A reconfigurable circularly polarized microstrip antenna with a slotted ground plane

Won Sang Yoon; Jung Woo Baik; Hun Sung Lee; Seongmin Pyo; Sang Min Han; Young Sik Kim

doi:10.1109/LAWP.2010.2096794

A reconfigurable circularly polarized microstrip antenna with a slotted ground plane

Won Sang Yoon, Jung Woo Baik, Hun Sung Lee, Seongmin Pyo, Sang Min Han, Young Sik Kim

* Honorary professors

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

74 Citations (Scopus)

Abstract

This letter describes a square patch antenna with a switchable circular polarization (CP) sense. The proposed antenna has four L-shaped slots on the ground plane, and the CP radiation can be generated by current perturbation due to the slotted ground plane. Because the CP sense of the proposed antenna is altered by the current path that is redirected with switched p-i-n diodes on the slots, the CP direction of the proposed antenna can be simply switched between the right-handed and left-handed CPs. As the slot and bias circuits are not placed on the patch side, the proposed antenna has a simple structure and can radiate a CP wave without altering the main beam direction. The experimental results show that antennas have excellent switchable radiation performance at 2.4 GHz.

Original language	English
Article number	5657230
Pages (from-to)	1161-1164
Number of pages	4
Journal	IEEE Antennas and Wireless Propagation Letters
Volume	9
DOIs	https://doi.org/10.1109/LAWP.2010.2096794
Publication status	Published - 2010

Keywords

Circular polarization (CP)
microstrip patch antenna
polarization diversity
reconfigurable antenna
slotted ground

ASJC Scopus subject areas

Electrical and Electronic Engineering

Access to Document

10.1109/LAWP.2010.2096794

Cite this

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title = "A reconfigurable circularly polarized microstrip antenna with a slotted ground plane",

abstract = "This letter describes a square patch antenna with a switchable circular polarization (CP) sense. The proposed antenna has four L-shaped slots on the ground plane, and the CP radiation can be generated by current perturbation due to the slotted ground plane. Because the CP sense of the proposed antenna is altered by the current path that is redirected with switched p-i-n diodes on the slots, the CP direction of the proposed antenna can be simply switched between the right-handed and left-handed CPs. As the slot and bias circuits are not placed on the patch side, the proposed antenna has a simple structure and can radiate a CP wave without altering the main beam direction. The experimental results show that antennas have excellent switchable radiation performance at 2.4 GHz.",

keywords = "Circular polarization (CP), microstrip patch antenna, polarization diversity, reconfigurable antenna, slotted ground",

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AU - Baik, Jung Woo

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AU - Pyo, Seongmin

AU - Han, Sang Min

AU - Kim, Young Sik

PY - 2010

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N2 - This letter describes a square patch antenna with a switchable circular polarization (CP) sense. The proposed antenna has four L-shaped slots on the ground plane, and the CP radiation can be generated by current perturbation due to the slotted ground plane. Because the CP sense of the proposed antenna is altered by the current path that is redirected with switched p-i-n diodes on the slots, the CP direction of the proposed antenna can be simply switched between the right-handed and left-handed CPs. As the slot and bias circuits are not placed on the patch side, the proposed antenna has a simple structure and can radiate a CP wave without altering the main beam direction. The experimental results show that antennas have excellent switchable radiation performance at 2.4 GHz.

AB - This letter describes a square patch antenna with a switchable circular polarization (CP) sense. The proposed antenna has four L-shaped slots on the ground plane, and the CP radiation can be generated by current perturbation due to the slotted ground plane. Because the CP sense of the proposed antenna is altered by the current path that is redirected with switched p-i-n diodes on the slots, the CP direction of the proposed antenna can be simply switched between the right-handed and left-handed CPs. As the slot and bias circuits are not placed on the patch side, the proposed antenna has a simple structure and can radiate a CP wave without altering the main beam direction. The experimental results show that antennas have excellent switchable radiation performance at 2.4 GHz.

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KW - reconfigurable antenna

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A reconfigurable circularly polarized microstrip antenna with a slotted ground plane

Abstract

Keywords

ASJC Scopus subject areas

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