Perancangan dan Simulasi Antena Mikrostrip Patch Array 2x2 untuk 5G Sub-6 GHz pada Prototipe gNodeB Berbasis SDR

M. Fhadli Haryadi (1), Lindawati Lindawati (2), Sopian Soim (3)
(1) Teknik Telekomunikasi, Politeknik Negeri Sriwijaya, Indonesia,
(2) Teknik Telekomunikasi, Politeknik Negeri Sriwijaya, Indonesia,
(3) Teknik Telekomunikasi, Politeknik Negeri Sriwijaya, Indonesia

Abstrak

Guna menjawab kebutuhan akan antena directional dengan gain tinggi pada frekuensi sub-6 GHz, penelitian ini merancang dan mensimulasikan antena mikrostrip patch array 2×2 berbasis substrat FR4 untuk prototipe gNodeB 5G menggunakan Software Defined Radio (SDR) USRP B210. Antena ini menggunakan jaringan pencatu corporate feed dua tingkat berbasis Wilkinson Power Divider untuk mendistribusikan daya secara merata ke empat elemen patch. Simulasi dilakukan pada interval frekuensi 2–4 GHz menggunakan perangkat lunak CST Studio Suite 2025. Hasil simulasi menunjukkan bahwa antena beresonansi pada frekuensi 3,39 GHz dengan return loss (S11) sebesar −11 dB, VSWR 1,7, dan gain maksimum 9,808 dBi. Pola radiasi yang dihasilkan bersifat directional dan sesuai untuk aplikasi gNodeB 5G sub-6 GHz. Efisiensi total tercatat sebesar −8,846 dB, yang sangat dipengaruhi oleh rugi-rugi substrat FR4. Berdasarkan hasil tersebut, rancangan antena ini menunjukkan performa yang memadai untuk implementasi sistem SDR.

Artikel teks lengkap

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Penulis

M. Fhadli Haryadi
mfhadliharyadi3@gmail.com (Kontak utama)
Lindawati Lindawati
Sopian Soim
Haryadi, M. F., Lindawati, L., & Soim, S. (2026). Perancangan dan Simulasi Antena Mikrostrip Patch Array 2x2 untuk 5G Sub-6 GHz pada Prototipe gNodeB Berbasis SDR . CYCLOTRON, 9(02), 94–99. https://doi.org/10.30651/ct.v9i02.31877

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