Compact Expressions for Efficiency and Bandwidth of Patch Antennas Over Lossy Magneto-Dielectric Materials - Normandie Université Access content directly
Journal Articles IEEE Antennas and Wireless Propagation Letters Year : 2011

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

Abstract

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 dielectric substrate is replaced by a magnetic one. Here, we confirm more generally that not only the bandwidth, but also the radiation efficiency, can be improved when the permeability (μ r ) is greater than the permittivity (ε r ).
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hal-02428426 , version 1 (05-01-2020)

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Constant Niamien, Sylvain Collardey, Ala Sharaiha, K. Mahdjoubi. Compact Expressions for Efficiency and Bandwidth of Patch Antennas Over Lossy Magneto-Dielectric Materials. IEEE Antennas and Wireless Propagation Letters, 2011, 10, pp.63-66. ⟨10.1109/LAWP.2011.2107493⟩. ⟨hal-02428426⟩
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