Multi-radiating-element printed inverted-F antenna with independent resonant frequencies for bandwidth enhancement

Il Young Oh, Sang Hyuk Wi, Yongshik Lee, Jong Gwan Yook

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

This letter demonstrates a simple yet very effective method of bandwidth enhancement for popular printed inverted-F antennas (PIFAs). An additional radiating element is printed on the other side of the substrate, on the same side as the partially modified ground plane. Together with the primary radiating element, these provide different three electrical paths. The bandwidth of the antenna can be enhanced substantially by optimally locating the corresponding resonant frequencies. Most of all, each of the three radiators has negligible effect on the performance of the other two radiators, implying that they can be designed independently. While maintaining the far-field radiation patterns, as much as 12.6% increase in the relative bandwidth over the 7.0% bandwidth of a conventional PIFA is demonstrated.

Original languageEnglish
Article number5580128
Pages (from-to)926-929
Number of pages4
JournalIEEE Antennas and Wireless Propagation Letters
Volume9
DOIs
Publication statusPublished - 2010

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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