A compact low-profile high-impedance surface for use as an antenna ground plane
Date
2011ISBN
978-1-4244-9563-4Source
IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)
Pages
1832-1835Google Scholar check
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A compact and low-profile high-impedance surface is proposed which offers a significantly smaller footprint without affecting the usable reflection phase bandwidth of the structure. The unit cell of the proposed surface is similar to the traditional mushroom structure, but utilizes inter-digitated-capacitor and spiral-inductor lumped elements to reduce its size without sacrificing the in-phase reflection bandwidth. It is determined that the reflection-phase resonance and bandwidth is largely independent of the shunt inductive loading and depends primarily on the value of the series capacitive loading. Finally, an application of the structure as a high-impedance ground plane for a printed loop antenna is proposed. © 2011 IEEE.
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