dual planar inverted antenna(pifa) for wlan

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mayasin007

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hi

i am doing project about dual frequency planar inverted f andtenna for wlan application (2.4 and 5.5 ghz) antenna and i am facing some problems about the feeding and parameters calculations and i want to use coaxial feeding probe.



this is the type of design i want and when i simulate it it doesnt show the the desired dual frequency. any one know what the problem is?
View attachment PIFA.zip
 

I would try to get this book: "Multiband integrated antennas for 4G terminals" published by Artech House

Here is one dual band PIFA approach quoted there:
**broken link removed**
 

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