Abstract
A novel compact dual-polarized antenna is proposed. The antenna has a 1.43% impedance bandwidth which is from 1801 MHz to 1827 MHz for return loss larger than 10 dB. The isolation between the two ports is above 28 dB in the bandwidth, and the gain is 6.6 dBi. The proposed antenna not only consists of a full-planar structure, but also is easy to be fabricated for its simple structure. Additionally, a section of slots and slits is cut on the radiation patch to reduce the area of it to 54% compared with the conventional square patch.
Highlights
In modern wireless communication systems and mobile communications base stations, dual-polarized antennas are widely used to achieve polarization diversity, which can increase the capacity and reduce the installation costs
We propose a full-planar dual-polarized antenna with a simple and more compact configuration operating at global system for mobile communication (GSM) frequency 1.8 GHz
A novel slotted dual-polarized planar antenna is presented in this paper
Summary
In modern wireless communication systems and mobile communications base stations, dual-polarized antennas are widely used to achieve polarization diversity, which can increase the capacity and reduce the installation costs. A compact dual-polarized wideband patch antenna array for the unlicensed 60 GHz band is designed in [12] It provides a wide bandwidth for wireless high data rate communication systems while its fabrication process is very complex. Reference [14] proposes a single-feed circularly polarize patch antenna; the antenna uses U-slot loaded patch technique to effectively reduce the resonant frequency. In [16], a novel single-feed circularly polarized microstrip antenna is proposed which uses a cross slot in the center of the patch and four slits on the edge to reach compact size. We propose a full-planar dual-polarized antenna with a simple and more compact configuration operating at global system for mobile communication (GSM) frequency 1.8 GHz. The antenna consists of a single-layer structure and two coaxial probe feeds. The area of the patch is effectively reduced by using a section of slots and slits
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