Performance analysis of circular polarization X-band microstrip patch antenna combined with conical horn

B. Pratiknyo Adi Mahatmanto (National Research and Innovation Agency (BRIN))
Dedi Irawadi (National Research and Innovation Agency (BRIN))
Hidayat Gunawan (National Research and Innovation Agency (BRIN))
Nugroho Widi Jatmiko (National Research and Innovation Agency (BRIN))
Dinari Nikken Sulastrie Sirin (National Research and Innovation Agency (BRIN))
Supriyono Supriyono (National Research and Innovation Agency (BRIN))
Suhermanto Suhermanto (National Research and Innovation Agency (BRIN))
Bambang Dewandaru (President University)
Catur Apriono (Universitas Indonesia)

TELKOMNIKA (Telecommunication Computing Electronics and Control)
Vol 22, No 5: October 2024

A ground station antenna system features a conical horn attached to a microstrip antenna as an alternate receiving feed antenna. The proposed microstrip antenna has circular polarization and operates in the X-band. The far-field parameters of the antenna are measured after developing and simulating the combination of a conical horn and a microstrip antenna. The modeling results for a microstrip antenna with a conical horn offer a working bandwidth of 930 MHz, spanning frequencies 7.44 GHz to 8.37 GHz. The axial ratio measurements for a microstrip antenna joined with a conical horn produce a working bandwidth of 150 MHz, covering frequencies ranging from 7.72 GHz to 7.87 GHz. The conical horn is attached to a microstrip antenna and has a gain of 15.1 dB. The proposed antenna is designed to meet ground station antenna requirements by pairing it with a parabolic reflector with a diameter of 3.7 meters. The primary focus antenna of the proposed design was chosen. The feed antenna and parabolic reflector should be positioned at a focus point distance of 1110 mm for a total gain of 38.9 dB at 7.8 GHz frequency. The proposed antenna can be applied on X-band remote sensing ground stations as a receiving antenna.