Design of a Multiband Antenna

novel

Abstract  In this paper, a planer inverted-F antenna with
wideband characteristic is proposed for GSM850/DCS1800/DCS
1900/IMT200/WLAN/DMB services at the same time. The
proposed antenna is composed of a main patch with a pair of
slant slits and L-shaped patch and has total volume of 15 × 45 × 8
mm3. To achieve triple band operation, the length and width of a
slant slit 1 on the main patch are optimized. To increase the
impedance bandwidth of an antenna, the length and width of two
slant slits on the main patch, which is excited by the modified
CPW-fed, are changed. The length and height of an L-shaped
patch between the main patch and ground plane are optimized.
Measured results show that the proposed antenna provides
enough bandwidth to cover six bands for return loss than -10 dB.
Good broadside radiation patterns are also achieved for all six
bands of interest. Measured results are presented and discussed
in detail.
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sunxjsrain

支持, 学习

hhh12503

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neuqjiake

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soso-ap

，，，贵！