Title :
A cylindrical Fresnel zone antenna
Author :
Ji, Y. ; Fujita, M.
Author_Institution :
ATR Opt. & Radio Commun. Res. Labs., Kyoto, Japan
fDate :
9/1/1996 12:00:00 AM
Abstract :
A cylindrical Fresnel zone antenna as a candidate for a base station in wireless indoor LAN systems is described. An arbitrary angle-tilted fan beam in azimuth can be achieved by moving the position of the strip dipole feed at the cylinder center. A simple theory based on the diffraction integral is developed which predicts the antenna radiation characteristics. The antenna fabrication and measurement are carried out at 9 GHz with good agreement between calculated and measured results
Keywords :
antenna radiation patterns; antenna theory; dipole antennas; electromagnetic wave diffraction; integral equations; microwave antennas; wireless LAN; SHF; angle-tilted fan beam; antenna fabrication; antenna measurement; antenna radiation characteristics; antenna theory; azimuth; base station; calculated results; cylinder center; cylindrical Fresnel zone antenna; diffraction integral; measured results; strip dipole feed; wireless indoor LAN systems; Antenna measurements; Antenna theory; Azimuth; Base stations; Diffraction; Dipole antennas; Feeds; Fresnel reflection; Local area networks; Wireless LAN;
Journal_Title :
Antennas and Propagation, IEEE Transactions on
