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Aperture Coupled Microstrip Patch Antenna for WIFI, WiMAX, and Radar Applications
Date
2014-04-25Author
Clayton, Christopher
Type of Degree
thesisDepartment
Electrical EngineeringMetadata
Show full item recordAbstract
The aperture-coupled microstrip patch antenna is presented. The operation frequency
range of antenna is 4.8 - 5.2 GHz. This frequency range is possible due to the use of low
dielectric materials for the patch and microstrip substrate, = 1.03
= 2.6. The antenna
is fed by a microstrip feed line designed for 50 impedance. The
for the antenna at 5 GHz is
-38.3 dB. The -10dB bandwidth of the antenna exceeds 400 MHz which equates to 8%
bandwidth overall. The realized gain for the antenna at 5 GHz is 8.33 dB when = 0°and
= 90°. The maximum sidelobes are -3.02 dB and -2.29 dB when = −55°and = 55°,
respectively. The sidelobe level or the difference between the main beam maximum and the
sidelobe, equals to around 10.62 dB. The co-polarization radiation is above -4 dB while the
cross-polarization is below -32 dB. The overall performance is sufficient to support WIFI,
WiMAX, and radar applications in mobile devices, routers, electronic devices, and for military
purposes.
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