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Compact UWB-MIMO antenna with quad-band-notched characteristic

机译:具有四频陷波特性的紧凑型UWB-MIMO天线

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With quad-band-notched characteristic, a compact ultrawideband (UWB) multiple-input-multiple-output (MIMO) antenna is introduced in the paper. The UWB-MIMO system has two similar monopole elements and occupies 30 x 45 mm(2). By inserting two L-shaped slots, CSRR and C-shaped stubs, four notched bands are achieved (3.25-3.9, 5.11-5.35, 5.5-6.06, and 7.18-7.88 GHz) to filter WiMAX, lower WLAN, upper WLAN, and X-band. Meanwhile, the isolation is obviously enhanced with three metal strips on the ground plane. Results indicate that the antenna covers UWB frequency band of 3.1 - 10.6 GHz except four rejected bands, isolation of better than -18 dB, envelope correlation coefficient of <0.02, and good radiation pattern, thus making it useful for UWB systems.
机译:具有四频带陷波特性的论文介绍了一种紧凑的超宽带(UWB)多输入多输出(MIMO)天线。 UWB-MIMO系统具有两个类似的单极子元素,占用30 x 45 mm(2)。通过插入两个L形槽,CSRR和C形短截线,可以实现四个陷波频段(3.25-3.9、5.11-5.35、5.5-6.06和7.18-7.88 GHz),以过滤WiMAX,较低的WLAN,较高的WLAN和X波段。同时,在接地平面上使用三个金属条明显增强了隔离。结果表明,除四个拒绝频带外,该天线覆盖了3.1-10.6 GHz的UWB频带,隔离度优于-18 dB,包络相关系数<0.02,并且辐射方向图良好,因此使其可用于UWB系统。

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