A New Type of Conformal Antenna Using Magnetic Flux Channels

Auckland, D.T.; Daniel, Chris; Díaz, Rodolfo E.

doi:10.1109/milcom.2014.67

Cited by 3 publications

(1 citation statement)

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“…Antenna design in military and communication applications has always sought innovations to reduce visibility, drag, and fuel consumption. The conventional monopole, whip, or blade antennas used on ships, soldiers, and military vehicles are conspicuous, risking exposure to the enemy, causing significant drag, and leading to increased fuel consumption [1][2][3][4].…”

Section: Innovations and Limits In Magnetodielectric Antennasmentioning

confidence: 99%

Ultracompact and conformal magnetodielectric antennas

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Novel approaches are needed for improving antenna performance, enhancing efficiency, and reducing the size, profile, number, and signature of antennas. Efficient conformal antennas are increasingly replacing traditional antennas across platforms such as ships, aircraft, and human interfaces. Magnetodielectric antennas made with high-hesistivity magnetic materials are getting more and more attention. Defined as the maximum magnetic conductivity, hesitivity is directly related to the radiation efficiency of magnetodielectric antennas, with a higher hesitivity corresponding to higher attainable efficiency. In this study, new ultra-compact conformal magnetodielectric antennas are demonstrated, employing commercially available ferrite ceramic substrates. Through rigorous simulation and fabrication, a comprehensive comparison of our magnetodielectric antennas with reference monopole antennas demonstrated superior efficiency, enhanced gain, bandwidth, and a substantial reduction in antenna size compared to monopole antennas. Validation of the antenna miniaturization was carried out by comparing with a new wood slabs core antenna. This study also includes an exploration of the Chu-Harrington limit, indicating the potential of magnetodielectric antennas. Further exploration of the new Magnetodielectric Antenna design was undertaken, but its performance was constrained by antenna efficiency and environmental noise. This study forecasts the potential development of new magnetic materials with higher hesitivity, leading to further advancements in magnetodielectric antennas with enhanced radiation efficiency.

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Section: Innovations and Limits In Magnetodielectric Antennasmentioning

confidence: 99%