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Electronics, Volume 15, Issue 1

2026 January-1 - 248 articles

Cover Story: This paper proposes a predictive-reactive Q-learning framework (PRQF) to enhance handover management for cellular-connected UAVs in dense urban environments. The framework combines an XGBoost-based classifier for handover probability prediction with a Q-learning agent that adaptively selects actions via a probabilistic gating mechanism. The approach is evaluated using realistic 3GPP Urban Macro channel models and sinusoidal UAV trajectories in a heterogeneous LTE/5G network. Simulation results show that PRQF significantly reduces unnecessary handovers while maintaining high throughput, achieving handover reductions of 84% at 100 km/h and 83% at 120 km/h compared to the standard 3GPP A3 method, with consistently superior average throughput across scenarios. View this paper
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Articles (248)

  • Article
  • Open Access
1,045 Views
23 Pages

Insider threats remain a serious concern for organisations in both public and private sectors. Detecting anomalous behaviour in enterprise environments is critical for preventing insider incidents. While many prior studies demonstrate promising resul...

  • Article
  • Open Access
273 Views
18 Pages

To address the energy limitations, long-term operation demands, and load imbalance in fragment velocity measurement wireless sensor networks, this paper proposes an Energy-Balanced and Stability-Oriented Grey Wolf Optimization (EBSIGWO) algorithm. Th...

  • Article
  • Open Access
403 Views
19 Pages

Edge Microservice Deployment and Management Using SDN-Enabled Whitebox Switches

  • Mohamad Rahhal,
  • Lluis Gifre,
  • Pablo Armingol Robles,
  • Javier Mateos Najari,
  • Aitor Zabala,
  • Manuel Angel Jimenez,
  • Rafael Leira Osuna,
  • Raul Muñoz,
  • Oscar González de Dios and
  • Ricard Vilalta

This work advances a 6G-ready, micro-granular SDN fabric that unifies high-performance edge data planes with intent-driven, multi-domain orchestration and cloud offloading. First, edge and cell-site whiteboxes are upgraded with Smart Network Interfac...

  • Article
  • Open Access
634 Views
25 Pages

Reliable occluded object detection remains a persistent core challenge for autonomous driving perception systems, particularly in complex urban scenarios where targets are predominantly partially or fully obscured by static obstacles or dynamic agent...

  • Article
  • Open Access
260 Views
16 Pages

A Fast Method for Estimating Generator Matrixes of BCH Codes

  • Shunan Han,
  • Yuanzheng Ge,
  • Yu Shi and
  • Renjie Yi

The existing methods used for estimating generator matrixes of BCH codes, which are based on Galois Field Fourier transforms, need to exhaustively test all the possible codeword lengths and corresponding primitive polynomials. With the increase of co...

  • Article
  • Open Access
325 Views
18 Pages

Virtual synchronous machine (VSG) technology provides a robust framework for integrating electric vehicle energy storage into modern microgrids. Nonetheless, conventional VSG control often suffers from intense interaction between active and reactive...

  • Article
  • Open Access
914 Views
19 Pages

GALR: Graph-Based Root Cause Localization and LLM-Assisted Recovery for Microservice Systems

  • Wenya Zhang,
  • Zhi Yang,
  • Fang Peng,
  • Le Zhang,
  • Yiting Chen and
  • Ruibo Chen

With the rapid evolution of cloud-native platforms, microservice-based systems have become increasingly large-scale and complex, making fast and accurate root cause localization and recovery a critical challenge. Runtime signals in such systems are i...

  • Article
  • Open Access
330 Views
15 Pages

Decentralized Q-Learning for Multi-UAV Post-Disaster Communication: A Robotarium-Based Evaluation Across Urban Environments

  • Udhaya Mugil Damodarin,
  • Cristian Valenti,
  • Sergio Spanò,
  • Riccardo La Cesa,
  • Luca Di Nunzio and
  • Gian Carlo Cardarilli

Large-scale disasters such as earthquakes and floods often cause the collapse of terrestrial communication networks, isolating affected communities and disrupting rescue coordination. Unmanned aerial vehicles (UAVs) can serve as rapid-deployment aeri...

  • Article
  • Open Access
391 Views
28 Pages

Wireless medical sensor networks (WMSNs) have evolved alongside the development of communication systems, and the integration of cloud computing has enabled scalable and efficient medical data management. However, since the messages in WMSNs are tran...

  • Article
  • Open Access
478 Views
14 Pages

AirSpeech: Lightweight Speech Synthesis Framework for Home Intelligent Space Service Robots

  • Xiugong Qin,
  • Fenghu Pan,
  • Jing Gao,
  • Shilong Huang,
  • Yichen Sun and
  • Xiao Zhong

Text-to-Speech (TTS) methods typically employ a sequential approach with an Acoustic Model (AM) and a vocoder, using a Mel spectrogram as an intermediate representation. However, in home environments, TTS systems often struggle with issues such as in...

  • Review
  • Open Access
3,564 Views
41 Pages

The rapid development of artificial intelligence is reshaping learning concepts and instructional practices. Online learning overcomes temporal and spatial constraints, providing flexible and autonomous learning environments, and has become a central...

  • Article
  • Open Access
1 Citations
492 Views
23 Pages

As the number of feature dimensions increases, the decision-making space exhibits extensive and discrete characteristics, which poses a severe challenge to multi-objective (MO) evolutionary algorithms when searching for the optimal feature subset. Ma...

  • Article
  • Open Access
758 Views
23 Pages

Multimodal Large Language Models (MLLMs) have demonstrated remarkable capabilities across vision–language tasks, yet their safety alignment remains vulnerable to adversarial manipulation. Existing jailbreak attacks typically optimize adversaria...

  • Article
  • Open Access
442 Views
25 Pages

With the widespread deployment of the Advanced Metering Infrastructure (AMI) in Power Industrial Control Systems (PICS), a significant and inherent property of network traffic data is its pronounced class imbalance. The continuous emergence of new ty...

  • Article
  • Open Access
450 Views
12 Pages

Design of Low-Pass Corrugated Filters Based on Half-Mode Groove Gap Waveguide Technology

  • Stephan Marini,
  • Antonio Seller Rueda,
  • Pablo Soto,
  • Encarnación Gimeno Nieves and
  • Vicente E. Boria

In this paper, low-pass corrugated filters based on half-mode groove gap waveguide (HMGGW) technology are proposed for the first time. The design process starts from the equivalent classical low-pass implementation in corrugated rectangular waveguide...

  • Article
  • Open Access
316 Views
23 Pages

Single-phase-to-ground faults occur frequently in distribution networks, while traditional localization methods have limitations such as insufficient feature extraction and poor topological adaptability. To address these issues, this paper proposes a...

  • Article
  • Open Access
576 Views
26 Pages

The high energy consumption and substantial electricity costs of cloud data centers pose significant challenges related to carbon emissions and operational expenses for service providers. The temporal variability of electricity pricing in real-world...

  • Article
  • Open Access
318 Views
16 Pages

Accurate multivariate traffic flow forecasting is critical for intelligent transportation systems yet remains challenging due to the complex interplay of temporal dynamics and spatial interactions. While Transformer-based models have shown promise in...

  • Article
  • Open Access
559 Views
23 Pages

Existing inspection systems for railway point machines often suffer from high latency and poor interpretability, which impedes the real-time detection of critical mechanical anomalies, thereby increasing the risks of derailment and leading to cascadi...

  • Article
  • Open Access
353 Views
14 Pages

Influences of Leakage Inductances in Integrated Transformer of Input-Series Flyback Converter

  • Shengze Liu,
  • Wentao Huang,
  • Tao Meng,
  • Hongqi Ben and
  • Chunyan Li

In this paper, the influences of leakage inductances are investigated for the integrated transformer of an input-series flyback converter, in which each input-series circuit is based on the single-switch flyback topology. First, the configuration of...

  • Article
  • Open Access
244 Views
12 Pages

This paper proposes a symmetrized extrinsic information transfer (S-EXIT) chart analysis for probabilistic shaped (PS) systems to optimize the joint decoding of low-density parity-check (LDPC) codes and constant composition distribution matchers (CCD...

  • Article
  • Open Access
394 Views
16 Pages

A Deep Reinforcement Learning-Based Approach for Bandwidth-Aware Service Function Chaining

  • Yan-Jing Wu,
  • Shi-Hao Hwang,
  • Wen-Shyang Hwang and
  • Ming-Hua Cheng

Network function virtualization (NFV) is an emerging technology that is gaining popularity for network function migration. NFV converts a network function from a dedicated hardware device into a virtual network function (VNF), thereby improving the a...

  • Article
  • Open Access
298 Views
14 Pages

A Novel Switching Sequence Control Strategy for Reference Tracking in Power Converters

  • Yujia Tang,
  • Yihua Zhu,
  • Guoqing Wang,
  • Wenzhe Hao,
  • Zijian Zhang,
  • Zhiyong Dai and
  • Guangqi Li

With the growing penetration of wind energy into modern power grids, the demand for high-performance converter control has increased significantly. In particular, precise current reference tracking is essential to guarantee efficient energy conversio...

  • Systematic Review
  • Open Access
860 Views
30 Pages

A Systematic Literature Review of Augmented Reality’s Development in Construction

  • José Marinho,
  • Filipe Sá,
  • João Durães,
  • Inácio Fonseca and
  • Nuno Cid Martins

Augmented reality (AR) has emerged as a transformative technology, allowing users to engage with digital content overlaid on the physical world. In the construction industry, AR shows significant potential to enhance visualization, collaboration, tra...

  • Article
  • Open Access
530 Views
19 Pages

Dynamic objects present a major challenge for visual simultaneous localization and mapping (Visual SLAM), as feature measurements originating from moving regions can corrupt camera pose estimation and lead to inaccurate maps. In this paper, we propos...

  • Article
  • Open Access
562 Views
39 Pages

RoadMark-cGAN: Generative Conditional Learning to Directly Map Road Marking Lines from Aerial Orthophotos via Image-to-Image Translation

  • Calimanut-Ionut Cira,
  • Naoto Yokoya,
  • Miguel-Ángel Manso-Callejo,
  • Ramon Alcarria,
  • Clifford Broni-Bediako,
  • Junshi Xia and
  • Borja Bordel

Road marking lines can be extracted from aerial images using semantic segmentation (SS) models; however, in this work, a conditional generative adversarial network, RoadMark-cGAN, is proposed for direct extraction of these representations with image-...

  • Article
  • Open Access
418 Views
18 Pages

Knowledge graph completion (KGC) necessitates comprehensive modeling of heterogeneous relations by effectively integrating both graph structural information and textual semantics. Current approaches often exhibit fragmented feature utilization or sub...

  • Article
  • Open Access
800 Views
17 Pages

The swift development of digital financial services has increased transaction volumes and heightened system performance requirements. Cardless cash deposit transactions at PT Bank XYZ have significantly increased since 2022. This growth necessitates...

  • Article
  • Open Access
560 Views
23 Pages

Brain age has been widely recognized as an important biomarker for monitoring adolescent brain development and assessing dementia risk. However, existing model visualization methods primarily highlight brain regions associated with aging, making it d...

  • Article
  • Open Access
869 Views
34 Pages

Underwater Antenna Technologies with Emphasis on Submarine and Autonomous Underwater Vehicles (AUVs)

  • Dimitrios G. Arnaoutoglou,
  • Tzichat M. Empliouk,
  • Dimitrios-Naoum Papamoschou,
  • Yiannis Kyriacou,
  • Andreas Papanastasiou,
  • Theodoros N. F. Kaifas and
  • George A. Kyriacou

Following the persistent evolution of terrestrial 5G wireless systems, a new field of underwater communication has emerged for various related applications like environmental monitoring, underwater mining, and marine research. However, establishing r...

  • Article
  • Open Access
573 Views
16 Pages

Developing an AI Assistant for Knowledge Management and Workforce Training in State DOTs

  • Divija Amaram,
  • Lu Gao,
  • Gowtham Reddy Gudla and
  • Tejaswini Sanjay Katale

Effective knowledge management is critical for preserving institutional expertise and improving the efficiency of workforce training in state transportation agencies. Traditional approaches, such as static documentation, classroom-based instruction,...

  • Article
  • Open Access
492 Views
17 Pages

This work presents a unified benchmarking framework for evaluating classical machine-learning–based heart-rate estimation from remote photoplethysmography (rPPG) across both RGB and near-infrared (NIR) modalities. Despite extensive research on...

  • Feature Paper
  • Article
  • Open Access
339 Views
28 Pages

Recently, image haze removal has gained increasing attention in the field of image restoration. Data-driven and model-based methods are popular among researchers. The dark channel prior prevails in model-based methods, where the model parameters, atm...

  • Article
  • Open Access
1 Citations
427 Views
22 Pages

INVCAM: An Inverted Compressor-Based Approximate Multiplier

  • Kimia Darabi,
  • Sahand Divsalar,
  • Shaghayegh Vahdat,
  • Nima Amirafshar and
  • Nima TaheriNejad

In this paper, a novel 8-bit approximate multiplier, called INVCAM, is proposed in which the inverted partial products (PPs) are summed using approximate 4:2 compressors. This design allows for flexibility in applying approximations, enabling the mul...

  • Article
  • Open Access
1 Citations
474 Views
15 Pages

Design and Analysis of a Configurable Dual-Path Huffman-Arithmetic Encoder with Frequency-Based Sorting

  • Hemanth Chowdary Penumarthi,
  • Paramasivam C and
  • Sree Ranjani Rajendran

The designs of lossless data compression architectures create a natural trade-off between throughput, power consumption, and compression efficiency, making it difficult for designers to identify an optimal configuration that satisfies all three crite...

  • Article
  • Open Access
426 Views
23 Pages

Branch-Parallel Simulated Annealing for Energy-Efficient Multi-Compressor Operation

  • Min-Jae Kim,
  • Ho-Jin Choi,
  • Nobuyoshi Komuro,
  • Jaeyoung Han and
  • Won-Suk Kim

The overall energy efficiency of a multi-compressor system varies greatly depending on its operating strategy. In most industrial facilities, the strategy is still determined empirically by operators, which often fails to achieve optimal energy effic...

  • Article
  • Open Access
659 Views
23 Pages

Data-Driven Cross-Lingual Anomaly Detection via Self-Supervised Representation Learning

  • Mingfei Wang,
  • Nuo Wang,
  • Lingdong Mei,
  • Yunfei Li,
  • Xinyang Liu,
  • Surui Hua and
  • Manzhou Li

Deep anomaly detection in multilingual environments remains challenging due to limited labeled data, semantic inconsistency across languages, and the unstable distribution of rare abnormal patterns. These challenges are particularly severe in low-res...

  • Article
  • Open Access
1 Citations
508 Views
18 Pages

A Real-Time Improved YOLOv10 Model for Small and Multi-Scale Ground Target Detection in UAV LiDAR Range Images of Complex Scenes

  • Yu Zhai,
  • Ziyi Zhang,
  • Sen Xie,
  • Chunsheng Tong,
  • Xiuli Luo,
  • Xuan Li,
  • Liming Wang and
  • Yingliang Zhao

Low-altitude Unmanned Aerial Vehicle (UAV) detection using LiDAR range images faces persistent challenges. These include sparse features for long-range targets, large scale variations caused by viewpoint changes, and severe interference from complex...

  • Article
  • Open Access
536 Views
15 Pages

Digitally Adjustable Laser Diode Driver Circuit with 9 ps Resolution

  • Michał Pietrzak,
  • Wiktor Porakowski and
  • Oleksandra Zhyhylii

Laser pulses are essential in various scientific fields, yet existing laser diode drivers offer limited adjustability. This paper presents a digitally adjustable subnanosecond gain-switched laser diode driver, a first one with step sizes of the contr...

  • Article
  • Open Access
481 Views
16 Pages

Pipelines are critical infrastructures in both industrial production and daily life. However, defects frequently arise due to environmental and manufacturing factors, which may lead to severe safety risks. To overcome the limitations of traditional o...

  • Article
  • Open Access
1 Citations
453 Views
33 Pages

Faults in chiller systems can significantly reduce energy efficiency and operational performance. To address this, fault detection and diagnosis (FDD) algorithms are increasingly integrated into building management systems (BMS). This study proposes...

  • Article
  • Open Access
1 Citations
343 Views
30 Pages

Fast DCT-VIII Algorithms for Short-Length Input Sequences

  • Mateusz Raciborski,
  • Marina Polyakova and
  • Aleksandr Cariow

Discrete cosine transforms (DCTs) are widely used in intelligent electronic systems for storing, processing, and transmitting data. Their popularity stems, on the one hand, from their unique properties and, on the other hand, from the availability of...

  • Article
  • Open Access
689 Views
17 Pages

Lightweight Kalman Spoofing Detection in Platoons of Vehicles

  • Dimitrios Kosmanos,
  • Zisis-Rafail Tzoannos,
  • Apostolos Xenakis and
  • Costas Chaikalis

Spoofing attacks remain among the most critical security threats in Connected and Autonomous Vehicles (CAVs). This work introduces a lightweight, two-level spoofing detection framework based on Kalman filtering, designed for real-time deployment in v...

  • Article
  • Open Access
344 Views
26 Pages

Near-infrared spectroscopy (NIRS) is widely used in food, pharmaceutical, and agricultural analyses but is highly susceptible to noise. To address this, we propose BiLSTM-FuseNet, a denoising framework that combines temporal modeling and explicit noi...

  • Article
  • Open Access
1 Citations
415 Views
20 Pages

Weak-signal fluorescence channels (e.g., 4′,6-diamidino-2-phenylindole (DAPI)) often fail to provide reliable structural details due to low signal-to-noise ratio (SNR) and insufficient high-frequency information, limiting the ability of single-...

  • Article
  • Open Access
326 Views
27 Pages

Dynamic task planning for heterogeneous platforms across land, sea, air, and space is essential for achieving integrated situational awareness, yet current systems suffer from limited spatiotemporal coverage and inefficient resource scheduling. To ad...

  • Article
  • Open Access
359 Views
13 Pages

Design and Implementation of an L-Band 400 W Continuous-Wave GaN Power Amplifier

  • Xiaodong Jing,
  • Hailong Wang,
  • Fei You,
  • Xiaofan Zhang and
  • Kuo Ma

Based on a large-signal chip model, this paper designs and implements an L-band broadband continuous-wave 400 W high-efficiency power amplifier fabricated using 0.5 μm GaN High Electron Mobility Transistor (HEMT) technology. The input-matching cir...

  • Article
  • Open Access
508 Views
21 Pages

Stress has become one of the most pervasive health challenges in modern societies, contributing to cardiovascular, cognitive, and emotional disorders that degrade overall well-being and productivity. Continuous monitoring of stress in everyday settin...

  • Article
  • Open Access
418 Views
26 Pages

Recognizing human actions in low-light industrial environments remains a significant challenge for safety-critical applications in power systems. In this paper, we propose a Low-Light Pose-Action Collaborative Network (LPAC-Net), an integrated framew...

  • Article
  • Open Access
381 Views
11 Pages

Wideband 1-Bit Reconfigurable Transmitarray Using a Substrate-Integrated Cavity-Backed Patch Element

  • Xiuwen Tian,
  • Huilin Mu,
  • Yunzhou Shi,
  • Chunsheng Guan,
  • Chang Ding,
  • Lizhong Song and
  • Baojun Song

A novel wideband 1-bit reconfigurable transmitarray (RTA) is proposed, which is based on a substrate-integrated cavity-backed patch (SCIBP) element. The RTA element consists of a pair of SCIBP antennas, achieving wideband operational capability throu...

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Electronics - ISSN 2079-9292