Circularly Polarized Cross-Dipole Array Antenna for GNSS and L-Band Satellite Applications | Zendy

Aliakbar Dastranj | Zendy; Hamed Shirzad | Zendy

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Circularly Polarized Cross-Dipole Array Antenna for GNSS and L-Band Satellite Applications

Author(s) -

Aliakbar Dastranj,

Hamed Shirzad

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.2025.3589526

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

This study introduces a dual-sense circularly polarized (CP) crossed-dipole array antenna designed for Global Navigation Satellite System (GNSS) frequency bands. The antenna employs an optimized double-branch line coupler (ODBLC) and a single pair of dual-band linearly polarized dipole antennas (LPDAs) to achieve impedance bandwidths of 44.83% (1092.1–1723.3 MHz) for right-hand circular polarization (RHCP) and 46.30% (1070.2–1715.1 MHz) for left-hand circular polarization (LHCP), with axial ratio bandwidths of 47.69% and 44.78%, respectively. With peak gains of 7.08–7.10 dBic and a compact form factor of 160 × 160 × 44.6 mm³, the simplified feed architecture enhances manufacturability and reduces fabrication costs. The dual-sense circular polarization mitigates multipath interference in urban, forested, and maritime environments, facilitating applications in precision navigation, autonomous vehicle localization, geodetic surveying, and meteorological data acquisition.

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