期刊名称：International Journal of Advanced Computer Science and Applications(IJACSA)
印刷版ISSN：2158-107X
电子版ISSN：2156-5570
出版年度：2019
卷号：10
期号：1
页码：314-321
DOI：10.14569/IJACSA.2019.0100142
出版社：Science and Information Society (SAI)
摘要：In this paper, a modified ground based rectangular shaped fractal patch antenna will be presented. Since, the research community has witnessed a significant demand of both light weight and small sized micro-chip antenna in the domain of wireless communication the physical size of the communication antenna has been reduced manifold. The optimum performance of the wideband transmission antenna can be achieved while improving the certain antenna performance parameters that include: reflection coefficient (S11), radiation pattern, antenna gain, Voltage Standing Wave Ratio(VSWR) and available communication bandwidth. Our proposed antenna design and structure encompasses several frequency bands like satellite communication (2.3 GHz), Earth-to-Space communication band (2.17 – 2.2 GHz), Wi-Fi communication band (2.4 GHz for IEEE 802.11b and 802.11g standards) Wireless LAN (2.40 – 2.84 GHz), Bluetooth (2.45 GHz), Mobile Wi-Max (2.5 – 2.69 GHz). The proposed antenna has been designed, built and simulated by utilizing the available FR4 epoxy substrate material having a relative permittivity of 4.5. A line feeding technique has been implemented in the designing of antenna of the size of (34 x 32 x 1.8) mm. In order to realize the objective a ground plane has been made defective. The proposed antenna will successfully operate in the C and S band applications having a frequency range of 2.05 – 4.88 GHz.
关键词：Antenna gain; voltage standing wave ratio (VSWR); coefficient of reflection; antenna radiation pattern; defected ground
