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摘要:
The development of energy and cost efficient IoT nodes is very important for the successful deployment of IoT solutions across various application domains. This paper presents energy models, which will enable the estimation of battery life, for both time-based and event-based low-cost IoT monitoring nodes. These nodes are based on the low-cost ESP8266 (ESP) modules which integrate both transceiver and microcontroller on a single small-size chip and only cost about $2. The active/sleep energy saving approach was used in the design of the IoT monitoring nodes because the power consumption of ESP modules is relatively high and often impacts negatively on the cost of operating the nodes. A low energy application layer protocol, that is, Message Queue Telemetry Transport (MQTT) was also employed for energy efficient wireless data transport. The finite automata theory was used to model the various states and behavior of the ESP modules used in IoT monitoring applications. The applicability of the models presented was tested in real life application scenarios and results are presented. In a temperature and humidity monitoring node, for example, the model shows a significant reduction in average current consumption from 70.89 mA to 0.58 mA for sleep durations of 0 and 30 minutes, respectively. The battery life of batteries rated in mAh can therefore be easily calculated from the current consumption figures.
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文献信息
篇名 Development of Power Consumption Models for ESP8266-Enabled Low-Cost IoT Monitoring Nodes
来源期刊 物联网(英文) 学科 医学
关键词 IOT ESP8266 POWER MODEL EVENT-BASED MONITORING Time-Based MONITORING
年,卷(期) 2019,(1) 所属期刊栏目
研究方向 页码范围 1-14
页数 14页 分类号 R73
字数 语种
DOI
五维指标
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研究主题发展历程
节点文献
IOT
ESP8266
POWER
MODEL
EVENT-BASED
MONITORING
Time-Based
MONITORING
研究起点
研究来源
研究分支
研究去脉
引文网络交叉学科
相关学者/机构
期刊影响力
物联网(英文)
季刊
2161-6817
武汉市江夏区汤逊湖北路38号光谷总部空间
出版文献量(篇)
78
总下载数(次)
0
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0
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