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Hexagonal Origami Dual Frequency Antenna

A major component of any communication or wireless sensor is an antenna. There is interest in developing multifunctional and reconfigurable antennas that can morph into different shapes and provide different functionalities. The interest of using one antenna for multiple purposes is usually due to limitations of size and weight, and the increasing need for wireless devices such as wireless power transfer, communication and wireless sensors. Some of the challenges to overcome include having a small form factor, being low-cost and robust, and providing high gain. In this work we are presenting an origami inspired hexagonal shape antenna array. Origami is the art of paper folding and the basis of origami method can be used to design antennas that can be folded and unfold based on deployment need. For example, Kimonis et. al. [1] proposed a power-harvesting cube with the antennas made using inkjet printing. The shape memory hinges are used to change the cube to a flat shape. Another example is the use of a 3D printing method by Shah and Lim [2]. In this paper they designed a push/pull method to change the shape of the array. The initial results of the basic hexagonal antenna elements needed to reconfigure form 2.4 GHz to 5.8 GHz are presented and discussed.