{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,3]],"date-time":"2026-06-03T16:04:51Z","timestamp":1780502691315,"version":"3.54.1"},"reference-count":66,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2023,2,3]],"date-time":"2023-02-03T00:00:00Z","timestamp":1675382400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"University of Surrey"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Environmental monitoring of delicate ecosystems or pristine sites is critical to their preservation. The communication infrastructure for such monitoring should have as little impact on the natural ecosystem as possible. Because of their wide range capabilities and independence from heavy infrastructure, low-power wide area network protocols have recently been used in remote monitoring. In this regard, we propose a mobile vehicle-mounted gateway architecture for IoT data collection in communication-network-free areas. The limits of reliable communication are investigated in terms of gateway speed, throughput, and energy consumption. We investigate the performance of various gateway arrival scenarios, focusing on the trade-off between freshness of data, data collection rate, and end-node power consumption. Then we validate our findings using both real-world experiments and simulations. In addition, we present a case study exploiting the proposed architecture to provide coverage for Wadi El-Gemal national park in Egypt. The results show that reliable communication is achieved over all spreading factors (SFs) for gateway speeds up to 150 km\/h with negligible performance degradation at SFs=11,12 at speeds more than 100 km\/h. The synchronized transmission model ensures the best performance in terms of throughput and power consumption at the expense of the freshness of data. Nonsynchronized transmission allows time-flexible data collection at the expense of increased power consumption. The same throughput as semisynchronized transmission is achieved using four gateways at only five times the energy consumption, while a single gateway requires seventeen times the amount of energy. Furthermore, increasing the number of gateways to ten increases the throughput to the level achieved by the synchronized scenario while consuming eight times the energy.<\/jats:p>","DOI":"10.3390\/s23031698","type":"journal-article","created":{"date-parts":[[2023,2,3]],"date-time":"2023-02-03T03:36:57Z","timestamp":1675395417000},"page":"1698","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":20,"title":["Mobility of LoRaWAN Gateways for Efficient Environmental Monitoring in Pristine Sites"],"prefix":"10.3390","volume":"23","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4458-1583","authenticated-orcid":false,"given":"Salma","family":"Sobhi","sequence":"first","affiliation":[{"name":"Wireless Communication Engineering, Information Technology Institute, Ismailia 8366004, Egypt"},{"name":"Electrical Engineering Department, Faculty of Engineering, Suez Canal University, Ismailia 8366004, Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8854-8369","authenticated-orcid":false,"given":"Ahmed","family":"Elzanaty","sequence":"additional","affiliation":[{"name":"Institute for Communication Systems, University of Surrey, Guildford GU2 7XH, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6695-370X","authenticated-orcid":false,"given":"Mohamed Y.","family":"Selim","sequence":"additional","affiliation":[{"name":"Electrical Engineering Department, Faculty of Engineering, Suez Canal University, Ismailia 8366004, Egypt"},{"name":"Electrical and Computer Engineering Department, Iowa State University, Ames, IA 50011, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Atef M.","family":"Ghuniem","sequence":"additional","affiliation":[{"name":"Electrical Engineering Department, Faculty of Engineering, Suez Canal University, Ismailia 8366004, Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3427-2808","authenticated-orcid":false,"given":"Mohamed F.","family":"Abdelkader","sequence":"additional","affiliation":[{"name":"Wireless Communication Engineering, Information Technology Institute, Ismailia 8366004, Egypt"},{"name":"Department of Electrical Engineering, Port Said University, Port Said 42526, Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2023,2,3]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Karagulian, F., Barbiere, M., Kotsev, A., Spinelle, L., Gerboles, M., Lagler, F., Redon, N., Crunaire, S., and Borowiak, A. 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