PIFA antenna on (defective grnd plane) EBG substrate-plz hlp

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sakshigupta

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hello every one.

i m designing PIFA antenna on EBG substrate for bluetooth application using IE3D software. the substrate is of defective ground plane. I m getting the bandwidth for bluetooth but the efficiency is around 64%.could anyone can suggest any method to enhance the efficiency.

please help me out...

thanks and regards

sakshi
 

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