Passive Sensors for Long Duration Internet of Things Networks
AbstractIn this work, three different concepts are used to develop a fully passive sensor that is capable of measuring different types of data. The sensor was supplied by Wireless Power Transmission (WPT). Communication between the sensor and reader is established by a backscatter, and to ensure minimum energy consumption, low power techniques are used. In a simplistic way, the process starts by the transmission of two different waves by the reader to the sensor, one of which is used in power transmission and the other of which is used to communicate. Once the sensor is powered, the monitoring process starts. From the monitoring state, results from after processing are used to modulate the incoming wave, which is the information that is sent back from the reader to the tag. This new combination of technologies enables the possibility of using sensors without any cables or batteries to operate 340 cm from the reader. The developed prototype measures acceleration and temperature. However, it is scalable. This system enables a new generation of passive Internet of Things (IoT) devices. View Full-Text
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Pereira, F.; Correia, R.; Carvalho, N.B. Passive Sensors for Long Duration Internet of Things Networks. Sensors 2017, 17, 2268.
Pereira F, Correia R, Carvalho NB. Passive Sensors for Long Duration Internet of Things Networks. Sensors. 2017; 17(10):2268.Chicago/Turabian Style
Pereira, Felisberto; Correia, Ricardo; Carvalho, Nuno B. 2017. "Passive Sensors for Long Duration Internet of Things Networks." Sensors 17, no. 10: 2268.
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