Multi-bands antenna for metal-rimmed handset terminals

Peiyi Qiu, Quanyuan Feng, Koto Miyahara, Haruichi Kanaya

Research output: Contribution to journalArticlepeer-review


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
Pages (from-to)738-743
Number of pages6
JournalMicrowave and Optical Technology Letters
Issue number4
Publication statusPublished - Apr 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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