COMPACT DUAL BAND 1.8/3.3 GHZ PLANAR MONOPOLE ANTENNAS USING TUNING MECHANISMS FOR GSM/WIMAX | Zendy

Chi-Lin Tsai | Zendy; ChinLung Yang | Zendy

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COMPACT DUAL BAND 1.8/3.3 GHZ PLANAR MONOPOLE ANTENNAS USING TUNING MECHANISMS FOR GSM/WIMAX

Author(s) -

Chi-Lin Tsai,

ChinLung Yang

Publication year - 2012

Publication title -

progress in electromagnetics research c

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.341

H-Index - 34

ISSN - 1937-8718

DOI - 10.2528/pierc11102508

Subject(s) - wimax , multi band device , gsm , planar , dual (grammatical number) , electronic engineering , computer science , physics , electrical engineering , optoelectronics , engineering , telecommunications , wireless , antenna (radio) , art , computer graphics (images) , literature

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 reflned 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 2943MHz) at low frequency band. The total area of such a compact antenna including its ground can be efiectively reduced to 0.018‚ 2 .

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