MATONDANG, FAZRI PUTRA (2025) PERANCANGAN ANTENA MIKROSTRIP ARRAY MENGGUNAKAN DIELEKTRIK RESONATOR UNTUK APLIKASI 5G. S1 thesis, Universitas Mercu Buana Jakarta.
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Abstract
The advancement of 5G network technology demands antenna systems capable of operating at high frequencies with optimal performance. This research aims to design, simulate, and realize a microstrip array antenna based on a Dielectric Resonator Antenna (DRA) for 5G communication applications in the sub-6 GHz frequency band. The antenna was designed with a 1×4 array configuration using FR-4 substrate and a 99.5% purity Alumina dielectric resonator. Simulations were carried out using software based on the Finite Integration Technique (FIT) algorithm to evaluate performance parameters such as return loss, gain, VSWR, bandwidth, and radiation pattern. The simulation results indicated a return loss of −17.65 dB at 6.36 GHz, a minimum VSWR of 1.30, a bandwidth of 198 MHz, and a Half Power Beamwidth (HPBW) of 16.6°. After fabrication, measurements were conducted using a Vector Network Analyzer and an anechoic chamber. The realized prototype showed a frequency shift to 6.52 GHz with a return loss of −36.90 dB, a VSWR of 1.01, and a bandwidth of 160 MHz. The comparison between simulation and measurement showed good agreement within acceptable tolerance limits. This study demonstrates that combining microstrip array and DRA technology enhances antenna performance for 5G applications and offers potential for further development in future wireless communication systems. Keywords: Microstrip Antenna, Array, Dielectric Resonator, 5G, Sub-6 GHz, VSWR, Return Loss, Gain. Perkembangan teknologi jaringan 5G menuntut sistem antena yang mampu bekerja pada frekuensi tinggi dengan kinerja optimal. Penelitian ini bertujuan untuk merancang, mensimulasikan, dan merealisasikan antena mikrostrip array berbasis Dielectric Resonator Antenna (DRA) untuk aplikasi komunikasi 5G pada frekuensi sub-6 GHz. Antena dirancang dengan konfigurasi array 1×4 menggunakan substrat FR4 dan resonator berbahan Alumina 99,5%. Proses simulasi dilakukan menggunakan perangkat lunak berbasis algoritma Finite Integration Technique (FIT) untuk memperoleh parameter performa seperti return loss, gain, VSWR, bandwidth, dan pola radiasi. Hasil simulasi menunjukkan bahwa antena memiliki return loss sebesar −17,65 dB pada frekuensi 6,356 GHz, VSWR minimum sebesar 1,30, bandwidth 198 MHz, dan HPBW sebesar 16,6°. Setelah fabrikasi, pengujian dilakukan menggunakan Vector Network Analyzer dan anechoic chamber. Hasil realisasi menunjukkan pergeseran frekuensi ke 6,52 GHz dengan return loss −36,90 dB, VSWR 1,01, dan bandwidth 160 MHz. Perbandingan antara simulasi dan realisasi menunjukkan kesesuaian yang baik dengan toleransi deviasi wajar. Penelitian ini menunjukkan bahwa kombinasi mikrostrip array dan DRA dapat meningkatkan performa antena 5G, serta berpotensi dikembangkan lebih lanjut untuk sistem komunikasi nirkabel masa depan. Kata Kunci: Antena Mikrostrip, Array, Dielectric Resonator, 5G, Sub-6 GHz, VSWR, Return Loss, Gain.
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