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Electronics
Special Issues
Enhancing Security, Reliability and Service Quality for IoT-Based Systems
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Enhancing Security, Reliability and Service Quality for IoT-Based Systems

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Computer Science & Engineering".

Deadline for manuscript submissions: 31 December 2025 | Viewed by 474

Special Issue Editor

Dr. Zhaowei Tan

E-Mail Website
Guest Editor
Department of Computer Science and Engineering, University of California, Riverside, CA 92521, USA
Interests: Internet of Things; system security; mobile networking; wireless networked systems

Special Issue Information

Dear Colleagues,

The rapid adoption of IoT-based systems across various industry sectors has brought significant benefits; however, new challenges have also emerged. As these systems scale up and integrate more devices, ensuring their security, reliability, and service quality has become a critical concern. This Special Issue invites researchers to explore advanced techniques and innovative solutions to address the growing need for secure and reliable IoT infrastructures. We also encourage experts to share their experiences and visions to stimulate further discussion. Given the interdisciplinary nature of IoT-based systems, contributions from multiple perspectives are welcome. Topics of interest include, but are not limited to, enhancing data privacy, detecting and mitigating cyberattacks, improving network and system resilience, and optimizing service quality through intelligent resource management and fault-tolerant mechanisms.

Dr. Zhaowei Tan
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

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. Electronics 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 2400 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

  • IoT-based systems building
  • IoT network security
  • cybersecurity for IoT systems
  • privacy in IoT communication
  • reliable IoT systems
  • IoT network resilience
  • quality of service (QoS) in IoT
  • resource management in IoT
  • intelligent IoT applications
  • IoT network slicing

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Published Papers (1 paper)

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Research

19 pages, 4401 KiB  
Article
An Integrated RF Sensor Design for Anchor-Free Collaborative Localization in GNSS-Denied Environments
by Di Bai, Xinran Li, Lingyun Zhou, Chunyong Yang, Yongqiang Cui, Liyun Bai and Yunhao Chen
Electronics 2025, 14(8), 1667; https://doi.org/10.3390/electronics14081667 - 20 Apr 2025
Viewed by 270
Abstract
To address the challenge of collaborative nodes being unable to accurately perceive each other’s positions in global navigation satellite system (GNSS)-denied environments (such as after hostile interference or in urban canyons), we propose a GNSS-independent collaborative positioning radio frequency (RF) sensor. This sensor [...] Read more.
To address the challenge of collaborative nodes being unable to accurately perceive each other’s positions in global navigation satellite system (GNSS)-denied environments (such as after hostile interference or in urban canyons), we propose a GNSS-independent collaborative positioning radio frequency (RF) sensor. This sensor estimates inter-node distances and orientations using wireless measurements between nodes, without requiring pre-deployed anchor points. First, we designed a low-nanosecond latency ranging logic circuit on field-programmable gate array (FPGA) hardware, enabling relative distance estimation between nodes via a low-latency collaborative ranging (LLCR) algorithm without synchronization. Additionally, a synthetic aperture rotating antenna system was built to construct an echo space energy distribution matrix, based on dynamic–static dual-channel phase differences for high-precision, unambiguous azimuth measurement, followed by angle and distance data integration for localization. Then, a novel RF sensor hardware system was designed that was lightweight, low in cost, and high in performance. Finally, two generations of prototype models were developed and tested in both an anechoic chamber and mounted on unmanned vehicles outdoors in fields. The results demonstrate that the proposed sensor can achieve high-precision relative position estimation between collaborative nodes in the absence of GNSS, with a positioning error of within 0.4 m, indicating that it is suitable for mounting on unmanned vehicles and other autonomous systems for collaborative positioning. Full article
(This article belongs to the Special Issue Enhancing Security, Reliability and Service Quality for IoT-Based Systems)
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