Design of Microstrip Patch Antennas for Satellite Communication

Meera Menon

Independent Researcher

India

Abstract

Microstrip patch antennas have become the preferred choice for satellite communication due to their low profile, lightweight, ease of fabrication, and integration with microwave circuitry. This manuscript presents the design considerations and performance analysis of microstrip patch antennas operating in typical satellite frequency bands (L, S, C, X, and Ku bands). The study focuses on rectangular and circular patch geometries, investigating key parameters such as return loss, bandwidth, gain, radiation pattern, and efficiency. The antenna designs are analyzed using the method of moments based electromagnetic simulation tools available up to 2021. A comparative statistical analysis highlights the trade-offs between bandwidth and gain for different substrate materials and patch shapes. Results demonstrate that microstrip patch antennas with optimized substrate selection and feeding techniques can achieve satisfactory performance for satellite communication applications. The findings reinforce the suitability of microstrip antennas in modern satellite transceivers while indicating areas for further research in bandwidth enhancement and polarization purity.

Keywords

Microstrip patch antenna, satellite communication, return loss, bandwidth, gain, substrate material, rectangular patch, circular patch.

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