Textile Antenna

Mohd Nazry, Mohammad (2010) Textile Antenna. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This project is to design a dual band textile antenna for a short range communication operating in the 2.45GHz and 5.5GHz frequency. This project also to investigate the performance of such antenna, since the development of wearable system has opened possibilities to incorporate antennas into clothing. The development of textile systems has altered the concept of clothing. Additionally, the introduction of these textiles has uncovered the need for wireless communication systems that are unnoticeably integratable into clothing. New generation garments are capable of monitoring the wearer’s vital signs and activity as well as the environment. A textile antenna is proposed for operating in the 2.45 GHz and 5.5GHz for short communication range to transmit the wearer’s life signs to a nearby base station. The outer fleece fabric was chosen as antenna substrate. This antenna substrate possesses a permittivity, εr and a loss tangent. A fleece fabric is chosen because its piled structure yields a permittivity close to 1 and its hydrophobic characteristic results in a low loss-tangent. These are excellent properties for optimal antenna design. The fleece fabric has a thickness of 2.55 mm, which provides an adequate bandwidth. The simulation of the design can be carried out by using CST software.

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