Novel Zeroth-Order Resonant Antenna with Improved Radiation Efficiency

被引：0
|
作者：
Gong, Jian-Qiang [1 ]
Jiang, Jun-Bo [1 ]
Liang, Chang-Hong [1 ]
机构：
[1] Xidian Univ, Natl Key Lab Antennas & Microwave Technol, Xian 710071, Shaanxi, Peoples R China
来源：
ASIA-PACIFIC MICROWAVE CONFERENCE 2011 | 2011年
关键词：
Slot-loaded; simplified composite right-/left-handed; zeroth-order resonant antenna; improved radiation efficiency; TRANSMISSION-LINE;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A compact zeroth-order resonant antenna (ZORA) with improved radiation efficiency is proposed by employing a novel slot-loaded (SL) simplified composite right-/left--handed (SCRLH) transmission line (TL) structure. The operating frequency of the ZORA is independent of its physical size, but is only determined by its constituent unit-cell's shunt resonant frequency. Due to the slots etched in the ground, the zeroth-order resonator's quality factor can be reduced, so that the miniaturized ZORA can produce substantial improvement on the radiation efficiency. Meanwhile, a monopole-like radiation pattern with maximum gain of 2.3 dB is generated with only two-unit-cell configuration. The full-wave simulation results testify the theoretical analyses.
引用
收藏
页码：1706 / 1709
页数：4
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