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A Miniaturized Multiband Antenna Array for Robust Navigation in Aerial Applications.

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Summary
This summary is machine-generated.

A new miniaturized antenna array enhances satellite navigation robustness for aerial applications. This compact, multi-band system improves interference mitigation, crucial for unmanned aerial vehicles (UAVs) and avionics.

Keywords:
GNSSUAVantennaantenna arrayinterferencejammingrobustness

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Area of Science:

  • Electrical Engineering
  • Aerospace Engineering
  • Signal Processing

Background:

  • Satellite navigation is increasingly vital across diverse sectors, including autonomous driving and aviation.
  • Growing reliance on satellite navigation necessitates robust systems against intentional and unintentional interference.
  • Mobile applications face significant constraints in size and weight for navigation systems.

Purpose of the Study:

  • To develop a miniaturized antenna array for enhanced satellite navigation robustness.
  • To enable multi-band operation and interference mitigation in a compact form factor.
  • To meet the needs of dual-frequency multi-constellation (DFMC) systems for aerial platforms.

Main Methods:

  • Design and implementation of a five-element (4+1) miniaturized antenna array.
  • Operation across L1/E1 (array) and L5/E5 (single antenna) frequency bands.
  • Ensuring compliance with standard single-antenna footprints (3.5-inch).

Main Results:

  • The antenna array achieves a compact 3.5-inch footprint, suitable for single-antenna applications.
  • Demonstrated multiband capability for L1/E1 and L5/E5 frequencies.
  • The design meets DFMC system requirements, enabling dual-frequency operation.

Conclusions:

  • The miniaturized antenna array offers a viable solution for robust satellite navigation in size-constrained mobile applications.
  • Its small form factor and multi-band capabilities facilitate integration into future aerial platforms.
  • The array enhances interference mitigation through multi-antenna processing, improving navigation reliability.