一种小型化宽带高增益Metamaterial贴片天线

doi:10.3969/j.issn.1001-2400.2012.03.026

Abstract

Abstract:

A miniaturized broad bandwidth and high-gain patch antenna is designed and fabricated using the metamaterial concept via the periodically loaded complementary split-ring resonators(CSRRs) on the upper patch and strip-line gaps on the bottom ground plane, respectively. The novel antenna has a much lower resonant center frequency which is obviously reduced about 36.4%, a wider bandwidth which is significantly broadened from about 2.9% to about 39.9%, and also a lower voltage standing wave ratio than the original antenna. Experimental data show a reasonably good agreement between the simulation and measured results. Also, due to the left-handed characteristics of the metamaterial, the effective medium parameters of the substrate of the antenna are affected, which induces the strongest radiation in the horizontal direction instead of the vertical direction of the conventional patch antenna.

Key words: patch antenna, miniaturization, broadband, high gain, metamaterial

CLC Number:

LIU Tao;CAO Xiangyu;GAO Jun;YANG Qun;LI Wenqiang. Miniaturized broadband and high gain metamaterial patch antenna[J].J4, 2012, 39(3): 161-165.

References

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Miniaturized broadband and high gain metamaterial patch antenna

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