Compact uni-planar antenna with polarization diversity for UWB applicaton in portable devices
Antennas and Propagation Society International Symposium（2014）
摘要
A uni-planar multiple-input multiple-output (MIMO) antenna with a small foot print of 23 × 41 mm2 for ultra wideband applications is presented. It consists of a coplanar waveguide (CPW) fed circular disk monopole as an antenna element. The isolation between the monopoles are maintained using a 7-shaped stub extended from one of the finite ground of CPW. The compact antenna provides 2:1 VSWR bandwidth of 2.6GHz to more than 11GHz. It also exhibits a high inter-port isolation of > 25dB from 2.6GHz to 11GHz. In addition the antenna provides, good radiation characteristics and a moderate gain across the band, which makes it an excellent candidate for portable UWB applications.
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关键词
mimo communication,antenna feeds,antenna radiation patterns,coplanar waveguides,diversity reception,monopole antenna arrays,planar antenna arrays,ultra wideband antennas,waveguide antenna arrays,7-shaped stub,cpw fed circular disk monopole,uwb applicaton,vswr bandwidth,antenna element,compact uni-planar antenna,coplanar waveguide fed circular disk monopole,frequency 2.6 ghz to 11 ghz,inter-port isolation,polarization diversity,portable devices,radiation characteristics,ultra wideband applications,uni-planar mimo antenna,uni-planar multiple-input multiple-output antenna,compact antenna,uwb antenna,mimo,microstrip antennas,finite element analysis
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