Assessment of LoRa Network Performance in Domestic Environments and Investigation of Interference Phenomena by Spreading Factor 


Vol. 50,  No. 6, pp. 971-977, Jun.  2025
10.7840/kics.2025.50.6.971


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  Abstract

IoT is gaining traction as an important technology in industrial environments. LoRa, based on Chirp Spread Spectrum technology, has strengths that set it apart from other IoTs, such as the use of unlicensed bands and 128-bit AES encryption. However, empirical studies on LoRa have often been conducted overseas rather than in Korea. In addition, it is necessary to verify the extent to which mutual interference exists when there is no significant difference in reception sensitivity when two signals occur simultaneously. In this paper, we demonstrate whether interference occurs when two signals occur simultaneously and how LoRa performs in outdoor environments in Korea. This study proved that interference occurs only when both signals operate with the same spreading factor. It also confirmed that LoRa works smoothly in a remote LoS environment, but communication becomes unstable when the distance is large in an NLoS environment. This is expected to be used as a major experimental basis for future domestic LoRa research.

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[IEEE Style]

Y. Choi, H. Choi, G. Hwang, K. Shin, "Assessment of LoRa Network Performance in Domestic Environments and Investigation of Interference Phenomena by Spreading Factor," The Journal of Korean Institute of Communications and Information Sciences, vol. 50, no. 6, pp. 971-977, 2025. DOI: 10.7840/kics.2025.50.6.971.

[ACM Style]

Yoon-je Choi, Hee-ho Choi, Geon-ha Hwang, and Kyung-seop Shin. 2025. Assessment of LoRa Network Performance in Domestic Environments and Investigation of Interference Phenomena by Spreading Factor. The Journal of Korean Institute of Communications and Information Sciences, 50, 6, (2025), 971-977. DOI: 10.7840/kics.2025.50.6.971.

[KICS Style]

Yoon-je Choi, Hee-ho Choi, Geon-ha Hwang, Kyung-seop Shin, "Assessment of LoRa Network Performance in Domestic Environments and Investigation of Interference Phenomena by Spreading Factor," The Journal of Korean Institute of Communications and Information Sciences, vol. 50, no. 6, pp. 971-977, 6. 2025. (https://doi.org/10.7840/kics.2025.50.6.971)
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pISSN : 1226 - 4717
eISSN : 2287 - 3880