Journal of Electromagnetic Analysis and Applications

Volume 10, Issue 1 (January 2018)

ISSN Print: 1942-0730   ISSN Online: 1942-0749

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Increasing Microstrip Patch Antenna Bandwidth by Inserting Ground Slots

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DOI: 10.4236/jemaa.2018.101001    2,363 Downloads   7,781 Views  Citations


Microstrip patch antenna (MPA) is widely implemented in different communication systems. One of the main disadvantages of MPA which limits its applications is its narrow bandwidth. In this paper I enhanced the bandwidth of MPA by inserting multiple slots in its ground plane. I used FR-4 substrate to design this antenna. The dimensions of this antenna are 59 mm and 79 mm. The dielectric constant is 4.4 and the height is 1.6 mm. I inserted up to 15 slots in ground plane with 1mm width. The spacing between slots is 3 mm. I investigated two designs. In the first design, slots were arranged in parallel to the feeding line. In the second one, slots were arranged horizontally to the feeding line. The main objective of this paper is to design and simulate MPA suitable for wide number of applications. Antenna bandwidth improvement is 18%. All the simulations were obtained by using HFSS simulator.

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Khraisat, Y. (2018) Increasing Microstrip Patch Antenna Bandwidth by Inserting Ground Slots. Journal of Electromagnetic Analysis and Applications, 10, 1-11. doi: 10.4236/jemaa.2018.101001.

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