科赫分形天线采用直角等腰三角形微带贴片天线结构用于WiMAX

Manisha Gupta, Vinita Mathur
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引用次数: 0

摘要

提出了一种适用于WLAN和WiMAX操作的双频cpw馈电Koch分形天线。利用自相似特性,增大直角等腰三角形贴片的周长,设计了天线。所提出的天线由50Ω微带线馈电,并在尺寸为40 (L) × 40 (W) × 1.59(H) mm3的低成本FR4基板上制造。该天线显示出可接受的增益,在无线应用的频段内具有几乎全向的辐射方向图。在二次迭代中,为了获得更好的增益,引入了接地缺陷。
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Koch fractal antenna using right angled isosceles triangular microstrip patch antenna structure for WiMAX
A dual band CPW-fed Koch fractal antenna, suitable for WLAN and WiMAX operations, is proposed in this paper. The antenna has been designed by increasing the perimeters of right angled isosceles triangular shape patch by using self-similarity property. The proposed antenna is fed by a 50Ω Microstrip line and fabricated on a low-cost FR4 substrate having dimensions 40 (L) × 40 (W) × 1.59(H) mm3. The antenna shows acceptable gain with nearly omni-directional radiation pattern in the frequency band for wireless applications. In second iteration defect in ground is introduced for better gain.
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