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Design of Planar Inverted-F Antenna with Wide and Multi Band Characteristic for Mobile Handset
Hoon PARK Jaehoon CHOI
Publication
IEICE TRANSACTIONS on Communications
Vol.E89-B
No.9
pp.2655-2658 Publication Date: 2006/09/01 Online ISSN: 1745-1345
DOI: 10.1093/ietcom/e89-b.9.2655 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Antennas and Propagation Keyword: internal antenna, multiband antenna, planar inverted-F antenna (PIFA), small antenna, wideband antenna,
Full Text: PDF(708.8KB)>>
Summary:
The development of a small and multiband antenna plays an important role in the rapidly growing mobile communication market. This paper presents the design of a novel small and wideband planar inverted F-antenna which simultaneously covers GSM850/GSM900/DCS1900/IMT2000/WLAN/DMB services. The proposed antenna consists of a main patch with a pair of slits and L-shaped patch, occupying a total volume of 15366 mm3. A very wide impedance bandwidth characteristic was achieved by optimizing both the gap distance between the feed line and L-shaped patch, and also the lengths and widths of a pair of slits on the main patch, which is excited by the modified CPW-fed line. The average gains at the frequencies of 850, 2000 and 2600 MHz were -2.51, -1.42 and -1.68 dBi, respectively. The overall shape of the radiation patterns is suitable for mobile communications.
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