High-Isolation XX-Polar Antenna
High-Isolation XX-Polar Antenna
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DOI：
10.1109/tap.2012.2207059
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发表时间：
2012-07
影响因子：
5.7
通讯作者：
Mohsen Kaboli;M. S. Abrishamian;S. Mirtaheri;S. M. Aboutorab
中科院分区：
文献类型：
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作者：
Mohsen Kaboli;M. S. Abrishamian;S. Mirtaheri;S. M. Aboutorab
针对现有的移动的通信系统工作在870-960 MHz（GSM）和1710-2180 MHz（DCS/UMTS）频段，提出了一种采用孔径耦合馈电的双频双极化天线结构。XX-Polar天线是一种具有双频段和双线性倾斜极化的天线。本文中DU频段代表DCS/UMTS频段。测量结果表明，该天线具有良好的宽边辐射特性，包括对称的辐射方向图、低交叉极化电平（20 dB）和高隔离度（> 30 dB）。所设计的天线在低频段（790-970 MHz）驻波小于1.5时，阻抗带宽为20.4%，在高频段（1630-2190 MHz）驻波小于1.6时，阻抗带宽为29.3%。在低频段和高频段测得的平均增益分别约为9.3-10.2和8.6-10 dBi。它在各种无线系统中的阵列天线也有很好的应用前景。
A new configuration of the dual-band and dual-polarized antenna is presented, which is fed by aperture coupling for the existing mobile communication systems working over 870-960 MHz (GSM) and 1710-2180 MHz (DCS/UMTS) frequency band. XX-Polar antenna stands for an antenna with dual-band and dual linear slant polarization. In this paper DU band stands for DCS/UMTS band. Measurement results show that the proposed antenna yields good broadside radiation characteristics including symmetric radiation patterns, low cross-polarization level ( ; 20 dB) and high isolation (>; 30 dB) at both bands. The designed antenna has an impedance bandwidth of 20.4% (790-970 MHz) for VSWR <; 1.5 in the lower band and 29.3% for VSWR <; 1.6 (1630-2190 MHz) in the upper band. The measured average gains are about 9.3-10.2 and 8.6-10 dBi in the lower and upper band, respectively. It is also promising for array antenna in various wireless systems.