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Electronics
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New Trends and Methods in Communication Systems, 2nd Edition
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New Trends and Methods in Communication Systems, 2nd Edition

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Microwave and Wireless Communications".

Deadline for manuscript submissions: closed (15 June 2025) | Viewed by 2680

Special Issue Editors

Dr. Angela Digulescu

E-Mail Website
Guest Editor
Telecommunications and Information Technology Department, Military Technical Academy “Ferdinand I”, 050141 Bucharest, Romania
Interests: signal processing; radio communications; data transmission
Special Issues, Collections and Topics in MDPI journals
Dr. Annamaria Sarbu

E-Mail Website
Guest Editor
The Faculty of Military Management, "Nicolae Balcescu" Land Forces Academy, 550170 Sibiu, Romania
Interests: signals and systems; measurements in electronics and telecommunications; circuit analysis and synthesis
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Marco Donald Migliore

E-Mail Website
Guest Editor
DIEI, Universitá di Cassino e del Lazio Meridionale, Via Di Biasio and ELEDIA@UniCAS, 03043 Cassino, Italy
Interests: antennas and propagation; fast antenna diagnosis; MIMO antennas; 5G communications
Special Issues, Collections and Topics in MDPI journals
Dr. Cornel Ioana

E-Mail Website
Guest Editor
Gipsa-Lab, Universite Grenoble Alpes, Saint Martin d'Heres, 38400 Grenoble, France
Interests: compressed sensing; signal reconstruction; time-frequency analysis; Fourier transforms; bathymetry; signal representation; sonar imaging; acoustic imaging; acoustic signal processing; acoustic wave interferometers; array signal processing; frequency modulation; measurement uncertainty; oceanographic techniques; polynomials; quantisation (signal); signal resolution; sonar detection; sonar signal processing; underwater sound; doppler shift; Gaussian processes; acoustic measurement; acoustic noise; angular measurement
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In the last three decades, communication systems have seen exponential development and growth, and therefore, their technologies and principles have evolved enormously. Starting from analogic communications, such as the classical circuit switch telephone, contemporary communication technologies have arrived at 4G/5G technology, where video streaming is widely available. In this Special Issue, both the methods and trends in communication systems are of great interest, and significant contributions in this area are most welcome. The topics covered in this Special Issue include, but are not limited to, the latest developments in the field of advanced signal processing methods, radio communication technologies, electronic systems, non-linear system analysis, artificial intelligence, wireless communications, and the Internet of Things. We kindly invite experimentalists and theorists to submit their high-quality manuscripts for publication in this Special Issue.

Dr. Angela Digulescu
Dr. Annamaria Sarbu
Prof. Dr. Marco Donald Migliore
Dr. Cornel Ioana
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. 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

  • advanced signal processin
  • radio communications
  • non-linear system analysis
  • artificial intelligence
  • wireless communications
  • Internet of Things
  • 5G communications

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Related Special Issue

Published Papers (2 papers)

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Research

12 pages, 2618 KB  
Article
Modeling S-Band Communication Window Using Random Distributed Raman Laser Amplifier
by Paweł Rosa
Electronics 2025, 14(17), 3527; https://doi.org/10.3390/electronics14173527 - 4 Sep 2025
Viewed by 440
Abstract
This study simulates an open-cavity random distributed Raman amplifier for optimal performance across a 5 THz S-band spectrum (196.2–201.1 THz; 1490.76–1527.99 nm), evaluating its capacity via a 50-channel WDM grid with 100 GHz spacing. The primary Raman pump wavelength was tuned from 1318 [...] Read more.
This study simulates an open-cavity random distributed Raman amplifier for optimal performance across a 5 THz S-band spectrum (196.2–201.1 THz; 1490.76–1527.99 nm), evaluating its capacity via a 50-channel WDM grid with 100 GHz spacing. The primary Raman pump wavelength was tuned from 1318 to 1344 nm to identify the optimal point. A Fiber Bragg Grating (FBG), placed at the end of a 60 km single-mode fiber and upshifted 88 nm from the pump, enhances efficiency by transferring energy to the amplified signal, minimizing power variation. Results yield < 2 dB gain ripple across channels using raw Raman amplification without flattening filters with minor degradation from residual channels, confirming the DRA design’s viability for high-density S-band optical communication expansion. Full article
(This article belongs to the Special Issue New Trends and Methods in Communication Systems, 2nd Edition)
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18 pages, 683 KB  
Article
Outdoor-to-Indoor mmWave Relaying with Massive MIMO: Impact of Imperfect Channel Estimation
by Nawal Bounouader, Houda Chafnaji and Mustapha Benjillali
Electronics 2024, 13(10), 1857; https://doi.org/10.3390/electronics13101857 - 10 May 2024
Cited by 1 | Viewed by 1435
Abstract
Assuming incomplete knowledge of the channel state information (CSI), we investigate two scenarios involving millimeter wave (mmWave) relaying to support outdoor-to-indoor communications. We proceed to derive the average signal-to-noise ratio (SNR) expressions for two relaying scenarios and quantify the asymptotic SNR. The performance [...] Read more.
Assuming incomplete knowledge of the channel state information (CSI), we investigate two scenarios involving millimeter wave (mmWave) relaying to support outdoor-to-indoor communications. We proceed to derive the average signal-to-noise ratio (SNR) expressions for two relaying scenarios and quantify the asymptotic SNR. The performance of the two relaying scenarios is evaluated using the outage probability—for which we have derived closed-form equations—the end-to-end channel capacity, and the energy efficiency. The obtained results are compared with those derived assuming complete knowledge of the CSI. The effect of the imperfect CSI is therefore assessed in relation to the reference of perfect CSI. In these scenarios, an outside base station (BS) in an urban cellular network serves several indoor users. In the context of a two-hop full-duplex (FD) relaying scheme, we initially suggest a method in which the base station (BS) utilizes zero-forcing (ZF) precoding, and we take into account the overall channel response. Furthermore, we make the assumption that the base station (BS) engages in precoding only depending on the response of the channel in the first hop; in this second design, the relay precodes (using the response of the second-hop channel), amplifies, and sends the signals. Both techniques utilize massive multiple-input–multiple-output (mMIMO) arrays to permit transmission. We also present Monte Carlo simulation results to assess the accuracy of our analytical results. Finally, the two systems are compared in terms of channel estimation and precoding complexity, the number of antennas, as well as the number of users. Practical deployment recommendations are formulated at the end of this work. Full article
(This article belongs to the Special Issue New Trends and Methods in Communication Systems, 2nd Edition)
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