Sains Malaysiana 39(4)(2010): 633–638

Antena Tompok Mikrojalur Bertindan untuk Aplikasi Gandaan Tinggi

(Stacked Microstrip Patch Antenna for High Gain Application)

Norbahiah Misran¹*, Mohammad Tariqul Islam² & Farizah Ansarudin¹

¹Jabatan Kejuruteraan Elektrik, Elektronik & Sistem,

Fakulti Kejuruteraan dan Alam Bina, Universiti Kebangsaan Malaysia

43600 UKM Bangi, Selangor, Malaysia

²Institut Sains Angkasa, Aras 2, Bangunan Fakulti Kejuruteraan dan Alam Bina

Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia

Diserahkan: 21 Januari 2009 / Diterima: 12 November 2009

ABSTRAK

Teknik reka bentuk untuk meningkatkan gandaan bagi menambah baik prestasi antena tompok mikrojalur konvensional dibincangkan. Kaedah suapan prob tersongsang jalur lebar bagi antena tompok mikrojalur berbilang lubang alur bertindan dicadangkan. Reka bentuk tersebut menggabungkan beberapa teknik kontemporari iaitu kaedah suapan prob, struktur tompok tersongsang dan tompok berbilang lubang alur bertindan. Kesan komposit daripada penyatuan pelbagai teknik ini dan dengan memperkenalkan bentuk elemen tompok yang baru, memberikan profil yang rendah, jalur lebar yang lebih luas, gandaan tinggi dan elemen antena yang padat. Keputusan menunjukkan peningkatan gandaan di mana gandaan maksimum adalah 11.42 dBi. Reka bentuk ini sesuai untuk aplikasi tata susunan terutama untuk stesen tapak.

Kata kunci: Antena jalur lebar; antena tompok mikrojalur; suapan prob

ABSTRACT

A novel design technique for enhancing gain that improves the performance of a conventional microstrip patch antenna is proposed. This research addresses a novel wideband probe fed inverted stacked multiple slotted microstrip patch antenna. The design adopts contemporary techniques; probe feeding, inverted patch structure and stacked multiple slotted patch. The composite effect of integrating these techniques and by introducing the novel multiple shaped patch, offer a low profile, broadband, high gain and compact antenna element. The result showed satisfactory performance with maximum achievable gain of about 11.42 dBi. The design is suitable for array applications especially for base station.

Keywords: Broadband antenna; microstrip patch antenna; probe fed

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*Pengarang untuk surat-menyurat; email: bahiah@vlsi.eng.ukm.my