Micro strip patch antennas are highly in demand because of having so many advantages like small size, low cost, light weight but this antenna also have some drawbacks like low gain, narrow bandwidth, low efficiency, surface wave excitation. In this paper, performance parameters of micro strip patch antenna array which is applying with a novel geometry of defected ground structure (DGS) is calculated. Here we first discuss about the introduction of micro strip patch antennas and array after that we will discuss the parameters which we can improve using antenna array and defected ground and then discuss the simulated results.
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