Autonomous Temperature Sensor for Smart Agriculture
Wireless communication & Networking
R. Wijnands (TU Delft - Electrical Engineering, Mathematics and Computer Science)
A.J.R. Bleeker (TU Delft - Electrical Engineering, Mathematics and Computer Science)
R.M.A. van Puffelen – Mentor (TU Delft - Electronic Instrumentation)
L.S. Pakula – Mentor (TU Delft - Electronic Instrumentation)
Qinwen Fan – Mentor (TU Delft - Electronic Instrumentation)
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Abstract
In this thesis, the design and implementation of a wireless communication module and an accompanying network are discussed. This wireless communication module is used in a device which communicates frost temperatures measured at orchards. The goal is to gather data on how fruit frost develops on orchards, and to warn a fruit farmer if it starts freezing. First, several wireless communication protocols are discussed and the one best suited for the application is chosen. It is decided to use the LoRaWAN communication protocol. Then, the off-the-shelf hardware components which are required to implement the LoRaWAN communication protocol are chosen. Furthermore, LoRa communication parameters and the LoRaWAN network structure are discussed. A scheduling system is designed and proposed to increase the reliability of the network. At last, network simulations are performed to verify the chosen implementation.