CP microstrip antenna with wide beamwidth for GPS band application

C. W. Su, S. K. Huang, Ching-Her Lee

Research output: Contribution to journalArticlepeer-review

93 Citations (Scopus)


This paper presents a technique developed for increasing the beam width of the circularly polarised (CP) radiation. With a pyramidal ground structure and a partially enclosed flat conducting wall adopted, the designed CP patch antenna has a height of about 0.12λ only and exhibits a 3dB axial-ratio beamwidth of more than 130°. The experimental results for operating in the 1575MHz GPS band are presented and discussed.

Original languageEnglish
Pages (from-to)1062-1063
Number of pages2
JournalElectronics Letters
Issue number20
Publication statusPublished - 2007 Oct 1

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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