Abstract
Versatile modes of communication in mobile technology like Wi-Fi and Bluetooth accompanying the main communication channels like GSM or LTE require operation in multiple bands of frequency. To serve this purpose, reconfigurable antennas are the prime choice. A reconfigurable antenna can operate in multiple bands by connecting or disconnecting different physical parts on the same antenna through PIN diodes. In this paper, we report the simulation results of a reconfigurable antenna designed on a paper substrate. The resonant frequency of the main patch antenna as obtained for matched impedance condition (50Ω) was at 5.03 GHz and 9.55 GHz. Intermediate bands at 8.35 GHz and 8.88 GHz were obtained by switching ON the PIN diode. Effect of parametric variations in feedline width and diode capacitance has also been studied in this article. The frequency bands as obtained for the designed antenna can be used for 5 GHz ISM band applications along with intermediate bands between 6-9 GHz which can be used in orthogonal frequency division multiplexing and radiolocation applications.
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