A Multi-Band Planar Monopole Antenna with Slits and a Stub

Seung-Bok BYUN  Gyu-Tae BACK  Jong-Hyuk LIM  Tae-Yeoul YUN  

IEICE TRANSACTIONS on Communications   Vol.E92-B   No.6   pp.2349-2351
Publication Date: 2009/06/01
Online ISSN: 1745-1345
DOI: 10.1587/transcom.E92.B.2349
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Antennas and Propagation
multi-band,  planar monopole antenna,  slit,  stub,  vehicle,  

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This paper presents a planar monopole antenna with slits and a stub for multi-band operation in vehicles. The proposed antenna is at least 55% smaller than the regular rectangular monopole antenna and covers eight wireless application bands. Slits cut into the rectangular monopole alter the surface current paths so that the band coverage is expanded. A long bent-stub is also added to cover the lowest service band.