volume | PIER Journals

2014-12-30

Dual-Band Dual-Polarized Circular Microstrip Patch Antenna with the Curved Slots on the Ground

Dan Yu,

Dr. Dan Yu

National Key Laboratory of Antennas and Microwave Technology

Xidian University

China

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Shu-Xi Gong,

Prof. Shu-Xi Gong

Xidian University

China

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Yunxue Xu,

Dr. Yunxue Xu

Xidian University

China

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Yang-Tao Wan

Dr. Yang-Tao Wan

Xidian University

China

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Progress In Electromagnetics Research Letters, Vol. 51, 27-31, 2015

doi:10.2528/PIERL14112004

Abstract

A center-feed dual-band dual-polarized circular microstrip antenna employing the curved slots on the ground is proposed. The proposed antenna radiates φ-polarization by introducing 10 units of curved slots symmetrically on the ground and θ-polarization by the coaxial probe at the center. The measured results show that the proposed antenna provides two resonant bands, TM₀₁ and TM₀₂ modes, covering the frequency bands of the WLAN (2.4-2.484 GHz) with an omnidirectional right-handed circular polarized (RHCP) radiation pattern and the WiMAX (3.3-3.6 GHz) with an omnidirectional horizontal polarized radiation pattern, respectively. In addition, the effects of the unit number of the curved slots and the width of the slots on the frequency ratio of these two resonant frequencies are studied. Furthermore, for the low profile of 0.056 λ₀ and good omnidirectional characteristic, the antenna is suitable for the modern multi-band wireless communication systems.

Citation

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Dan Yu, Shu-Xi Gong, Yunxue Xu, and Yang-Tao Wan, "Dual-Band Dual-Polarized Circular Microstrip Patch Antenna with the Curved Slots on the Ground," Progress In Electromagnetics Research Letters, Vol. 51, 27-31, 2015.
doi:10.2528/PIERL14112004

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