Abstract
This paper presents a simulation and analysis of a circular patch antenna with different feeding techniques. The objectives of this analysis are to design the microstrip circular patch antennas using five types of feedings techniques which are stepped feed, inset feed, coaxial feed, aperture coupled feed, and proximity feed, to analyze and compares the performance of the antenna design. Performance characteristics of the antenna such as return loss S11 parameter <-10dB, directivity, gain, bandwidth, side lobe level, beam width, and voltage standing wave ratio (VSWR) parameters of each of the feeding methods designs are obtained and compared.
Highlights
A lot of methods which can improve the patch antenna performance have been proposed by many researchers [1]
One of the methods to lead maximum power of transmission in patch antenna is the feeding techniques. It is important in designing of the patch antenna and the techniques that choose in the design plays an important role in the impedance matching
By using the basic line feed technique as in figure 6, this design is considered as the elementary design of this circular patch antenna
Summary
A lot of methods which can improve the patch antenna performance have been proposed by many researchers [1]. One of the methods to lead maximum power of transmission in patch antenna is the feeding techniques. It is important in designing of the patch antenna and the techniques that choose in the design plays an important role in the impedance matching. Inset feed types offer high gain but less efficient in radiation efficiency. With this statements result from the previous research study, it is clear that different feeding techniques give different characteristic performances. Selecting types of feedings is one of the most important features in designing the microstrip circular patch antenna to meets the design requirements
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