The Design of a Microstrip Patch Antenna with a Slotted Patch for Dual-Band Wireless Applications Operation Using CST Software
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Abstract
Microstrip patch antennas) MPAs) are multifunctional in terms of their geometrical shapes and implementation. The proposed antenna consists of five rectangular slots, which are simulated by using CST programming. The lightweight structure and the suitability for integration with microwave integrated circuits are two more of their several advantages. Also, the simplicity of the structures makes this type of antennas appropriate for cost-effective manufacturing. And this is also one key characteristic why MSPs are used in wireless communication applications and it can give dual and circular polarization, dual-band frequency operation, and wide-band, feed line flexibility. Therefore, an optimized adjusting parameters and adding slot microstrip rectangular patch antenna introduced in this paper for wireless communication applications. The antenna was fabricated on h = 1.6 mm thick dielectric substrate with dielectric constant ( = 4.3). The slots were holed on the top plane of the antenna substrate and fed through microstrip transmission line. The simulated results show that the slotted MPA resonates at 2.45 and 3.188 GHZ with a bandwidth of 0.67 GHz (27.34%) and 0.4 GHz (12.5%) within a reflection coefficient of -45.32and -46.11 dB respectively. The measured resonant frequencies are 2.40 and 3.05 GHz, showing good agreement with the simulated results. The simulated results also show antenna gains of 5.713 and 5.283 dBi, directivity of 6.17 and 5.46 dBi with Voltage standing wave ratio (VSWR) of 1.279 and 1.265 respectively.
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