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Operation
IoT system components
Typical IoT systems consist of 3 main elements (Figure 13) , brief described below. In order to set
communication, each element must be properly configured.
1. Node – device with sensors and a wireless communication module that gathers data, forms
the payload and sends it to the gateway.
2. Gateway – device similar to routers, equipped with a LoRa concentrator, that receives LoRa
packets and send them to the Internet-connected server.
3. Server – in most cases, a cloud-based service where data is processed, stored, analysed, and
presented in user-friendly ways (via a user interface); Yosensi default and recommended
tools are Yosensi Management Platform (for IoT structure management) and Grafana (for
data presentation).
Figure 13 IoT system components.
Figure 14 Fresnel zone where communication between two antennas can occur.
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