Frequency Switchable Origami Magic Cube Antenna

Abstract

In this paper, a frequency switchable antenna is proposed by using an origami magic cube. The proposed antenna consists of a microstrip-fed monopole designed on an origami magic cube. The proposed origami magic cube antenna can be folded and unfolded, switching its operating frequency in consequence. The operating frequency of the antenna in the unfolded state is 950 MHz, while in the folded state its operating frequency is 1.57 GHz. The origami magic cube is composed of paper. The antenna's performance is theoretically and experimentally demonstrated by measuring the S-parameters and radiation patterns. The measured 10 dB impedance bandwidth of the proposed origami antenna is 15% (850-1000 MHz) and 20% (1.3-1.6 GHz) for the unfolded and folded states respectively. The measured peak gain of the antenna is 0.51 dBi and 1.2 dBi at the unfolded state and the folded state, respectively.