Wireless Communications Channel

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

Deadline for manuscript submissions: closed (31 May 2025) | Viewed by 1707

Special Issue Editors


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Guest Editor
Department of Electronic Systems, Norwegian University of Science and Technology, 2815 Gjøvik, Norway
Interests: telecommunication; radio communications; channel models; wireless sensor networks

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Guest Editor
Department of Theory of the Signal and Communication, University of Vigo, 36310 Vigo, Spain
Interests: signal theory and communications

Special Issue Information

Dear Colleagues,

The Special Issue (Wireless Communications Channel) is intended to publish full papers and shorter communications on original contributions within the physical layer of wireless communication. Specifically, the issue focuses on channel measurements, properties, modeling, and their application in different communication scenarios, including wireless, mobile, satellite, and telecommunications. Emphasis is placed on research that links the fundamental theories on the propagation of electromagnetic waves through space, air, and other media to the measured properties and/or proposed models. The issue also extends its coverage to the impact of the wireless channel in the design and application of antenna and signal processing algorithms.

Dr. Marshed Kassim Mohamed
Prof. Dr. Fernando Perez Fontan
Guest Editors

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Keywords

  • wireless channel properties
  • wireless channel models
  • electromagnetic propagation
  • antenna design
  • wireless signal processing
  • wireless channel applications

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Published Papers (2 papers)

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Research

20 pages, 4802 KB  
Article
How Efficient Are Handovers in Mobile Networks? A Data-Driven Approach
by Viviana Parraga-Villamar, Pablo Lupera-Morillo and Felipe Grijalva
Electronics 2025, 14(16), 3208; https://doi.org/10.3390/electronics14163208 - 13 Aug 2025
Viewed by 386
Abstract
This work analyzes handover (HO) efficiency in mobile networks using real-world data, addressing key challenges that affect connection stability, latency, and network load. Unsuccessful HOs—often caused by suboptimal parameter settings, network congestion, or rapid user movement—are identified as a major problem. To address [...] Read more.
This work analyzes handover (HO) efficiency in mobile networks using real-world data, addressing key challenges that affect connection stability, latency, and network load. Unsuccessful HOs—often caused by suboptimal parameter settings, network congestion, or rapid user movement—are identified as a major problem. To address these issues, the study evaluates key radio frequency indicators such as Received Signal Strength Indicator (RSSI), Reference Signal Received Quality (RSRQ), Signal to Interference plus Noise Ratio (SINR), and the HO ratio, along with mobility-related factors including user direction and the ping-pong effect. A set of key performance indicators (KPIs) is used to quantify performance: Handover Rate (HOR), Handover Ping-Pong (HOPP), and Unnecessary Handover (UHO).The evaluation, based on real-world network data, shows an average HOR of 79.9%, an HOPP rate of 72.45%, and 14.83% of HOs classified as unnecessary. These findings reveal the limitations of traditional static threshold-based strategies and emphasize the need for adaptive, data-driven optimization approaches.The results demonstrate that a comprehensive HO strategy integrating multiple real-time parameters is essential for efficient mobility management and improving overall network reliability and user experience. This study reinforces the importance of leveraging real operational data to refine and validate mobility algorithms in modern cellular systems. Full article
(This article belongs to the Special Issue Wireless Communications Channel)
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22 pages, 1935 KB  
Article
Blockage Prediction of an Urban Wireless Channel Characterization Using Classification Artificial Intelligence
by Saud Alhajaj Aldossari
Electronics 2025, 14(10), 2007; https://doi.org/10.3390/electronics14102007 - 15 May 2025
Viewed by 697
Abstract
The global deployment of 5G wireless networks has introduced significant advancements in data rates, latency, and energy efficiency. However, the rising demand for immersive applications (e.g., virtual and augmented reality) necessitates even higher data rates and lower latency, driving research toward sixth-generation (6G) [...] Read more.
The global deployment of 5G wireless networks has introduced significant advancements in data rates, latency, and energy efficiency. However, the rising demand for immersive applications (e.g., virtual and augmented reality) necessitates even higher data rates and lower latency, driving research toward sixth-generation (6G) wireless networks. This study addresses a major challenge in post-5G communication: mitigating signal blockage in high-frequency millimeter-wave (mmWave) bands. This paper proposes a novel framework for blockage prediction using AI-based classification techniques to enhance signal reliability and optimize connectivity. The proposed framework is evaluated comprehensively using performance metrics such as accuracy, precision, recall, and F1-score. Notably, the NN Model 4 achieves a classification accuracy of 99.8%. Comprehensive visualizations—such as learning curves, confusion matrices, ROC curves, and precision-recall plots—highlight the model’s performance. This study contributes to the development of AI-driven techniques that enhance reliability and efficiency in future wireless communication systems. Full article
(This article belongs to the Special Issue Wireless Communications Channel)
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