Marco Cavallo
Low-cost antennas for SatCom on the move systems.
Rel. Paola Pirinoli, Giuseppe Vecchi, Giorgio Giordanengo, Michele Beccaria. Politecnico di Torino, Corso di laurea magistrale in Ingegneria Elettronica (Electronic Engineering), 2025
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Abstract
Satellite Communication on the Move enables broadband connectivity for mobile platforms. In this context, the expansion of LEO and MEO satellite constellations demands user terminals with better beam agility, reduced weight, and cost-efficiency. Traditional mechanically steered reflectors and phased arrays provide necessary performance but are unsuitable for widespread civilian use due to their complexity and high power consumption. These challenges highlight the need for simpler and lightweight antennas that still meet the required radiation performance standards. A possible solution consists of the use of a primary feed with a reduced number of electronically controlled elements plus a planar or slightly curved meta-lens, located in the near field region of the primary feed and realized with a (quasi-)planar structure, to reduce the antenna system profile.
The activity carried out in the thesis was focused on the design and analysis of the fully dielectric, planar meta-lens working in Ka-band and discretized with hexagonally arranged unit cells
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