Chapter 4

Overview and Challenges of Wireless Communication and Power Transfer for Implanted Sensors

First published: 22 April 2022

Abstract

Implanted sensors can measure the physiological and clinical parameters of interest, elaborate on them, and transmit information to healthcare staff through the internet to enable real-time decsion-making. This chapter explains the microchip insertion procedure, reviews wireless power transfer methods and provides some examples of applicative biomedical systems. This is followed by a discussion of the study of high-efficiency technology for charging wireless implant sensors. The chapter highlights contemporary media for wireless power transmission. There are typically four technologies used for wireless energy transmission, depending on the physical energy grandeur sent: microwave wireless power transfer, electromagnetic induction energy transfer, laser wireless power transmission, and ultrasonic wireless power transmission. The chapter focuses on radio frequency (RF) energy pollution. The idea of RF energy recycling offers an essential role in the future of microchips for implantation in the human body. Wireless telecommunication has shown extraordinary improvement.

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