A Cross Polarization Suppressed Sequential Array with L-Probe Fed Rectangular Microstrip Antennas

Kazuki IKEDA; Keigo SATO; Ken-ichi KAGOSHIMA; Shigeki OBOTE; Atsushi TOMIKI; Tomoaki TODA

doi:10.1587/transcom.E94.B.2653

A Cross Polarization Suppressed Sequential Array with L-Probe Fed Rectangular Microstrip Antennas

Kazuki IKEDA, Keigo SATO, Ken-ichi KAGOSHIMA, Shigeki OBOTE, Atsushi TOMIKI, Tomoaki TODA

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In this paper, we present a sequentially rotated array antenna with a rectangular patch MSA fed by an L-probe. Since it's important to decrease couplings between patch elements in order to suppress the cross-polarization level, rectangular patches with aspect ratio of k are adopted. We investigate the cross-polarization level of the sequential array and discuss the relationship between the cross-polarization level and the mutual coupling. As a result, the bandwdith of the antenna element is obtained 14.6% when its VSWR is less than 1.5, and the directivity and cross-polarization level of a 4-patch sequential array are 10.8 dBic and 1.7 dBic, respectively, where k=0.6 and the patch spacing of d=0.5 wave length. These characteristics are 5.6 dB and 5.8 dB better than the corresponding values of a square patch sequential array antenna.

Publication: IEICE TRANSACTIONS on Communications Vol.E94-B No.9 pp.2653-2655

Publication Date: 2011/09/01

Publicized

Online ISSN: 1745-1345

DOI: 10.1587/transcom.E94.B.2653

Type of Manuscript: LETTER

Category: Antennas and Propagation

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Kazuki IKEDA, Keigo SATO, Ken-ichi KAGOSHIMA, Shigeki OBOTE, Atsushi TOMIKI, Tomoaki TODA, "A Cross Polarization Suppressed Sequential Array with L-Probe Fed Rectangular Microstrip Antennas" in IEICE TRANSACTIONS on Communications, vol. E94-B, no. 9, pp. 2653-2655, September 2011, doi: 10.1587/transcom.E94.B.2653.
Abstract: In this paper, we present a sequentially rotated array antenna with a rectangular patch MSA fed by an L-probe. Since it's important to decrease couplings between patch elements in order to suppress the cross-polarization level, rectangular patches with aspect ratio of k are adopted. We investigate the cross-polarization level of the sequential array and discuss the relationship between the cross-polarization level and the mutual coupling. As a result, the bandwdith of the antenna element is obtained 14.6% when its VSWR is less than 1.5, and the directivity and cross-polarization level of a 4-patch sequential array are 10.8 dBic and 1.7 dBic, respectively, where k=0.6 and the patch spacing of d=0.5 wave length. These characteristics are 5.6 dB and 5.8 dB better than the corresponding values of a square patch sequential array antenna.
URL: https://globals.ieice.org/en_transactions/communications/10.1587/transcom.E94.B.2653/_p

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@ARTICLE{e94-b_9_2653,
author={Kazuki IKEDA, Keigo SATO, Ken-ichi KAGOSHIMA, Shigeki OBOTE, Atsushi TOMIKI, Tomoaki TODA, },
journal={IEICE TRANSACTIONS on Communications},
title={A Cross Polarization Suppressed Sequential Array with L-Probe Fed Rectangular Microstrip Antennas},
year={2011},
volume={E94-B},
number={9},
pages={2653-2655},
abstract={In this paper, we present a sequentially rotated array antenna with a rectangular patch MSA fed by an L-probe. Since it's important to decrease couplings between patch elements in order to suppress the cross-polarization level, rectangular patches with aspect ratio of k are adopted. We investigate the cross-polarization level of the sequential array and discuss the relationship between the cross-polarization level and the mutual coupling. As a result, the bandwdith of the antenna element is obtained 14.6% when its VSWR is less than 1.5, and the directivity and cross-polarization level of a 4-patch sequential array are 10.8 dBic and 1.7 dBic, respectively, where k=0.6 and the patch spacing of d=0.5 wave length. These characteristics are 5.6 dB and 5.8 dB better than the corresponding values of a square patch sequential array antenna.},
keywords={},
doi={10.1587/transcom.E94.B.2653},
ISSN={1745-1345},
month={September},}

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TY - JOUR
TI - A Cross Polarization Suppressed Sequential Array with L-Probe Fed Rectangular Microstrip Antennas
T2 - IEICE TRANSACTIONS on Communications
SP - 2653
EP - 2655
AU - Kazuki IKEDA
AU - Keigo SATO
AU - Ken-ichi KAGOSHIMA
AU - Shigeki OBOTE
AU - Atsushi TOMIKI
AU - Tomoaki TODA
PY - 2011
DO - 10.1587/transcom.E94.B.2653
JO - IEICE TRANSACTIONS on Communications
SN - 1745-1345
VL - E94-B
IS - 9
JA - IEICE TRANSACTIONS on Communications
Y1 - September 2011
AB - In this paper, we present a sequentially rotated array antenna with a rectangular patch MSA fed by an L-probe. Since it's important to decrease couplings between patch elements in order to suppress the cross-polarization level, rectangular patches with aspect ratio of k are adopted. We investigate the cross-polarization level of the sequential array and discuss the relationship between the cross-polarization level and the mutual coupling. As a result, the bandwdith of the antenna element is obtained 14.6% when its VSWR is less than 1.5, and the directivity and cross-polarization level of a 4-patch sequential array are 10.8 dBic and 1.7 dBic, respectively, where k=0.6 and the patch spacing of d=0.5 wave length. These characteristics are 5.6 dB and 5.8 dB better than the corresponding values of a square patch sequential array antenna.
ER -