Design and Performance Analysis of Microstrip Array Antennas with Optimum Parameters for X-band Applications
Journal Title: International Journal of Advanced Computer Science & Applications - Year 2011, Vol 2, Issue 4
Abstract
Md. Tanvir Ishtaique-ul Huque, Md. Kamal Hosain, Md. Shihabul Islam, Md. Al-Amin Chowdhury Abstract - This paper demonstrates simple, low cost and high gain microstrip array antennas with suitable feeding techniques and dielectric substrate for applications in GHz frequency range. The optimum design parameters of the antenna are selected to achieve the compact dimensions as well as the best possible characteristics such as high radiation efficiency, high gain, etc. In this paper different microstrip array antennas such as series feed, corporate feed and corporate- series feed are designed, simulated, analyzed and compared regarding to the antenna performances. The designed antennas are 4x1, 4x1, and 4x2 arrays. The optimum feeding system is decided based on the various antenna parameters that are simulated. The simulation has been performed by using SONNET version V12.56 simulator which is a commercially available antenna simulator. The designed antennas provide return losses in the range of -4.21dB to -25.456dB at frequencies around 10GHz by using Taconic TLY-5 dielectric substrate with permittivity, εr= 2.2 and height, h =1.588 mm. The gain of these simulated antennas is found about 15dB and side lobe label is maintained lower than main lobe. Since, the resonance frequency of these antennas is around 10GHz, these antennas are suitable for X-band applications such as satellite communication, radar, medical applications, and other wireless systems.
Authors and Affiliations
Md. Tanvir Ishtaique-ul Huque, Md. Kamal Hosain, Md. Shihabul Islam, Md. Al-Amin Chowdhury
Keywords
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