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A high-impedance ground plane applied to a cellphone handset geometry

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3 Author(s)
Broas, R.F.J. ; Electromagn. Syst. Lab., Raytheon Co., El Segundo, CA, USA ; Sievenpiper, D.F. ; Yablonovitch, E.

A high-impedance electromagnetic surface is a new type of metallic structure exhibiting high surface impedance and the suppression of propagating surface currents at a particular frequency band. We experimentally characterize such a high-impedance surface designed near 2.4 GHz. We describe an antenna built on such a surface, integrated into a printed circuit board that was designed for the form factor of a portable handset. Measurement shows high radiation efficiency near 2.4 GHz

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Microwave Theory and Techniques, IEEE Transactions on  (Volume:49 ,  Issue: 7 )