Compact dual band 1.8/3.3GHz planar mono-pole antennas using tuning mechanisms for GSM/WIMAX

C. L. Tsai, C. L. Yang

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


This study is designed mainly for dual band antennas of GSM/WiMAX operation in a wireless mobile communication device. This study proposes a matching technology for single path resonance in a basic monopole antenna running in dual-mode [1] and extends to a wide tuning range. The tuning of each frequency band is complicated under the constraint of the common path of dual-mode due to mutual interaction. This study proposes a re-ned process and new type of antennas for excellent dual-frequency matching. The incorporation of such a matching mechanism into a tuning monopole antenna enables the °exible operation bands. Moreover, the ground plane size can be shrunk to a reasonable size, and the details will be discussed in Section 6. As a result, antennas can achieve a tuning ratio of 1.6 (from 1825 to 2943 MHz) at low frequency band. The total area of such a compact antenna including its ground can be effectively reduced to 0.018λ20.

Original languageEnglish
Pages (from-to)55-68
Number of pages14
JournalProgress In Electromagnetics Research C
Publication statusPublished - 2012

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials


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