LoRa Communications in Wireless Sensor Network for Radioactive Sources Monitoring System
Main Article Content
Abstract
Using LoRa, a low-power long-distance communication technology, for wireless sensor networks (WSNs) that have limited coverage range can extend to kilometers, much longer than other technologies such as Zigbee, WiFi, WiSUN, while maintaining the sensor node’s energy consumption at a relatively low level. In this paper, the authors present the architecture of wireless sensor network systems used to monitor radiation sources. The system consists of sensor nodes integrated with radioactive sensors and linked together to form a radioactive network monitoring system. The LoRa is used to transmit data between sensor nodes and sink. Also in this paper, authors propose to use the MAC multi-access protocol specifically designed for communication between nodes in the radiation control system, ensuring reliable transmission requirements and advantages of energy consumption for communication function. Experimental implementation results show that the system can work well with transmission range of up to 2 km in urban environments.
Keywords
radioactive sources monitoring, MAC, LoRa communications, wireless sensor network
Article Details
References
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[2] International Atomic Energy Agency; Code of Conduct on the Safety and Security of Radioactive Sources; IAEA/CODEC/2001, IAEA, Vienna.
[3] International Atomic Energy Agency; Legal and Governmental Infrastructure for Nuclear, Radiation, Radioactive Waste and Transport Safety; Saf. Stand. Ser. No. GS-R-1, IAEA, Vienna, 2000.
[4] International Atomic Energy Agency; Organization and Implementation of a National Regulatory Infrastructure Governing Protection Against Ionizing Radiation and the Safety of Radiation Sources, 1999.
[5] United States Nuclear Regulatory Commission; Lost Iridium-192 Source Resulting in the Death of Eight Persons in Morocco; Inf. Not. No. 85-57, U.S. Washing., 1985.
[6] International Atomic Energy Agency; The Radiological Accident in Goiânia; IAEA, Vienna, 1988.
[7] T. Q. Vinh and T. Miyoshi; Adaptive Routing Protocol with Energy Efficiency and Event; Commun. Ambient Intell. (URAI 2007), 2007, pp. 2795-2805.
[8] T.-Q. Vinh and T. Miyoshi; Adaptive routing protocol with energy-efficiency and event-clustering for wireless sensor networks; Commun. Electron. ICCE, 2008.
[9] T.-Q. Vinh and T. Miyoshi; Energy balance on adaptive routing protocol considering the sensing coverage problem for wireless sensor networks; Commun. Electron. ICCE, 2008.
[10] U. Noreen, E. Ahceneboucenuruniv-bresft, and L. Clavier; A Study of LoRa Low Power and Wide Area Network Technology.
[11] de C. S. Jonathan, R. Joel, M. A. Antonio, and S. Peter; LoRaWAN - A low power WAN protocol for Internet of Things: A review and opportunities; 2017 2nd Int. Multidiscip. Conf. Comput. Energy Sci., July 2017, pp. 1–6.
[12] Semtech; SX1272/73 - 860 MHz to 1020 MHz Low Power Long Range Transceiver; Rev. 3.1, 2017.
[13] D. Bankov, E. Khorov, and A. Lyakhov; Mathematical model of LoRaWAN channel access method; Proc. World Wireless Multid. Networks, Walcom 2017, June 2017.
[14] L. Casals, B. Mir, R. Vidal, and C. Gomez; Modeling the Energy Performance of LoRaWAN; Sensors, vol. 17, no. 10, p. 2364, 2017.
[15] G. Ferré; Collision and packet loss analysis in a LoRaWAN network; 25th Eur. Signal Process. Conf. (EUSIPCO), 2017, pp. 2586–2590.