A Compact Dual-Band Orthogonal Circularly Polarized Antenna Array with Disparate Elements

Sheng Ye; Junping Geng; Xianling Liang; Y. Jay Guo; Ronghong Jin

doi:10.1109/TAP.2015.2389811

A Compact Dual-Band Orthogonal Circularly Polarized Antenna Array with Disparate Elements

Sheng Ye, Junping Geng, Xianling Liang, Y. Jay Guo, Ronghong Jin

Research output: Contribution to journal › Article › peer-review

35 Citations (Scopus)

Abstract

A dual-band orthogonally and circularly polarized antenna array with disparate elements is presented. By using corner-truncated stacked patches as elements, both left hand circular polarization (LHCP) in 12 GHz band and right hand circular polarization (RHCP) in 14 GHz band are realized in a shared antenna aperture. Furthermore, by employing disparate elements, the coupling between the two bands is suppressed effectively inside the feed network, hence improving isolation. The measured results of a four-element array agreed well with the simulated ones, achieving isolation better than 20 dB in the dual bands, and a maximum gain of 13.2 dBic for the LHCP and 13.9 dBic for the RHCP. The proposed array can find applications in satellite communications.

Original language	English
Article number	7005424
Pages (from-to)	1359-1364
Number of pages	6
Journal	IEEE Transactions on Antennas and Propagation
Volume	63
Issue number	4
DOIs	https://doi.org/10.1109/TAP.2015.2389811
Publication status	Published - 1 Apr 2015
Externally published	Yes

Keywords

antenna array
disparate element
dual band
orthogonal and circular polarization
satellite communications

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10.1109/TAP.2015.2389811

Cite this

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title = "A Compact Dual-Band Orthogonal Circularly Polarized Antenna Array with Disparate Elements",

abstract = "A dual-band orthogonally and circularly polarized antenna array with disparate elements is presented. By using corner-truncated stacked patches as elements, both left hand circular polarization (LHCP) in 12 GHz band and right hand circular polarization (RHCP) in 14 GHz band are realized in a shared antenna aperture. Furthermore, by employing disparate elements, the coupling between the two bands is suppressed effectively inside the feed network, hence improving isolation. The measured results of a four-element array agreed well with the simulated ones, achieving isolation better than 20 dB in the dual bands, and a maximum gain of 13.2 dBic for the LHCP and 13.9 dBic for the RHCP. The proposed array can find applications in satellite communications.",

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AU - Ye, Sheng

AU - Geng, Junping

AU - Liang, Xianling

AU - Jay Guo, Y.

AU - Jin, Ronghong

PY - 2015/4/1

Y1 - 2015/4/1

N2 - A dual-band orthogonally and circularly polarized antenna array with disparate elements is presented. By using corner-truncated stacked patches as elements, both left hand circular polarization (LHCP) in 12 GHz band and right hand circular polarization (RHCP) in 14 GHz band are realized in a shared antenna aperture. Furthermore, by employing disparate elements, the coupling between the two bands is suppressed effectively inside the feed network, hence improving isolation. The measured results of a four-element array agreed well with the simulated ones, achieving isolation better than 20 dB in the dual bands, and a maximum gain of 13.2 dBic for the LHCP and 13.9 dBic for the RHCP. The proposed array can find applications in satellite communications.

AB - A dual-band orthogonally and circularly polarized antenna array with disparate elements is presented. By using corner-truncated stacked patches as elements, both left hand circular polarization (LHCP) in 12 GHz band and right hand circular polarization (RHCP) in 14 GHz band are realized in a shared antenna aperture. Furthermore, by employing disparate elements, the coupling between the two bands is suppressed effectively inside the feed network, hence improving isolation. The measured results of a four-element array agreed well with the simulated ones, achieving isolation better than 20 dB in the dual bands, and a maximum gain of 13.2 dBic for the LHCP and 13.9 dBic for the RHCP. The proposed array can find applications in satellite communications.

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A Compact Dual-Band Orthogonal Circularly Polarized Antenna Array with Disparate Elements

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Keywords

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