The Quality of RF Signal Communication Performance of LoRa-RSSI Analysis Based on Various Environments Tests

Abstract The impact of signal quality in smart farming based on the Internet of Things (IoT) regarding the innovative farm requires a wide area for collecting data from an agriculture plot. According to many wireless device technologies used in an intelligence farming project, improving radio frequency (RF) signal communication is a crucial issue. This article proposes the signal quality of RF communication using LoRa technology, analyzing the strength signal measurement in different locations. These experiments test the strength signal in dBm and data received efficiency in percentage. The investigation is designed to collect received signal strength indicator (RSSI) value tests in different environments: seaside, grape farm, and indoors. The measured RSSI values in several tests are averaged to determine the reliability of RSSI results. The findings indicated that the location with less RSSI value is inside the building compared to other places, such as the seaside area or the grape farm. By overview of quality received signal strength is at the reasonable level between RSSI values of -60.00 dBm to -80.00 dBm. Moreover, the correlation analysis of the RSSI value and data received effectively is 0.938**, with the reliability of data analysis of 99%. Namely, both parameters are highly related in a positive way. When the RSSI value is high, the data received effectively is also in good condition.