A Quad-Band printed planar inverted-F antenna with a quasi-rectangular loop for mobile phones

Jungho Ahn, Junho Choi, Seunghwan Kim, Jaeho Lee, Austin S. Kim, Young Sik Kim

Research output: Contribution to journalArticle

Abstract

In this letter, a printed planar inverted-F antenna is proposed for a quad-band operation.The proposed quasi-rectangular loop configuration yields the first and second resonant frequencies at 900 and 1800 MHz, respectively. The additional shorted strip on the bottom can expand the bandwidth at the upper band. The proposed antenna area is 8 × 38 mm 2 and the ground size is 72 × 40 mm 2. The measured impedance bandwidth, determined by 3:1 VSWR, has fully covered the GSM900 (880-960 MHz), DCS (1710-1880 MHz), PCS (1850-1990 MHz), and UMTS (1920-2170 MHz) frequency bands. The measured gain is higher than -1 dBi over the entire quad-band.

Original languageEnglish
Pages (from-to)2337-2341
Number of pages5
JournalMicrowave and Optical Technology Letters
Volume54
Issue number10
DOIs
Publication statusPublished - 2012 Oct 1

Keywords

  • coupling
  • mobile phone
  • multiband antenna
  • planar inverted-F antenna
  • shorted strip

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Atomic and Molecular Physics, and Optics
  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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