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4 × 1 Array Antenna with Harmonic Suppression Capability

  • Nur Aisyah Amir
  • Shipun Anuar HamzahEmail author
  • Shaharil Mohd Shah
  • Khairun Nidzam Ramli
  • Mohamad Md Som
  • Mohd Shamian Zainal
  • Fauziahanim Che Seman
  • Mazlina Esa
  • Nik Noordini Nik Abd Malik
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 547)

Abstract

A 4 × 1 rectangular patch array antenna with electromagnetic bandgap (EBG) structure and filters is proposed in this work. The antenna operates at 2.45 GHz which is suitable to be used in the rectenna system and has the ability to suppress the higher order harmonics. To combine harmonic suppression and filtering functions within the antenna, two filters on the feed line and EBG structure on the ground plane are implemented into the array antenna configuration. The filter is designed such that unwanted signals are removed to achieve higher order harmonic rejection mode. The EBG structure which is located on the ground plane, act as a Defected Ground Structure (DGS). The structure provides a low pass representative with improved harmonic suppression performance in the upper frequency of the stop band. For demonstration, a 4 × 1 rectangular patch array antenna operating at 2.45 GHz is designed, fabricated, and measured. Reasonable agreements between simulated and measured results are observed. The prototype exhibited excellent suppression at 5.56 and 7.2 GHz in the presence of the EBG structure and filters. The return loss also increases to −29.99 dB at the operating frequency with increases in gain.

Keywords

Array antenna Harmonic suppression antenna Stub-filter DGS 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Nur Aisyah Amir
    • 1
  • Shipun Anuar Hamzah
    • 1
    Email author
  • Shaharil Mohd Shah
    • 1
  • Khairun Nidzam Ramli
    • 1
  • Mohamad Md Som
    • 1
  • Mohd Shamian Zainal
    • 1
  • Fauziahanim Che Seman
    • 1
  • Mazlina Esa
    • 2
  • Nik Noordini Nik Abd Malik
    • 2
  1. 1.Faculty of Electrical and Electronic EngineeringUniversiti Tun Hussein Onn MalaysiaParit Raja, JohorMalaysia
  2. 2.Faculty of Electrical EngineeringUniversiti Teknologi Malaysia, UTM Johor BahruJohorMalaysia

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