Enhancement technique for loop type ground radiation antenna using ground mode tuning structure

Zeeshan Zahid, Hyeongdong Kim

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

In this paper, an efficiency enhancement technique is proposed for a loop type ground radiation antenna on a small sized ground plane whose resonance frequency of the fundamental ground mode is significantly higher than the operating frequency. The efficiency is enhanced by matching the resonance frequency of the ground mode with the operating frequency. This was accomplished with a structure consisting of a loop of wire and inductors installed at both edges of the rectangular ground plane. The total length of each fabricated wire is 80 mm, which can be easily accommodated in the rim of a mobile device. The technique also increased the operating bandwidth. The measured efficiency of the antenna using the proposed technique is 47.44% and the bandwidth is 74 MHz at the Z-wave band.

Original languageEnglish
Pages (from-to)476-478
Number of pages3
JournalMicrowave and Optical Technology Letters
Volume59
Issue number2
DOIs
StatePublished - 2017 Feb 1

Fingerprint

Antenna grounds
antennas
Tuning
tuning
Radiation
augmentation
radiation
Antenna radiation
Wire
Bandwidth
wire
bandwidth
Mobile devices
inductors
rims
Antennas

Keywords

  • bandwidth
  • efficiency
  • ground mode
  • mobile antenna
  • resonance

Cite this

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Enhancement technique for loop type ground radiation antenna using ground mode tuning structure. / Zahid, Zeeshan; Kim, Hyeongdong.

In: Microwave and Optical Technology Letters, Vol. 59, No. 2, 01.02.2017, p. 476-478.

Research output: Contribution to journalArticle

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AB - In this paper, an efficiency enhancement technique is proposed for a loop type ground radiation antenna on a small sized ground plane whose resonance frequency of the fundamental ground mode is significantly higher than the operating frequency. The efficiency is enhanced by matching the resonance frequency of the ground mode with the operating frequency. This was accomplished with a structure consisting of a loop of wire and inductors installed at both edges of the rectangular ground plane. The total length of each fabricated wire is 80 mm, which can be easily accommodated in the rim of a mobile device. The technique also increased the operating bandwidth. The measured efficiency of the antenna using the proposed technique is 47.44% and the bandwidth is 74 MHz at the Z-wave band.

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