Perancangan Antena Mikrostrip Array Multiple Input Multiple Output (MIMO) 4 Elemen Dengan Slits dan Slots

Fahrul Solehudin(1), Yuli Kurnia Ningsih(2), Syah Alam(3*)

(1) Jurusan Teknik Elektro, Universitas Trisakti, Indonesia
(2) Jurusan Teknik Elektro, Universitas Trisakti, Indonesia
(3) Jurusan Teknik Elektro, Universitas Trisakti, Indonesia
(*) Corresponding Author

Abstract

Penelitian ini mengusulkan perancangan dan simulasi antena mikrostrip dengan metode array Multiple Input Multiple Output (MIMO) dengan 4 elemen dengan penambahan slits dan slots pada frekuensi kerja 3,5 GHz. Bahan substrat yang digunakan pada perancangan adalah RT-Duroid R5880, Duroid R5880 memiliki permitivitas, (ɛr) sebesar 2,2, loss tangent 0,0009 dan ketebalan (h) 1,57 mm. Dengan penambahan metode slits dan slots berhasil mereduksi nilai return loss sebesar 61 % dibandigkan dengan antena single element. Pada perancangan antena array 2x1 elemen didapatkan nilai return loss sebesar -36 dB, bandwidth sebesar 220 MHz, gain sebesar 7,9 dB. Hasil desain yang paling optimal pada perancangan antena mikrostrip dengan metode Multiple Input Multiple Output (MIMO) 4 elemen didapatkan nilai return loss sebesar -27 dB, bandwidth sebesar 220 MHz, gain sebesar 10,5 dB, mutual coupling sebesar -70 dB dan pola radiasi directional. Penerapan metode array MIMO 4 elemen berhasil meningkatkan performansi antena yaitu gain 53%, bandwidth 31,8%, dan memiliki pola radiasi yang lebih terarah dibandingkan dengan antena single element dan dapat direkomendasikan sebagai antena penerima pada sistem komunikasi 5G

Keywords

Antena mikrostrip, Slit dan Slot, Array, MIMO, gain.

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DOI: http://dx.doi.org/10.20884/1.dr.2022.18.2.488

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