Design, Fabrication, and Validation of an Integrated Antenna for Autonomous Train Control System: Supporting LTE-R, 5G, GPS, and V2X | Zendy

Dong-Jin Lee | Zendy; Youngju Kim | Zendy; Rag-Gyo Jeong | Zendy

Open Access

Design, Fabrication, and Validation of an Integrated Antenna for Autonomous Train Control System: Supporting LTE-R, 5G, GPS, and V2X

Author(s) -

Dong-Jin Lee,

Youngju Kim,

Rag-Gyo Jeong

Publication year - 2025

Publication title -

ieee access

Language(s) - English

Resource type - Magazines

SCImago Journal Rank - 0.587

H-Index - 127

eISSN - 2169-3536

DOI - 10.1109/access.2025.3611000

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

Autonomous Train Control Systems (ATCS) require highly reliable and low-latency wireless communication to support real-time decision-making and train coordination. This paper presents the design, fabrication, and validation of an integrated multi-band antenna system optimized for ATCS applications. The proposed antenna supports LTE-R, 5G sub-6 GHz, private 5G (e-Um), V2X, and GPS bands within a compact structure, enabling simultaneous connectivity to diverse wireless systems. The base-station antenna module utilizes miniaturized ultra-wideband monopole elements to achieve 4 × 4 MIMO operation with omnidirectional coverage, while the V2X module employs a 2 × 8 directional patch array to ensure high-gain train-to-train communication. A commercial GPS module with circular polarization is also integrated for precise positioning and synchronization. The antenna system was fabricated and tested through full-wave simulation, lab measurements, and full-scale field trials. Measured results demonstrate stable operation across all frequency bands, high isolation, and low envelope correlation coefficients, validating the system’s suitability for deployment in next-generation autonomous railway networks.

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