ITE Technical Report
Online ISSN : 2424-1970
Print ISSN : 1342-6893
ISSN-L : 1342-6893
Session ID : BCS2000-147/BFO2000-
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A Conical Beam Antenna using a Probe Excited Hemispherical Loop on the Ground Plane
Sompol KosulvitChuwong PhongcharoenpanichSanya AmnartplukPhaisan NgamjanyapornMonai KrairikshToshio Wakabayashi
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This paper reports the characteristics of the conical beam antenna for the application of the wireless Local Area Network system. The directivity enhancement of the conical beam antenna using the conventional monopole on the ground plane can be accomplished by adding the appropriate hemispherical loop surrounding the monopole. The monopole acts as an active element whereas the hemispherical loop exhibits as the parasitic elements. The characteristics of the proposed antenna such as the radiation pattern, directivity, elevational beam peak, back lobe level and azimuthal ripple are illustrated. The experimental results of the radiation pattern are verified the proposed principle and confirmed that this antenna is useful as the base station antenna for wireless LAN application.

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© 2000 The Institute of Image Information and Television Engineers
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