Pattern Reconfigurable Antenna Array with Circular Polarization

Jeen-Sheen Row, Chih Wei Tsai

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

A design for arrays with beam-steering capability in the azimuthal plane is described. The array is a four-sector antenna configuration, and each sector element can generate unidirectional radiation with circular polarization (CP). A reconfigurable 1 × 4 power divider with broadband operation is designed and used to excite the sector elements. By controlling PIN diodes, the divider can offer 11 states for the four outputs, and each state is corresponding to one CP radiation pattern of the array. Prototypes for the sector array and the tunable divider are, respectively, constructed, and the experimental results of the integrated structure demonstrate that, in addition to the beam-steering capability, the array can also generate bidirectional and omnidirectional radiation patterns between 1.9 and 2.3 GHz. Moreover, these steerable beams and radiation patterns have a cross polarization of less than -18 dB for all azimuthal angles.

Original languageEnglish
Article number7393777
Pages (from-to)1525-1530
Number of pages6
JournalIEEE Transactions on Antennas and Propagation
Volume64
Issue number4
DOIs
Publication statusPublished - 2016 Apr 1

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Circular polarization
antenna arrays
circular polarization
Antenna arrays
dividers
sectors
beam steering
radiation
Diodes
Polarization
Antennas
Radiation
cross polarization
antennas
diodes
prototypes
broadband
output
configurations

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

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abstract = "A design for arrays with beam-steering capability in the azimuthal plane is described. The array is a four-sector antenna configuration, and each sector element can generate unidirectional radiation with circular polarization (CP). A reconfigurable 1 × 4 power divider with broadband operation is designed and used to excite the sector elements. By controlling PIN diodes, the divider can offer 11 states for the four outputs, and each state is corresponding to one CP radiation pattern of the array. Prototypes for the sector array and the tunable divider are, respectively, constructed, and the experimental results of the integrated structure demonstrate that, in addition to the beam-steering capability, the array can also generate bidirectional and omnidirectional radiation patterns between 1.9 and 2.3 GHz. Moreover, these steerable beams and radiation patterns have a cross polarization of less than -18 dB for all azimuthal angles.",
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Pattern Reconfigurable Antenna Array with Circular Polarization. / Row, Jeen-Sheen; Tsai, Chih Wei.

In: IEEE Transactions on Antennas and Propagation, Vol. 64, No. 4, 7393777, 01.04.2016, p. 1525-1530.

Research output: Contribution to journalArticle

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