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All Journal Bulletin of Electrical Engineering and Informatics Proceeding of the Electrical Engineering Computer Science and Informatics
Alyani Ismail
Universiti Putra Malaysia
Computer Science & IT Electrical & Electronics Engineering

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Implementation of double-layer loaded on octagon microstrip yagi antenna Kamelia Quzwain; Alyani Ismail; Yudiansyah Yudiansyah; Nadia Media Rizka; Aisyah Novfitri; Lia Hafiza
Bulletin of Electrical Engineering and Informatics Vol 10, No 6: December 2021
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v10i6.3193

Abstract

A double-layer loaded on the octagon microstrip yagi antenna (OMYA) at 5.8 GHz industrial, scientific and medical (ISM) Band is investigated in this paper. The double-layer consist of two double positive (DPS) substrates. The OMYA is overlaid with a double-layer configuration were simulated, fabricated and measured. A good agreement was observed between the computed and measured results of the gain for this antenna. According to comparison results, it shows that 2.5 dB improvement of the OMYA gain can be obtained by applying the double-layer on the top of the OMYA. Meanwhile, the bandwidth of the measured OMYA with the double-layer is 14.6%. It indicates that the double-layer can be used to increase the OMYA performance in term of gain and bandwidth.
Gain Enhancement of Octagon Microstrip Yagi Antenna Utilizing 1-D Photonic Crystal (PCs) Cover Kamelia Quzwain; Alyani Ismail; Adam Reda H. Alhawari; Aduwati Sali
Proceeding of the Electrical Engineering Computer Science and Informatics Vol 2: EECSI 2015
Publisher : IAES Indonesia Section

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1278.685 KB) | DOI: 10.11591/eecsi.v2.475

Abstract

A high gain Octagon Microstrip Yagi Antenna (OMYA) for Worldwide Interoperability for Microwave Access (WiMAX) application at unlicensed frequency of 5.8 GHz is presented in this paper. The proposed antenna was simulated and optimized using full-wave EM simulator. The simulated results show that the gain of the proposed antenna at frequency of 5.8 GHz is 13.45 dB with S11 of -32.57 dB. Hence, an extra gain of about 5.47 dB can be obtained through this design.
Co-Authors Adam Reda H. Alhawari Aduwati Sali Aisyah Novfitri Kamelia Quzwain Lia Hafiza Nadia Media Rizka Yudiansyah Yudiansyah