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Security Challenges in Wireless Sensor Networks and the Internet of Things (IoTs)

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Intelligent Sensors".

Deadline for manuscript submissions: 30 November 2025 | Viewed by 1065

Special Issue Editors


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Guest Editor
Department of Computer Science, E2S UPPA, LIUPPA, University Pau & Pays Adour, 40000 Mont de Marsan, France
Interests: security; IT security; computer security; network security; internet security

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Guest Editor
Department of Computer Science, E2S UPPA, LIUPPA, University Pau & Pays Adour, 64600 Anglet, France
Interests: data management; semantics; digital ecosystems
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Wireless sensor networks (WSNs) and the Internet of Things (IoT) have become increasingly important in a wide range of applications, such as environmental monitoring, healthcare, smart homes, and industrial automation. However, the inherent characteristics of these technologies, such as limited resources, wireless communication, and distributed nature, pose significant security challenges that need to be addressed.

This Special Issue aims to bring together the latest research and advancements in the field of security for WSNs and the IoT. We invite original, high-quality submissions that address the security challenges, solutions, and emerging trends in these domains. Topics of interest include, but are not limited to, the following:

  • Secure data aggregation and processing in WSNs and the IoT;
  • Authentication and access control mechanisms for WSNs and IoT devices;
  • Secure routing and communication protocols for WSNs and the IoT;
  • Intrusion detection and prevention systems for WSNs and the IoT;
  • Cryptographic techniques and key management in WSNs and the IoT;
  • Privacy-preserving techniques for WSNs and the IoT;
  • Malware detection and mitigation in WSN and IoT environments;
  • Secure firmware updates and device management in the IoT;
  • Secure edge and fog computing for WSNs and the IoT;
  • Security and privacy issues in mobile and IoT applications and services;
  • Vulnerability analysis and risk assessment for WSNs and the IoT;
  • Security and privacy standards, guidelines, and best practices for WSNs and the IoT;
  • Case studies and real-world deployments of secure WSNs and IoT systems.

Dr. Laurent Gallon
Prof. Dr. Richard Chbeir
Guest Editors

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sensors is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • security
  • wireless sensor networks
  • Internet of Things

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Published Papers (1 paper)

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Research

16 pages, 335 KiB  
Article
Beamforming for the Cooperative Non-Orthogonal Multiple Access Transmission with Full-Duplex Relaying with Application to Security Attack
by Duckdong Hwang, Sung Sik Nam, Janghoon Yang and Hyoung-Kyu Song
Sensors 2025, 25(4), 1172; https://doi.org/10.3390/s25041172 - 14 Feb 2025
Viewed by 709
Abstract
We investigate the cooperative non-orthogonal multiple access (CNOMA) transmission through a full-duplex (FD) decode-and-forward (DaF) mode relay and propose two sub-optimal beamforming schemes for this CNOMA FD relay channel. For the optimization metric, we use the end-to-end information rate based on the mutual [...] Read more.
We investigate the cooperative non-orthogonal multiple access (CNOMA) transmission through a full-duplex (FD) decode-and-forward (DaF) mode relay and propose two sub-optimal beamforming schemes for this CNOMA FD relay channel. For the optimization metric, we use the end-to-end information rate based on the mutual information from information theory. In addition to the pure CNOMA relay channel, the proposed beamforming schemes are applied to the security attack case as well, where an unauthorized eavesdropper tries to overhear the CNOMA transmission. The FD operation incurs the self-interference (SI) at the relay and the DaF mode along with CNOMA transmission forces the weakest link among the links toward three involved nodes to determine the end-to-end throughput. These facts lay the foundation for the designing and optimization of the beamforming vectors at the access point (AP) and at the relay. The first proposed sub-optimal optimization algorithm for the beamformer relies on the quadratically constrained quadratic problem (QCQP) in its central part, and this OCQP is iteratively applied with different interference level values at the near CNOMA user as the constraint term until some conditions for the design objectives are met. In addition to the first algorithm, a zero-forcing-based beamforming algorithm is proposed for a reference scheme. The proposed two algorithms are slightly modified to address the security-attacked CNOMA FD relay channel when a illegal user overhears the legitimate transmission. Simulation results are presented to advocate for the efficiency of the proposed algorithms for the CNOMA channel both with and without a security attack from an eavesdropper. Full article
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