Abstract:In this paper, a rectangular microstrip patch antenna for multiband operation is designed and simulated. The proposed geometry of antenna covers three frequency bands and can be used for different wireless applications. The designed antenna has simple shape of rectangular patch with a co-axial feed. The performance parameters for proposed rectangular multislot antenna such as return loss, gain, directivity, bandwidth, VSWR are studied. The proposed antenna shows maximum gain up to 6.69dBi, bandwidth above 108MHz, and maximum directivity of 10.53dBi. IE3D (Integral Equation in Three Dimensions) software has been used for design and simulation of proposed antennas.
In this paper, an annular-ring microstrip patch antenna is designed and simulated using IE3D (electromagnetic simulation and optimization simulator based on MoM). The antenna is designed for dualband operation in frequency range from 4.5GHz to 9.2GHz. By introducing slots on a circular patch, a multiband antenna can be defined. The performance parameters of proposed annular-ring microstrip patch antenna such as return loss, gain, radiation pattern, bandwidth etc. are examined and a comparison is made with conventional circular microstrip patch antenna. The proposed antenna shows dual band behavior with return loss less than -19dB, VSWR <1.5 and good directivity.
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