Design and Fabrication of Miniaturized Dual-Band Antenna using Split-ring and Defected Ground Structure for ISM Band Applications
Keywords:
microstrip patch antenna, ISM band, design and fabrication
Abstract
In this paper the design and fabrication of a miniaturized dual band antenna using split ring and modified ground structure for the application of ISM band has been presented. The designed antenna consists of number of slots on patch which forms a split ring, one substrate layer and a common ground plane which is modified accordingly to obtain the desired resonant frequency. The proposed configuration gives a general size diminishment by doing modification in the ground plane. Due to modified ground, efficiency of an antenna is increased. The proposed antenna is designed to operate at 2.45GHz and 5.8GHz. It achieves a return loss of - 34.6dB at 2.45GHz and -38.1dB at 5.8GHz. Proposed Antenna has many practical applications like in ISM, WIFI, commercial business, Bluetooth, cordless phone. Voice, video and data communication also uses this frequency band. It is designed with the help of CST microwave studio 2011 software. Same antenna is fabricated and testing has been done. In this paper we have shown the comparison of simulated results and experimental results.
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Published
2019-03-15
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