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dc.contributor.authorWang, Shie-Yuanen_US
dc.contributor.authorChen, Yo-Ruen_US
dc.contributor.authorChen, Tzu-Yangen_US
dc.contributor.authorChang, Chia-Hungen_US
dc.contributor.authorCheng, Yu-Hsiangen_US
dc.contributor.authorHsu, Chun-Chiaen_US
dc.contributor.authorLin, Yi-Bingen_US
dc.date.accessioned2018-08-21T05:57:13Z-
dc.date.available2018-08-21T05:57:13Z-
dc.date.issued2017-01-01en_US
dc.identifier.urihttp://hdl.handle.net/11536/147192-
dc.description.abstractTo promote smart campus, National Chiao Tung University is deploying several location-based IoT applications based on wireless communications technologies including LoRa and NB-IoT. The applications are indoor/outdoor environment conditions monitoring (such as PM2.5, temperature, and humidity), emergency buttons, and so on. This paper uses PM2.5 measurement application as an example to present the performance of LoRa when it is used on campus. We investigated the LoRa transmission performance from LoRa end-devices to the LoRa gateway. We show how packet losses were affected by the distance between the end-device and the gateway, the transmit power, the payload length, the antenna angle, the time of day, and the weather conditions. The pattern of LoRa packet losses were also measured and we found that in our long-term PM2.5 monitoring application, more than 99% of LoRa packet losses occurred with three or less consecutive packet losses.en_US
dc.language.isoen_USen_US
dc.subjectInternet of Thingsen_US
dc.subjectLoRaen_US
dc.subjectPacket lossen_US
dc.subjectPM2.5en_US
dc.titlePerformance of LoRa-based IoT Applications on Campusen_US
dc.typeProceedings Paperen_US
dc.identifier.journal2017 IEEE 86TH VEHICULAR TECHNOLOGY CONFERENCE (VTC-FALL)en_US
dc.contributor.department資訊工程學系zh_TW
dc.contributor.departmentDepartment of Computer Scienceen_US
dc.identifier.wosnumberWOS:000428141601099en_US
Appears in Collections:Conferences Paper