A wireless-power and data-transfer using inductive RF link and ASK modulation

K. V. S. S. Rao, G. R. Rao, Kanchapogu Vaisakh
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Abstract

This paper aims to present a novel trans-cutanaeous, wireless and an efficient radio frequency (RF) inductive power and data link (IPDL) based on amplitude shift key (ASK) - modulator with an efficient ‘Class-E’– RF ‘power amplifier’ that is applicable to implantable medical devices (IMDs). The IPDL system comprises an external device placed on exterior to human skin to transmitting power and data to IMDs like implantable micro-systems (cardiac pacemakers, cochlear implants, retinal implants, deep brain stimulators) to excite and monitor respective neural and muscular system. The entire system is designed to operate with a ‘low-band-frequency’ of 4 MHz by avoiding the problem of tissue heating. A practical model for the IPDL with results is presented. Various graphs such as frequency vs primary coil/secondary coil output are plotted and shown. Typical specifications of the exterior device, namely, the modulation-index (MI) and the modulation-rate (MR) are 40% and 4.3% respectively with a data rate of 172 Kbps. The design is simulated with electronic workbench MULTISIM 12.0 and TINA Ver 9.
使用感应式射频链路和 ASK 调制的无线功率和数据传输系统
本文旨在介绍一种新型跨切面、无线和高效的射频(RF)感应式电源和数据链路(IPDL),它基于振幅偏移键(ASK)调制器和高效的 "E级 "射频 "功率放大器",适用于植入式医疗设备(IMD)。IPDL 系统包括一个放置在人体皮肤外部的外部设备,用于向植入式微型系统(心脏起搏器、人工耳蜗、视网膜植入物、脑深部刺激器)等 IMD 传输功率和数据,以激发和监测各自的神经和肌肉系统。整个系统的 "低频带 "频率为 4 兆赫,可避免组织发热问题。本文介绍了 IPDL 的实用模型和结果。绘制并显示了各种图表,如频率与初级线圈/次级线圈输出的对比图。外部设备的典型规格,即调制指数(MI)和调制速率(MR)分别为 40% 和 4.3%,数据速率为 172 Kbps。该设计使用电子工作台 MULTISIM 12.0 和 TINA Ver 9 进行了模拟。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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