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Signals, Volume 6, Issue 4

December 2025 - 6 articles

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Articles (6)

  • Article
  • Open Access
215 Views
11 Pages

4 October 2025

This study presents a method for deriving closed-form solutions for Lagrange multipliers in worst-case performance optimization (WCPO) beamforming. By approximating the array-received signal autocorrelation matrix as a rank-1 Hermitian matrix using t...

  • Review
  • Open Access
788 Views
22 Pages

Compressive Sensing for Multimodal Biomedical Signal: A Systematic Mapping and Literature Review

  • Anggunmeka Luhur Prasasti,
  • Achmad Rizal,
  • Bayu Erfianto and
  • Said Ziani

4 October 2025

This study investigated the transformative potential of Compressive Sensing (CS) for optimizing multimodal biomedical signal fusion in Wireless Body Sensor Networks (WBSN), specifically targeting challenges in data storage, power consumption, and tra...

  • Review
  • Open Access
466 Views
41 Pages

Towards Next-Generation FPGA-Accelerated Vision-Based Autonomous Driving: A Comprehensive Review

  • Md. Reasad Zaman Chowdhury,
  • Ashek Seum,
  • Mahfuzur Rahman Talukder,
  • Rashed Al Amin,
  • Fakir Sharif Hossain and
  • Roman Obermaisser

1 October 2025

Autonomous driving has emerged as a rapidly advancing field in both industry and academia over the past decade. Among the enabling technologies, computer vision (CV) has demonstrated high accuracy across various domains, making it a critical componen...

  • Article
  • Open Access
321 Views
18 Pages

EEG-Based Analysis of Motor Imagery and Multi-Speed Passive Pedaling: Implications for Brain–Computer Interfaces

  • Cristian Felipe Blanco-Diaz,
  • Aura Ximena Gonzalez-Cely,
  • Denis Delisle-Rodriguez and
  • Teodiano Freire Bastos-Filho

1 October 2025

Decoding motor imagery (MI) of lower-limb movements from electroencephalography (EEG) signals remains a challenge due to the involvement of deep cortical regions, limiting the applicability of Brain–Computer Interfaces (BCIs). This study propos...

  • Review
  • Open Access
717 Views
48 Pages

29 September 2025

Modern healthcare systems are under growing strain from aging populations, urbanization, and rising chronic disease burdens, creating an urgent need for real-time monitoring and informed decision-making. This survey examines how the convergence of In...

  • Article
  • Open Access
857 Views
17 Pages

Electromyography-Based Sign Language Recognition: A Low-Channel Approach for Classifying Fruit Name Gestures

  • Kudratjon Zohirov,
  • Mirjakhon Temirov,
  • Sardor Boykobilov,
  • Golib Berdiev,
  • Feruz Ruziboev,
  • Khojiakbar Egamberdiev,
  • Mamadiyor Sattorov,
  • Gulmira Pardayeva and
  • Kuvonch Madatov

25 September 2025

This paper presents a method for recognizing sign language gestures corresponding to fruit names using electromyography (EMG) signals. The proposed system focuses on classification using a limited number of EMG channels, aiming to reduce classificati...