Design of a Novel Patch Antenna with Enhanced Gain and Side Lobe Reduction
Engineering and Technology Journal,
2012, Volume 30, Issue 16, Pages 2884-2897
Abstract
The design of an efficient and directive small size antenna, for modern wirelessapplications, is a major challenge. This paper introduces the design and simulation of
new method to enhance the gain and side lobe reduction that improve the performance of
a conventional microstrip patch antenna. In this work three models were discussed and
analyzed. The first model consists of a reference patch antenna plus superstrate-1 of
different thickness. Modification of this model by adding square copper ring represents
the second model. In the third model a second superstrate on the top of the square copper
ring was added. Simulation results illustrate that the first model gives a small
enhancement for the gain and side lobe reduction, only gain enhancement was obtained in
the second model and greater enhancement was achieved for the performance of the
patch antenna in the third model.
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