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Kablosuz uygulamalar için küçük bir düzlemli dalga kılavuzu beslemeli uwb anteni

2023
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Advisor: Doç. Dr. Dogu Cagdas Atilla

Abstract (EN)

There has been a discernible increase in the number of attempts made over the course of the past few years to both reduce the dimensions of ultra-wideband (UWB) antennas and their bandwidth. These two ideas, the first of which involves adding slots to the patch radiator or ground planes, have the potential to successfully handle the problem of a microstrip antenna's restricted bandwidth. This can be accomplished by adding slots to the patch radiator or ground planes. A compact monopole antenna design that is based on Locked-Key topology has been introduced. This design makes use of a FR4 substrate and is fed by a coplanar waveguide (CPW). The purpose of this is to achieve the goals that were stated earlier. This design is presented in two separate styles, each of which has a different slot shape in the radiating patch. Both styles are shown below. It functions within an extremely broad spectrum that spans a frequency range of 3.581 to 14 GHz and has a bandwidth of 10.354 GHz. Additionally, the frequency range that it covers is extremely broad. The overall dimensions are 25 by 27 millimetres squared. The antenna that is being discussed here has the same dimensions as those that were mentioned earlier; however, it has an impedance bandwidth of 10 GHz, spanning from 3.27 to 13.27 GHz. The second configuration of this antenna has been described. Radio networks of all kinds, including ultra-wideband (UWB) and others, can benefit from its implementation. The electromagnetic software that was developed by CST was utilized so that the performance of the antenna design could be simulated and investigated. The final design format we have compared the proposed antenna to a number of studies that have been published in the scientific literature, and as a result of this comparison, we have found that the proposed antenna has the smallest size while also possessing the highest bandwidth of all of the verified research. After the antenna has been constructed, the results of the simulation and the ones that were actually observed are compared and correlated with one another. This study presents and analyzes a brand-new ultra-wideband (UWB) slanted patch antenna. The UWB stands for ultra-wideband. During operation, the antenna is supported by an FR-4 substrate that has dimensions of 27.2 millimeters by 14 millimeters by 1.5 millimeters and a permittivity value of 4.3. The innovative antenna design that we have developed includes as some of its characteristics a Ground Plane on FR4 Substrate, Four Stage Stepped Impedance Resonators (FSSIR), and a Slotted Patch Resonator as part of its construction. The examination of the responses to the S11 questionnaire revealed that the frequency range is somewhere between 2.91 and 9.13 GHz. During the construction of the antenna, a prototype built in CST Microwave Studio was utilized. It is conceivable that the use of this technology will also assist in the operation of other radio communication systems. The outcomes of the S11 simulations and the real-world measurements are very similar to one and quite consistent with one another.

Author

Dr. Maryam Salah Jameel

How to Cite

Maryam Salah Jameel (Master Thesis). Kablosuz uygulamalar için küçük bir düzlemli dalga kılavuzu beslemeli uwb anteni, 2023, Altınbaş University.

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