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Telecom
Special Issues
Modern Circuits and Systems Technologies on Communications 2021
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Modern Circuits and Systems Technologies on Communications 2021

A special issue of Telecom (ISSN 2673-4001).

Deadline for manuscript submissions: closed (31 December 2021) | Viewed by 9619

Special Issue Editors

Prof. Dr. Sotirios K. Goudos

E-Mail Website
Guest Editor
Department of Physics, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
Interests: antenna design; microwave components design; wireless communications; evolutionary algorithms; machine learning
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. George K. Karagiannidis

grade E-Mail Website
Guest Editor
Department of Electrical and Computer Engineering, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
Interests: wireless communications; wireless power transfer and applications; optical wireless communications; communications for biomedical engineering; wireless security
Special Issues, Collections and Topics in MDPI journals
Dr. Panagiotis Sarigiannidis

E-Mail Website
Guest Editor
Department of Electrical and Computer Engineering, University of Western Macedonia, 50100 Kozani, Greece
Interests: IoT; 5G mobile communication; UAV; quality of service; radio access networks; computer network security; radio networks; artificial intelligence
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The 10th International Conference on Modern Circuit and System Technologies on Electronics and Communications (MOCAST 2021) will take place in Thessaloniki, Greece from July 5 to 7, 2021. MOCAST’s technical program includes all aspects of communications and network technologies from antenna design, propagation modeling, wireless communications, network systems and applications. This Special Issue aims to publish extented versions of papers in the area of communications from the conference. Potential topics include but are not limited to the following:

  • Antenna design
  • Propagation
  • Communications systems
  • Wireless Communications
  • Network systems

Prof. Dr. Sotirios K. Goudos
Prof. Dr. George K. Karagiannidis
Prof. Dr. Panagiotis Sarigiannidis
Guest Editors

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. Telecom is an international peer-reviewed open access quarterly 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 1200 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

  • antenna design
  • propagation
  • wireless communications
  • network systems

Published Papers (3 papers)

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14 pages, 1665 KiB  
Article
Channel Modeling for In-Body Optical Wireless Communications
by Stylianos E. Trevlakis, Alexandros-Apostolos A. Boulogeorgos, Nestor D. Chatzidiamantis and George K. Karagiannidis
Telecom 2022, 3(1), 136-149; https://doi.org/10.3390/telecom3010009 - 04 Feb 2022
Cited by 3 | Viewed by 2272
Abstract
Next generation in-to-out-of body biomedical applications have adopted optical wireless communications (OWCs). However, by delving into the published literature, a gap is recognized in modeling the in-to-out-of channel, since most published contributions neglect the particularities of different types of tissues. In this paper, [...] Read more.
Next generation in-to-out-of body biomedical applications have adopted optical wireless communications (OWCs). However, by delving into the published literature, a gap is recognized in modeling the in-to-out-of channel, since most published contributions neglect the particularities of different types of tissues. In this paper, we present a novel pathloss and scattering models for in-to-out-of OWC links. Specifically, we derive extract analytical expressions that accurately describe the absorption of the five main tissues’ constituents, namely fat, water, melanin, and oxygenated and de-oxygenated blood. Moreover, we formulate a model for the calculation of the absorption coefficient of any generic biological tissue. Next, by incorporating the impact of scattering in the aforementioned model, we formulate the complete pathloss model. The developed model is verified by means of comparisons between the estimated pathloss and experimental measurements from independent research works. Finally, we illustrate the accuracy of the proposed model in estimating the optical properties of any generic tissue based on its constitution. The extracted channel model is expected to enable link budget analysis, performance analysis, and theoretical framework development, which will boost the design of optimized communication protocols for a plethora of biomedical applications. Full article
(This article belongs to the Special Issue Modern Circuits and Systems Technologies on Communications 2021)
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17 pages, 4982 KiB  
Article
Wireless Sensor Networks for Building Information Modeling
by Dimitrios Kontaxis, George Tsoulos, Georgia Athanasiadou and Giorgos Giannakis
Telecom 2022, 3(1), 118-134; https://doi.org/10.3390/telecom3010007 - 02 Feb 2022
Cited by 4 | Viewed by 3414
Abstract
Building Information Modeling (BIM) is a critical element for the “digitalization” of the construction industry and can be exploited for energy-driven renovation procedures of existing residences. Advancing beyond a BIM with data-capturing capabilities that are limited to building static information only requires sensor [...] Read more.
Building Information Modeling (BIM) is a critical element for the “digitalization” of the construction industry and can be exploited for energy-driven renovation procedures of existing residences. Advancing beyond a BIM with data-capturing capabilities that are limited to building static information only requires sensor data streams related to indoor/outdoor ambient conditions, as well as to energy-consumption parameters of the residences. The data streams require the deployment of robust Wireless Sensor Networks (WSNs) that are able to capture and transmit real-time data to appropriate cloud-based renovation toolkits. The technology and topology of such networks are addressed herein. The paper sets the lines for similar installations that are required by the construction industry for collecting dynamic data, since it is based on the outcome of real-world WSN installations in pilot sites in three European countries, carried out in the context of a major collaborative BIM research project. An application example of the WSN data is also provided in the context of training occupant behavior models in order to demonstrate the use of the measured data. Full article
(This article belongs to the Special Issue Modern Circuits and Systems Technologies on Communications 2021)
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16 pages, 15390 KiB  
Article
A Novel Dual-Band Implantable Antenna for Pancreas Telemetry Sensor Applications
by Maria Matthaiou, Stavros Koulouridis and Stavros Kotsopoulos
Telecom 2022, 3(1), 1-16; https://doi.org/10.3390/telecom3010001 - 01 Jan 2022
Cited by 5 | Viewed by 2610
Abstract
In this study, a novel implantable dual-band planar inverted F-antenna (PIFA) is proposed and designed for wireless biotelemetry. The developed antenna is intended to operate on the surface of the pancreas within the Medical Device Radiocommunications Service (MedRadio 401–406 MHz) and the industrial [...] Read more.
In this study, a novel implantable dual-band planar inverted F-antenna (PIFA) is proposed and designed for wireless biotelemetry. The developed antenna is intended to operate on the surface of the pancreas within the Medical Device Radiocommunications Service (MedRadio 401–406 MHz) and the industrial scientific and medical band (ISM, 2.4–2.5 GHz). The design analysis was carried out in two steps, initially inside a canonical model representing the pancreas, based on a finite element method (FEM) numerical solver. The proposed antenna was further simulated inside the human body taking into account the corresponding dimensions of the tissues and the electrical properties at the frequencies of interest using a finite-difference time-domain (FDTD) numerical solver. Resonance, radiation performance, electrical field attenuation, total radiated power, and specific absorption rate (SAR), which determines the safety of the patient and the maximum permissible input power and other electromagnetic parameters, are presented and evaluated. Full article
(This article belongs to the Special Issue Modern Circuits and Systems Technologies on Communications 2021)
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