Frequency tuning of a dual-band dual-feed PIFA antenna for future mobile communications

A dual‐band dual‐feed planar inverted‐F antenna (PIFA) is tuned with its physical parameters. It is demonstrated that the corner truncation of the patch is less sensitive to the resonant frequency than the patch lengths, but the corner truncation has no adverse effect on the radiation characteristic...

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Bibliographic Details
Published in:Microwave and optical technology letters 2001-12, Vol.31 (5), p.345-349
Main Authors: Karmakar, Nemai C., Heng, Lee Chin, Teong, Chew Boon
Format: Article
Language:English
Subjects:
dual-band dual-feed PIFA
electrically small antennas
frequency tuning
handphone antennas
mobile communications
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Summary:A dual‐band dual‐feed planar inverted‐F antenna (PIFA) is tuned with its physical parameters. It is demonstrated that the corner truncation of the patch is less sensitive to the resonant frequency than the patch lengths, but the corner truncation has no adverse effect on the radiation characteristics of the PIFA. This new technique yields quicker convergence of design frequency than the conventional patch length only tuning. Both theoretical and measured results of the input return loss and radiation patterns are presented. © 2001 John Wiley & Sons, Inc. Microwave Opt Technol Lett 31: 345–349, 2001.
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.10030