Trends and Prospects for Wireless Sensor Networks and IoT

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Computing and Artificial Intelligence".

Deadline for manuscript submissions: 20 June 2024 | Viewed by 2317

Special Issue Editors


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Guest Editor
Department of Telecommunications, University Politehnica of Bucharest, 060042 Bucharest, Romania
Interests: internet of things; mobile communications; wireless networks; communications security; radio propagation
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Guest Editor
Department of Telecommunications, University Politehnica of Bucharest, 060042 Bucharest, Romania
Interests: signal processing; internet of things; mobile communications; wireless systems; communications security
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Guest Editor
Department of Business Development and Technology, Aarhus University, 7400 Herning, Denmark
Interests: 5G/6G systems; mobile communications; IoT; radio access networks
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Faculty of Telecommunications, Technical University of Sofia, 1000 Sofia, Bulgaria
Interests: mobile communications; radio access network; spectrum sensing

Special Issue Information

Dear Colleagues,

The use of the wireless sensor networks (WSN), especially as part of the so-called Internet of Things (IoT) systems and applications, has experienced an exponential growth during recent years. More and more monitoring and management systems are using such approaches, including robotic systems, automated systems and a variety of others. This period has seen the accomplishment of a continuous integration between sensing devices, communication and management networks and automated systems. This trend is driven not only by progress in computing and sensing technologies, such as technological progress in low-energy consumption and energy harvesting, but also in the new capabilities offered by the new communications systems generations, such as 5 / 6G systems that are currently under development. This has given additional support with the increase in automated systems capabilities, based on new achievements in artificial intelligence (AI) and augmented reality (AR) achievements. Additionally, it is expected that all these trends will be accelerated by the economic crisis caused by the COVID-19 pandemic and the overloading of supply chains. Moreover, the impact of the present war in the Eastern Europe and the tensions from East Asia are accelerating the developments in the areas of green technology and enhanced energy management.

Targeting all the elements highlighted above, the present Special Issue intends to contribute to dealing with the challenges in and evolutions of wireless sensor networks (WSN) and Internet of Things (IoT) technologies and their applications.

Prof. Dr. Octavian Fratu
Prof. Dr. Simona Halunga
Dr. Albena Mihovska
Prof. Dr. Vladimir Poulkov
Guest Editors

Manuscript Submission Information

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Keywords

  • wireless sensor networks (WSN)
  • Internet of Things (IoT)
  • low-power wide-area networks (LPWAN)
  • 5G & 6G Cellular WSN
  • ultra-reliable and low-latency communication (URLLC)
  • critical infrastructure
  • smart applications
  • edge/fog computing

Published Papers (2 papers)

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Research

27 pages, 4401 KiB  
Article
Timing Analyses in FWE Evaluation
by Maria Sîrbu-Drăgan, Diana Brînaru and Simona Halunga
Appl. Sci. 2023, 13(24), 13008; https://doi.org/10.3390/app132413008 - 6 Dec 2023
Viewed by 562
Abstract
This paper presents several conclusions based on time domain analysis of the simulation results of several transmission lines that use frequency-dependent dielectrics, highlighting the fiberglass effect on performance. The matching conditions of the circuit are checked based on a Smith chart simulation that [...] Read more.
This paper presents several conclusions based on time domain analysis of the simulation results of several transmission lines that use frequency-dependent dielectrics, highlighting the fiberglass effect on performance. The matching conditions of the circuit are checked based on a Smith chart simulation that represents the magnitude of the reflection coefficient via scattering parameters. A time domain analysis is provided by means of the eye diagram, which allows the study of the rise and fall time, jitter, and eye height and width of the two materials considered to be appropriate for the examination of composite substrates: one conventional substrate, FR4, and one more oriented to high-speed design constraints, N4000-13. Time domain analyses highlight the effect of increasing the rate for our purpose on the composite substrate for coupled or single-ended interconnections or routes on PCBs. Full article
(This article belongs to the Special Issue Trends and Prospects for Wireless Sensor Networks and IoT)
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25 pages, 3376 KiB  
Article
Intelligent Jammer on Mobile Network LTE Technology: A Study Case in Bucharest
by Cristian Capotă, Mădălin Popescu, Eduard-Marian Bădulă, Simona Halunga, Octavian Fratu and Mircea Popescu
Appl. Sci. 2023, 13(22), 12286; https://doi.org/10.3390/app132212286 - 13 Nov 2023
Viewed by 1235
Abstract
The purpose of this study was to develop a laboratory model that enables the monitoring of communications carried out through mobile phones and their blocking in cases where it is prohibited. The main goal was to realise an intelligent jammer that blocks only [...] Read more.
The purpose of this study was to develop a laboratory model that enables the monitoring of communications carried out through mobile phones and their blocking in cases where it is prohibited. The main goal was to realise an intelligent jammer that blocks only illicit communications. The jammer was built with a software-defined radio (SDR) that can be found on the market and is accessible from a financial point of view. This study consisted of an analysis of the behaviour of mobile phones and mobile networks using the long-term evolution (LTE) of UMTS technologies so that the jamming technique can disrupt the communication of the cellular mobile system by using the software-defined radio and Python ecosystem. Because the 5G standalone (5G SA) is not yet implemented in Romania, we could not start developing a laboratory model for jamming this technology. When 5G SA is implemented, we will adapt this intelligent jamming solution to the new technology. Full article
(This article belongs to the Special Issue Trends and Prospects for Wireless Sensor Networks and IoT)
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