Pyramidal adaptive antenna of planar arrays for satellite communications

Montesinos-Ortego, I.; Masa‐Campos, José Luis; Sierra‐Pérez, M.; Fernández-Jambrina, J.L.

doi:10.1049/ic.2007.1567

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“…As was presented in [3] and [4], lower than 1 dB of axial ratio level and good radiation pattern shape fulfilled specifications. Then, three elements array was manufactured.…”

Section: Cell Radiation Patternsupporting

confidence: 60%

GEODA-GRUA: Adaptive multibeam conformal antenna for satellites communications

Trujillo

Natera

Montesinos

et al. 2011

2011 XXXth URSI General Assembly and Scientific Symposium

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The GEODA-GRUA is one conformal adaptive antenna array designed for satellite communications. Operating at 1.7 GHz with circular polarization, it is possible to track and communicate with several satellites at once being able to receive signals in full azimuth and within the range of 5º to broadside elevation thanks to its adaptive beam. The complex structure of the antenna array has 2700 radiating elements based on a set of 60 similar triangular arrays that are divided in 15 subarrays of 3 radiating elements. A control module governs each transmission/receiver (T/R) module associated to each cell in order to manage beam steering by shifting phases.

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“…As was presented in [3] and [4], lower than 1 dB of axial ratio level and good radiation pattern shape fulfilled specifications. Then, three elements array was manufactured.…”

Section: Cell Radiation Patternsupporting

confidence: 60%