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A Design and Manufacture of Modified Rhombus Slot UWB antenna with Fork-shaped-Feedline

포크 모양의 급전 구조를 갖는 변형된 마름모 슬롯 UWB 안테나 설계 및 제작

Ha, Sung-Jea;Yoon, Joong-Han
하성재;윤중한

  • Received : 2016.03.11
  • Accepted : 2016.04.30
  • Published : 2016.07.31

Abstract

In this paper, we propose a modified rhombus slot UWB(Ultra Wide Band) antenna with fork-shaped feeding structure. The proposed antenna is modified rhombus slot structure and fork-shaped feeding structure to get ultra-wideband characteristics for UWB communication. Modified rhombus slot structure consists of slot shaped which eliminated upper and lower part of the basic rhombus slot. The antenna is designed on an FR-4 substrate of which the dielectric constant is 4.4, and its overall size is $34mm(W_1){\times}34mm(L_1){\times}1mm(t)$, and its slot antenna size is $30mm(W_2){\times}16.75mm(L_3+L_4)$. After carrying out the simulation of each parameters, optimized values are obtained. From the fabricated and measured results, return loss of the proposed antenna satisfied Return Loss -10dB in 3.1 ~ 10.6 GHz. And measured results of gain and radiation patterns characteristics displayed for operating bands.

Keywords

Slot Antenna;Modified Rhombus Slot;Fork-shaped-fed;UWB(Ultra-Wide band) Application

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