Journal of Advanced Navigation Technology (한국항행학회논문지)

The Korean Navigation Institute (한국항행학회)
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Design and Implementation of UWB Antenna with 5G Mobile Communication and WLAN Bands Rejection Characteristics

5세대 이동통신 및 WLAN 대역저지 특성을 갖는 UWB 안테나 설계 및 구현

  • Yang, Woon Geun (Department of Electronics Engineering, Incheon National University) ;
  • Nam, Tae Hyeon (Department of Electronics Engineering, Incheon National University)
  • 양운근 (인천대학교 전자공학과) ;
  • 남태현 (인천대학교 전자공학과)
  • Received : 2018.08.03
  • Accepted : 2018.08.21
  • Published : 2018.08.31
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Abstract

In this paper, we designed and implemented an ultra wideband (UWB) antenna with 5G mobile communication and WLAN bands rejection characteristics. The proposed antenna consists of a planar radiation patch with two slots, parasitic elements on both sides of the strip line and ground plane on back side. The upper n-type slot contributes for 5G mobile communication band (3.42~3.70 GHz) rejection and the lower n-type slot contributes for wireless local area network (WLAN) band (5.15~5.825 GHz) rejection. Parasitic elements were used in order to satisfy the voltage standing wave ratio (VSWR) less than or equal to 2.0 for UWB band (3.10~10.60 GHz) except two rejection bands. The Ansoft's high frequency structure simulator (HFSS) was used for antenna design and simulations. The simulated antenna showed dual rejection bands of 3.36~3.71 GHz and 5.13 ~ 5.92 GHz in UWB band, and measured result for the implemented antenna showed dual rejection bands of 3.40~3.72 GHz and 5.08~5.858 GHz. Simulated and measured VSWRs are less than or equal to 2.0 for all UWB band except dual rejection bands.

본논문에서는 5세대 이동통신 및 WLAN 대역저지 특성을 갖는 UWB (ultra wideband) 안테나를 설계 및 구현하였다. 제안된 안테나는 두 개의 슬롯을 갖는 평면 방사 패치와 스트립선로 양쪽의 기생소자와 뒷면 접지면으로 구성되어 있다. 위쪽의 n-모양의 슬롯은 5세대 이동통신 대역(3.42~3.70 GHz)을 저지하고, 아래쪽의 n-모양의 슬롯은 WLAN (wireless local area network) 대역(5.15~5.825 GHz)을 저지하는데 기여한다. 그리고 UWB 대역 (3.10~10.60 GHz)에서 저지 대역을 제외한 전대역에서의 전압정재파비(VSWR; voltage standing wave ratio)를 2.0 이하로 만족시키기 위해 기생소자를 사용하였다. 안테나의 설계 및 전산모의실험에는 Ansoft사의 HFSS (high frequency structure simulator)를 사용하였다. 안테나의 전산모의실험결과 UWB 대역에서 3.36~3.71 GHz, 5.13~5.92 GHz 대역을 저지하며, 구현된 안테나의 측정 결과 3.40~3.72 GHz, 5.08~5.88 GHz 대역을 저지함을 보였다. 전산모의실험과 구현된 안테나의 측정 결과, 저지 대역을 제외한 UWB 전 대역에서 VSWR 값이 2.0 이하를 만족하였다.

Keywords

References

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