Compact Expressions for Efficiency and Bandwidth of Patch Antennas Over Lossy Magneto-Dielectric Materials

Closed-form formulas for calculating the radiation efficiency and bandwidth of patch antennas over lossy magneto-dielectric materials are proposed by using the cavity model. These expressions agree well with simulations. It is well known that the bandwidth of microstrip antennas is enhanced when the...

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Veröffentlicht in:	IEEE antennas and wireless propagation letters 2011, Vol.10, p.63-66
Hauptverfasser:	Niamien, Constant, Collardey, Sylvain, Sharaiha, Ala, Mahdjoubi, K.
Format:	Artikel
Sprache:	eng
Schlagworte:	Antenna miniaturization Bandwidth cavity model Dielectric losses losses Magnetic resonance imaging magneto-dielectrics Microstrip antennas radiation efficiency Substrates
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