Abstract
LoRa is a long-range and low-power wireless communication system suitable for the Internet-of-Things (IoT). This LoRa supports the communication between the end-nodes in the sea and the gateway in the seashore, as an example for monitoring the fishing ships. As communication systems work in Industrial, Scientific, and Medical (ISM) unlicensed frequency bands, the design of these systems has to comply with the regulations. This article's aim is to prepare the design of the parameter LoRa physical layer to fulfill the regulations. The parameter discussed here is the transmitted power and receiver sensitivity. To design a long-range with a low-power link, spreading factors were added to the systems which result in low bits rate, spectral efficiency, and the required SNR. Therefore, these LoRa systems offer a long-range with low-power and low bit rate communication systems.
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