Perancangan antena mikrostrip mimo 2x2 patch segitiga dengan metode defected ground structure untuk aplikasi lte frekuensi 2300 mhz

LAUREN, FRAHMAHAPSARI (2019) Perancangan antena mikrostrip mimo 2x2 patch segitiga dengan metode defected ground structure untuk aplikasi lte frekuensi 2300 mhz. Other thesis, Institut Teknologi Telkom Purwokerto.

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Abstract

Wireless communication is currently very interested in the community because they can be easily access data anywhere and anytime. One of technology 4th generation (4G) which offers efficiency and high-speed data access is technology Long Term Evolution (LTE).To set up the need for fast data access and good quality will require a reliable antenna at a frequency of 2300 MHz so that the frequency use efficiency can be maintained. Refers to Ministry of Communication and Information of the Republic of Indonesia Number 12 Year 2017. In this study, three scenarios designed 2x2 MIMO antenna design on a triangular patch. In each scenario 2x2 MIMO antenna design is created by varying the direction of the patch on each scenario that aims to provide an unidirectional radiation pattern. After designed by 3 scenario design , and determine antenna mimo 2x2 scenario best produce a pattern unidirectional radiation. To get the results in accordance with the specifications for LTE 2300 MHz antenna, do iterations using Defected Ground Structure. By using Defected Ground Structure (DGS) to increase the bandwidth of the antenna that is designed and can suppress the mutual coupling effects arising from the adjacent antenna arrangement which can result in decreased performance of the antenna. This method of Defected Ground Structure damage on the ground field microstrip antenna. Then after successfully designed antennas, 2x2 MIMO antenna performance with a triangular patch Defectec Ground Structure method of the parameter specifications have been set at 2300 MHz frequency LTE enough to significantly increase the bandwidth parameter values and mutual coupling.The value of the original bandwidth of 65.1 MHz and 67.2 MHz become 88.5 MHz and 90.4 MHz. The original value of mutual coupling of -26.560064 dB and dB become -30.034878 -26.522359 -30.028704 dB and dB. This proves that the method of Defected Ground Structure can increase bandwidth and reduce the value of mutual coupling in a 2x2 MIMO antenna triangle patch. Keywords: Microstrip antenna, Long Term Evolution, Defected Ground Structure

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