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Physical layer key generation based on reciprocal and random wireless channels has been an attractive solution for securing resource-constrained low-power wide-area networks (LPWANs). When quantizing channel measurements, namely received…

Signal Processing · Electrical Eng. & Systems 2023-10-13 Chen Chen , Junqing Zhang , Yingying Chen

Low-power wide area networks (LPWANs), such as LoRa, are fast emerging as the preferred networking technology for large-scale Internet of Things deployments (e.g., smart cities). Due to long communication range and ultra low power…

Cryptography and Security · Computer Science 2019-11-26 Patrick Leu , Ivan Puddu , Aanjhan Ranganathan , Srdjan Capkun

Physical layer key generation technology which leverages channel randomness to generate secret keys has attracted extensive attentions in long range (LoRa)-based networks recently. We in this paper develop a software-defined radio (SDR)…

Signal Processing · Electrical Eng. & Systems 2023-08-31 Yingying Hu , Dongyang Xu , Tiantian Zhang

Low power wide area network technologies (LPWANs) are attracting attention because they fulfill the need for long range low power communication for the Internet of Things. LoRa is one of the proprietary LPWAN physical layer (PHY)…

Information Theory · Computer Science 2019-02-21 Reza Ghanaatian , Orion Afisiadis , Matthieu Cotting , Andreas Burg

Physical layer approaches for generating secret encryption keys for wireless systems using channel information have attracted increased interest from researchers in recent years. This paper presents a new approach for calculating…

Information Theory · Computer Science 2023-07-11 John A. Snoap

Low Power Wide Area Networks (LPWAN) are wireless connectivity solutions for Internet-of-Things (IoT) applications, including industrial automation. Among the several LPWAN technologies, LoRaWAN has been extensively addressed by the…

Networking and Internet Architecture · Computer Science 2020-01-24 Jean Michel de Souza Sant'Ana , Arliones Hoeller , Richard Demo Souza , Samuel Montejo-Sánchez , Hirley Alves , Mario de Noronha Neto

We design and analyze a method to extract secret keys from the randomness inherent to wireless channels. We study a channel model for multipath wireless channel and exploit the channel diversity in generating secret key bits. We compare the…

Cryptography and Security · Computer Science 2012-07-03 Yanpei Liu , Stark C. Draper , Akbar M. Sayeed

This paper studies a specific low-power wireless technology capable of reaching a long range, namely LoRa. Such a technology can be used by different applications in cities involving many transmitting devices while requiring loose…

Signal Processing · Electrical Eng. & Systems 2018-03-07 Mauricio C. Tomé , Pedro H. J. Nardelli , Hirley Alves

This manuscript aims to generate a secret key for a PHY layer to evaluate the channel characteristics in wireless communications. An algorithmic approach is adopted for multimedia encryption to generate a secret key between two entities…

Cryptography and Security · Computer Science 2013-08-07 B. U. V Prashanth , Y. Pandurangaiah

Low Power Wide Area Networks (LPWAN) have been used to support low cost and mobile bi-directional communications for the Internet of Things (IoT), smart city and a wide range of industrial applications. A primary security concern of LPWAN…

Cryptography and Security · Computer Science 2020-07-01 Debraj Basu , Tianbo Gu , Prasant Mohapatra

Secret-key generation in a wireless environment exploiting the randomness and reciprocity of the channel gains is considered. A new channel model is proposed which takes into account the effect of reflections (or re-radiations) from receive…

Information Theory · Computer Science 2013-08-07 Hendrik Vogt , Aydin Sezgin

Low Power Wide Area (LPWA) networks are making spectacular progress from design, standardisation, to commercialisation. At this time of fast-paced adoption, it is of utmost importance to analyse how well these technologies will scale as the…

Networking and Internet Architecture · Computer Science 2017-09-29 Orestis Georgiou , Usman Raza

The physical-layer key generation is a lightweight technique to generate secret keys from wireless channels for resource-constrained Internet of things (IoT) applications. The security of key generation relies on spatial decorrelation,…

Signal Processing · Electrical Eng. & Systems 2023-02-28 Lu Yang , Yansong Gao , Junqing Zhang , Seyit Camtepe , Dhammika Jayalath

Key management in wireless sensor networks faces several new challenges. The scale, resource limitations, and new threats such as node capture necessitate the use of an on-line key generation by the nodes themselves. However, the cost of…

Cryptography and Security · Computer Science 2013-09-23 Matthias Wilhelm , Ivan Martinovic , Jens B. Schmitt

In this paper, a multilayer perceptron guided key generation for encryption/decryption (MLPKG) has been proposed through recursive replacement using mutated character code generation for wireless communication of data/information.…

Cryptography and Security · Computer Science 2012-08-14 Arindam Sarkar , J. K. Mandal

Leakage of information in power line communication networks is a threat to privacy and security both in smart grids and in-home applications. A way to enhance security is to encode the transmitted information with a secret key. Relying on…

Cryptography and Security · Computer Science 2020-04-14 Federico Passerini , Andrea M. Tonello

We revisit the traditional framework of wireless secret key generation, where two parties leverage the wireless channel randomness to establish a secret key. The essence in the framework is to quantify channel randomness into bit sequences…

Cryptography and Security · Computer Science 2021-06-16 Zhe Qu , Shangqing Zhao , Jie Xu , Zhuo Lu , Yao Liu

Low-power wide-area network (LPWAN) technologies featuring long-range communication capability and low power consumption will be important for forming the Internet of Things (IoT) consisting of many geographically distributed objects. Among…

Networking and Internet Architecture · Computer Science 2019-01-03 Chaojie Gu , Linshan Jiang , Rui Tan

Wireless key generation holds significant promise for establishing cryptographic keys in Next-Gen Internet of Vehicles (IoV) systems. However, existing approaches often face inefficiencies and performance limitations caused by frequent…

Networking and Internet Architecture · Computer Science 2025-02-25 Huanqi Yang , Weitao Xu

Physical-layer key generation (PLKG) has emerged as a promising technique to secure next-generation wireless networks by exploiting the inherent properties of the wireless channel. However, PLKG faces fundamental challenges in the…

Signal Processing · Electrical Eng. & Systems 2025-08-27 Poorya Mollahosseini , Yasaman Ghasempour
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