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Journal : Sinergi

BANDWIDTH AND GAIN ENHANCEMENT OF MICROSTRIP ANTENNA USING DEFECTED GROUND STRUCTURE AND HORIZONTAL PATCH GAP Dian Rusdiyanto; Catur Apriono; Dian Widi Astuti; Muslim Muslim
SINERGI Vol 25, No 2 (2021)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/sinergi.2021.2.006

Abstract

This research proposed microstrip antenna design using the Defected Ground Structure (DGS) and horizontal patch gap (HPG) for bandwidth and enhancement purposes. This design is to reduce the weakness of a microstrip antenna, which has small gain and narrow bandwidth. The design was simulated in CST Microwave Studio with a working frequency of 2.4 GHz. The design consists of three stages model, i.e., conventional design, DGS modification, and the combination DGS using a Horizontal Patch Gap (DGSHPG). The radius of the conventional circular patch is 16.7 mm. The substrate has 4.6 of dielectric constant, 1.6 of substrate height, and 0.025 of the loss tangent. The simulation results show that the DGS design produces more bandwidth and gain than a conventional design, where the bandwidth and gain improvement are 421.2 MHz and 1.73 dB, respectively. The DGS model is combined with a gap that separates the circular patch (DGSHPG) to achieve the optimum design. The results show the bandwidth and gain improvement of more than 50% and 18.1% compared to the DGS design, respectively. Other parameter performance also shows improvement, such as a reflection factor with -53.3 dB at the center frequency. The physical change also influences the patch’s radius, where it is reduced around 1.4 mm or 8.4% from the original design. Overall, the proposed design has succeeded in achieving bandwidth and gain enhancement and reducing the patch dimension.
Co-Authors Adhiyoga , Yohanes Galih Adhiyoga, Yohanes Galih Aditya Eka Mulyono Admaja , Awangga Febian Surya Adriansyah, Muhammad Athallah Aini Nurul Akbar, Anshari Akbar, Teuku Alif Rafi Amirsyah Rayhan Mubarak Amirul Ihsan Anita Rizkiyani ATHALLAH, MIKAIL FAUZAN Awangga Febian Surya Admaja A’isya Nur Aulia Yusuf Dian Widi Astuti, Budi Irawan Prima Putra, Dian Widi Astuti, Dinari Nikken Sulastrie Sirin Dzakwan Widyo Pangestu Eko Tjipto Rahardjo EkoTjipto Rahardjo, EkoTjipto Ellin Devihana Pratiwi Ellin Devihana Pratiwi Ellin Devihana Pratiwi Farhan Annur Mahmudi Fauzan, Itsnanta Muhammad Fitri Yuli Zulkifli Hendrik Amrico Hendrik Amrico Hendry Steven Marbun Herma Adis Herry Tony Andhyka Ibrahim Amyas Aksar Tarigan Ihsan, Amirul Insani Sekar Wangi Itsnanta Muhammad Fauzan Khalfan Nadhief Prayoga Wicaksono Khalfan Nadhief Prayoga Wicaksono KURNIAWAN, FAROHAJI LUBIS, MUHAMMAD FIRDAUS SYAWALUDIN Mahmudi, Farhan Annur Manzila Izniardi Djomiy Martiana Kholila Fadhil May Hendra Panjaitan Mubarak, Amirsyah Rayhan Muh Asnoer Laagu Muhammad Afiff Rizki Muhammad Afiff Rizki Muhammad Riza Darmawan Muslim , Muslim Muslim Muslim Nabila Syadzwina Effendi Norihisa Hiromoto, Norihisa NUGROHO, SALSABILA SHITA PUTRI Nurul Aini Priska Apnitami Rahman, Liani Budi Resti Savira Resti Savira Roki Fernando RUHIYAT, ABDURRASYID Rusdiyanto, Dian Sahid Ridho Savitri Amalia Sifa Novwidia Agni Syaniri Andra Teuku Alif Rafi Akbar Trivia Anggita Wahdiyat, Aditya Inzani Wicaksono, Khalfan Nadhief Prayoga Yundari, Yundari Yus Natali Yustin, Alfiyah Shaldzabila