Abstract

 
 
 
 In this work, tri resonance multi slot microstrip patch antenna which operates at three center frequencies of 11 GHz, 11.9 GHz, 15.7 GHz is designed and simulated. As a commercial simulation tool, Sonnet Suites, a planar 3D electromagnetic simulator was used. Details of the simulation results are presented and discussed. As a result, an input match of -6.88 dB at the resonance frequency of 11 GHz, an input match of -37.12 dB at the resonance frequency of 11.9 GHz, an input match of -29.49 dB at the resonance frequency of 15.7 GHz were observed. The gain was observed as 8.25 dB at 11 GHz and 4.82 dB at 11.9 GHz. Also, the gain was observed as 7.07 dB at 15.7 GHz. The patch has several symmetric slots and it’s well known that slots change the current distribution of the patch antenna.
 
 
 
Highlights
Microstrip patch antenna has been studied in use for a long time
Re-searchers think that multiband antennas provide solutions
A multi-band antenna can be made by changing the antenna shape [3]
Summary
Microstrip patch antenna has been studied in use for a long time. The demand for conformability, portability, low cost, light weight has increased. A single wide-band antenna may fulfill the requirement but on account of receiving more than one frequency band at the same time and is prone to interference [2] They have some limitations, especially narrow bandwidth. Many techniques have been reported to reduce the size of microstrip antennas at a fixed operating [4] These periodic structures would allow a single patch antenna to resonate at multiple frequencies, so that by adjusting their number, shape, width and their positions with respect to each other within the patch, the selection of the desired set of bands is achieved. The main purpose is to design a microstrip patch antenna system in the range of 11 to 22GHz [5] These different studies have been reported in the literature studies of antennas with different frequency and bandwidths
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