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Thus, we need realistic models, enabling the proper assessment of the performance level. Most of the time, the IoT concept entails a large number of nodes distributed over a wide geographical area, therefore forming a high density, large\u2010scale architecture. It is important to determine the number of collisions so that we can assess the network performance. The present paper aims at assessing the performance level of the LoRaWAN technology by analyzing the number of packet collisions that can occur. Thus, this paper determines the maximum number of LoRa nodes that can communicate with a Gateway considering the LoRaWAN protocol specifications. Furthermore, we have proposed a series of solutions for reducing the number of collisions and increasing the capacity of the communication channel.<\/jats:p>","DOI":"10.1155\/2018\/6730719","type":"journal-article","created":{"date-parts":[[2018,6,28]],"date-time":"2018-06-28T23:40:45Z","timestamp":1530229245000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":80,"title":["Performance Evaluation of LoRaWAN Communication Scalability in Large\u2010Scale Wireless Sensor Networks"],"prefix":"10.1155","volume":"2018","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7734-4854","authenticated-orcid":false,"given":"Alexandru","family":"Lavric","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Valentin","family":"Popa","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2018,6,28]]},"reference":[{"key":"e_1_2_11_1_2","unstructured":"LoRa http:\/\/www.semtech.com\/wireless-rf\/lora.html."},{"key":"e_1_2_11_2_2","unstructured":"SigFox https:\/\/www.sigfox.com\/en."},{"key":"e_1_2_11_3_2","unstructured":"Weightless http:\/\/www.weightless.org\/."},{"key":"e_1_2_11_4_2","doi-asserted-by":"crossref","unstructured":"LavricA.andPopaV. 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LoRaWAN in the Wild: Measurements from The Things Network https:\/\/arxiv.org\/abs\/1706.03086."},{"key":"e_1_2_11_18_2","doi-asserted-by":"publisher","DOI":"10.1177\/1550147717699412"},{"key":"e_1_2_11_19_2","doi-asserted-by":"publisher","DOI":"10.1109\/LSP.2017.2762960"},{"key":"e_1_2_11_20_2","doi-asserted-by":"publisher","DOI":"10.1109\/ACCESS.2017.2755858"},{"key":"e_1_2_11_21_2","unstructured":"LoRaSim http:\/\/www.lancaster.ac.uk\/scc\/sites\/lora\/lorasim.html."},{"key":"e_1_2_11_22_2","doi-asserted-by":"crossref","unstructured":"BorM. C. RoedigU. VoigtT. andAlonsoJ. M. Do LoRa Low-Power Wide-Area Networks Scale? Proceedings of the 19th ACM International Conference on Modeling Analysis and Simulation of Wireless and Mobile Systems 2016 Malta Malta 59\u201367.","DOI":"10.1145\/2988287.2989163"},{"key":"e_1_2_11_23_2","unstructured":"ThiemoV. Bor UtzM. andJuan AlonsoR. 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