Abstract
This work was supported by the Spanish Ministry of Economy and Competitiveness (Ministerio de Economia y Competitividad) under Project TEC2016-79700-C2-1-R.
Highlights
I N RECENT years, the demand for satellite capacity has grown to other wired and cellular wireless communication systems, and the market trend is to increase the service throughput speeds in at least one order of magnitude compared to existing Ku-band systems
Demand for Ka-band satellite capacity is expected to grow over the years [1]
Due to system complexity, cost, and energy consumption, there is not yet a cost-competitive commercial antenna of that kind, at least to the knowledge of these authors. Until such technology becomes a plausible option, there exists an interest in halfway solutions using different approaches: parabolic reflectors, reflectarrays, transmitarrays, lenses, horns or waveguide arrays. These type of antennas, widely developed and studied, are able to meet some of the satellite communications (SATCOM) requirements, being one of them the dual circular polarization (CP) performance
Summary
I N RECENT years, the demand for satellite capacity has grown to other wired and cellular wireless communication systems, and the market trend is to increase the service throughput speeds in at least one order of magnitude compared to existing Ku-band systems. Due to system complexity, cost, and energy consumption, there is not yet a cost-competitive commercial antenna of that kind, at least to the knowledge of these authors Until such technology becomes a plausible option, there exists an interest in halfway solutions using different approaches: parabolic reflectors, reflectarrays, transmitarrays, lenses, horns or waveguide arrays. These type of antennas, widely developed and studied, are able to meet some of the SATCOM requirements, being one of them the dual circular polarization (CP) performance. This work proposes a novel approach to attain a highly efficient dual circularly polarized antenna, specially devoted to Ka-band satellite communications.
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