties involved in renewing cryptographic keys in a secure way using couriers, the perfect secrecy encryption method known as One-Time-Pad (OTP) became almost…

Cryptography and Security · Computer Science 2020-06-02 Geraldo A Barbosa

Nowadays, using cryptographic systems play an effective role in security and safety technologies. One of the most applied kind of cryptography is Symmetric Cryptography and its applications. New aspects of symmetric Cryptography…

Cryptography and Security · Computer Science 2009-12-08 Amin Daneshmand Malayeri , Jalal Abdollahi

We propose and analyze a new shadowing field model meant to capture spatial correlations. The interference field associated with this new model is compared to that of the widely used independent shadowing model. Independent shadowing over…

Information Theory · Computer Science 2017-12-05 Junse Lee , Francois Baccelli

Secure distance measurement and therefore secure Time-of-Arrival (ToA) measurement is critical for applications such as contactless payments, passive-keyless entry and start systems, and navigation systems. This paper initiates the study of…

Cryptography and Security · Computer Science 2019-11-26 Patrick Leu , Mridula Singh , Marc Roeschlin , Kenneth G. Paterson , Srdjan Capkun

Non-orthogonal multiple access (NOMA) is a promising solution for secure transmission under massive access. However, in addition to the uncertain channel state information (CSI) of the eavesdroppers due to their passive nature, the CSI of…

Information Theory · Computer Science 2020-07-28 Zongze Li , Minghua Xia , Miaowen Wen , Yik-Chung Wu

In wireless sensor networks (WSNs), security has a vital importance. Recently, there was a huge interest to propose security solutions in WSNs because of their applications in both civilian and military domains. Adversaries can launch…

Cryptography and Security · Computer Science 2014-12-01 Mohamed-Lamine Messai

Software-defined networking (SDN) is a promising technology to overcome many challenges in wireless sensor networks (WSN), particularly with respect to flexibility and reuse. Conversely, the centralization and the planes' separation turn…

Cryptography and Security · Computer Science 2020-03-27 Gustavo A. Nunez Segura , Sotiris Skaperas , Arsenia Chorti , Lefteris Mamatas , Cintia Borges Margi

The Global Wearable market is anticipated to rise at a considerable rate in the next coming years and communication is a fundamental block in any wearable device. In communication, encryption methods are being used with the aid of…

Cryptography and Security · Computer Science 2023-05-29 Rahul Vishwakarma , Ravi Monani , Amin Rezaei , Hossein Sayadi , Mehrdad Aliasgari , Ava Hedayatipour

Providing security guarantees for wireless communication is critically important for today's applications. While previous work in this area has concentrated on radio frequency (RF) channels, providing security guarantees for RF channels is…

Information Theory · Computer Science 2015-03-13 Amine Laourine , Aaron B. Wagner

Direct transport processes play an important role in wireless communications where an ideal setup uses microwave fields to establish reliable communication channels between transmitter and receiver. But it is inherent to the problem that…

Disordered Systems and Neural Networks · Physics 2020-09-16 Martin Richter , Fabrice Mortessagne , Olivier Legrand , Ulrich Kuhl

Security against eavesdropping is one of the key concerns in the design of any communication system. Many common considerations of the security of a wireless communication channel rely on comparing the signal level measured by Bob (the…

Security is a critical and vital task in wireless sensor networks, therefore different key management systems have been proposed, many of which are based on symmetric cryptography. Such systems are very energy efficient, but they lack some…

Cryptography and Security · Computer Science 2017-01-23 Hamzeh Ghasemzadeh , Ali Payandeh , Mohammad Reza Aref

The increase in antenna apertures and transmission frequencies in next-generation wireless networks is catalyzing advancements in near-field communications (NFC). In this paper, we investigate secure transmission in near-field multi-user…

Information Theory · Computer Science 2025-05-09 Zihao Teng , Jiancheng An , Christos Masouros , Hongbin Li , Lu Gan , Derrick Wing Kwan Ng

Currently most progresses on quantum secret sharing suffer from rate-distance bound, and thus the key rates are limited. In addition to the limited key rate, the technical difficulty and the corresponding cost together prevent large-scale…

Quantum Physics · Physics 2023-10-09 Chen-Long Li , Yao Fu , Wen-Bo Liu , Yuan-Mei Xie , Bing-Hong Li , Min-Gang Zhou , Hua-Lei Yin , Zeng-Bing Chen

We address the challenging problem of estimating the directions-of-arrival (DOAs) of multiple off-grid signals using a single snapshot of one-bit quantized measurements. Conventional DOA estimation methods face difficulties in tackling this…

Signal Processing · Electrical Eng. & Systems 2025-10-23 Yunqiao Hu , Shunqiao Sun , Yimin D. Zhang