Abstract
In this paper Compared to previous works, we used a research methodology that relied on the effect of modern communication technology parameters of LoRa on the operation sensors of an advanced communication system to benefit from it in smart city communications. the design of communication system had been proposed through the use of long Range (LoRa) device and software defined radio (SDR) technology, Where the used LoRa are of types (SX1278, ESP32T-Beam) and are used as sensors which transmit the data to the access point represented by SDR Technology. The data is transmitted from the sensors via the SDR to the receiver which is represented by spectrum analyzer. Two scenarios using three sensors in each were implemented, in the first scenario; the spreading factor (SF) is fixed (12), where the (B.W) was varied from (125 kHz, 250 kHz, to 500 kHz).The obtained results of the received chirp power were(-53.500 dBm, 45.000 dBm, and 46.500 dBm) respectively. In the second scenario; the bandwidth (B.W) of the system is fixed on (125 kHz), while the (SF) was varied values(7, 9, and 12). The obtained results for the received chirp power were (-60.000 dBm, -53.500 dBm, and -49.500 dBm) respectively. Through the results of the first scenario, It is notice the power of the received chirp at 125 kHz is (-53.500 dBm), and for the results of the second scenario, the power of the received chirp at SF equal to 7) is (-60.000 dBm). Therefore the (B.W = 125 kHz) and (SF = 7) are chosen as the best case for the work of the sensors.
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Recommended Citation
Ati, Mustafa K. and khazaal, Hassan F.
(2025)
"Managing smart cities by designing a communications system using LoRa technology,"
The Nexus of Sustainability and Energy Technology Journal: Vol. 1:
Iss.
1, Article 1.
Available at:
https://tnosaetj.alnoor.edu.iq/home/vol1/iss1/1