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"Conical" Frustum Multi-Beam Phased Arrays for Air Traffic Control Radars.

Paolo Rocca1,2, Nicola Anselmi1, Mohammad Abdul Hannan1

  • 1DICAM-Department of Civil, Environmental, and Mechanical Engineering, ELEDIA Research Center, ELEDIA@UniTN-University of Trento, Via Mesiano 77, 38123 Trento, Italy.

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Summary

This study designs conical frustum phased array antennas for air traffic control (ATC) radar using digital beam-forming and compressive sampling. The method optimizes antenna complexity and radiation performance for advanced radar systems.

Keywords:
air traffic controlcompressive sensingconical frustum arraydigital beamformingmulti-beam arrayphased arrayradarsparse array

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Area of Science:

  • Antenna Theory and Design
  • Electromagnetics
  • Radar Systems Engineering

Background:

  • Air traffic control (ATC) radar systems require advanced antenna designs for improved performance and efficiency.
  • Traditional phased array antennas face challenges in balancing complexity and radiation characteristics.

Purpose of the Study:

  • To design conical frustum phased array antennas for ATC radar systems.
  • To optimize the trade-off between antenna complexity and radiation performance.
  • To develop a novel synthesis strategy using compressive sampling.

Main Methods:

  • Formulating the antenna synthesis problem within the Compressive Sampling (CS) framework.
  • Utilizing a customized Bayesian CS (BCS) tool for joint optimization of element positions and complex excitations.
  • Employing a fully digital beam-forming (DBF) network with modular vertical arrays.

Main Results:

  • Demonstrated a design strategy for modular sparse array antennas.
  • Validated the effectiveness of the proposed design using ideal and real antenna models.
  • Showcased the synthesized architecture's performance compared to conventional arrays.

Conclusions:

  • The proposed CS-based design strategy effectively synthesizes modular sparse array antennas for ATC radar.
  • The optimized antenna architecture achieves a favorable balance between complexity and radiation performance.
  • The approach offers a promising direction for next-generation radar antenna development.