射频能量采集芯片供电的传感器节点

2016 IEEE International Conference on Electronics, Circuits and Systems (ICECS) Pub Date : 2016-12-01 DOI:10.1109/ICECS.2016.7841310

Younus Syed, B. G. Hegde, T. Prabhakar, M. Manjunath, K. Vinoy

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引用次数: 10

摘要

这项工作展示了一种兼容BLE的无电池无线传感器Mote，由射频能量收集(RFEH)芯片供电。该芯片集成了能量收集和功率调节电路。射频能量从超高频RFID接收器(即865-868 MHz)收集，并存储在外部电容器组中。该能量用于运行微控制器+无线电SoC，其中来自传感器(模拟温度传感器)的数据被读取并作为BLE广告数据包广播。开发了一个android应用程序来处理和显示传感器值。所设计的芯片在- 12 dBm及以上的功率电平采集。而整个系统在−8dbm的功率水平下工作。在指定的功率级别下，支持的最大BLE报文传输时间间隔约为30分钟。据我们所知，这是第一个用射频采集演示BLE广播的工作。

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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RF energy harvesting chip powered sensor node

This work demonstrates a BLE compatible battery-less Wireless Sensor Mote, powered by an RF Energy Harvesting (RFEH) Chip. The chip integrates Energy Harvesting and Power conditioning circuits. RF-Energy is harvested from UHF RFID receiver (i.e, 865–868 MHz) and is stored in an external capacitor bank. This energy is utilized to run a microcontroller + radio SoC, wherein data from a sensor (analog temperature sensor) is read and broadcasted as BLE advertisement packets. An android app was developed to process and display the sensor value. The designed chip harvests at power level of −12 dBm and above. Whereas the complete system works at a power level of −8dbm. The maximum BLE packet transmission interval at the specified power level is about 30 minutes. To the best of our knowledge, this is the first work to demonstrate BLE broadcast with RF Harvesting.

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来源期刊

2016 IEEE International Conference on Electronics, Circuits and Systems (ICECS)

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