Multi-bands antenna for metal-rimmed handset terminals

Peiyi Qiu, Quanyuan Feng, Koto Miyahara, Haruichi Kanaya

Research output: Contribution to journalArticlepeer-review

Abstract

This article proposes a compact hepta-band antenna for unbroken metal-rimmed mobile applications. The proposed antenna includes a vertical copper plate, an open slot and printed multi-branches on both sides of the substrate. The 1-λ bezel mode is employed to cover the GSM850/900 operating bands. By combining the different modes of the multiple branches, the proposed antenna is capable of covering GSM1800/1900, UMTS, GSM2300/2500 bands. Besides, a design strategy for enhancing the bandwidth of lower and higher bands is introduced. The mentioned structures are combined on the 122 × 60 mm2 substrate board without lumped elements. The measured results show our proposed antenna achieves three-wide bandwidths, which typically agree with the simulation results. Meanwhile, the performances of radiation patterns, efficiencies, and gains are also obtained.

Original languageEnglish
JournalMicrowave and Optical Technology Letters
DOIs
Publication statusAccepted/In press - 2022

All Science Journal Classification (ASJC) codes

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

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