A Study of Implant Antenna for FSK-Based Impulse Radio System in Human Body Communication Band
This paper aims to develop a miniaturized implant antenna for a Frequency Shift Keying (FSK)-based impulse radio system in Human Body Communication (HBC) band. The proposed implant antenna is realized with two layers of helical radiating elements formed on magnetic sheets, which contributes to a compact cylindrical shape with 1-cm diameter and 3-cm length for medical capsule endoscope application. The double-resonant return loss with 2 MHz bandwidth indicate the suitability of this antenna for a FSK-based impulse radio system. Moreover, the transmission characteristics and required transmit power using this antenna has also been investigated to clarify the feasibility of realizing real-time image transmission in HBC band.
KeywordsImplant communication FSK-impulse radio Implant antenna Body area network
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