{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,29]],"date-time":"2026-06-29T17:03:13Z","timestamp":1782752593193,"version":"3.54.5"},"reference-count":109,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2021,1,29]],"date-time":"2021-01-29T00:00:00Z","timestamp":1611878400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100010661","name":"Horizon 2020","doi-asserted-by":"publisher","award":["731884"],"award-info":[{"award-number":["731884"]}],"id":[{"id":"10.13039\/100010661","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100013276","name":"Interreg","doi-asserted-by":"publisher","award":["4.7.360"],"award-info":[{"award-number":["4.7.360"]}],"id":[{"id":"10.13039\/100013276","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Long-range wireless connectivity technologies for sensors and actuators open the door for a variety of new Internet of Things (IoT) applications. These technologies can be deployed to establish new monitoring capabilities and enhance efficiency of services in a rich diversity of domains. Low energy consumption is essential to enable battery-powered IoT nodes with a long autonomy. This paper explains the challenges posed by combining low-power and long-range connectivity. An energy breakdown demonstrates the dominance of transmit and sleep energy. The principles for achieving both low-power and wide-area are outlined, and the landscape of available networking technologies that are suited to connect remote IoT nodes is sketched. The typical anatomy of such a node is presented, and the subsystems are zoomed into. The art of designing remote IoT devices requires an application-oriented approach, where a meticulous design and smart operation are essential to grant a long battery life. In particular we demonstrate the importance of strategies such as \u201cthink before you talk\u201d and \u201crace to sleep\u201d. As maintenance of IoT nodes is often cumbersome due to being deployed at hard to reach places, extending the battery life of these devices is critical. Moreover, the environmental impact of batteries further demonstrates the need for a longer battery life in order to reduce the number of batteries used.<\/jats:p>","DOI":"10.3390\/s21030913","type":"journal-article","created":{"date-parts":[[2021,1,29]],"date-time":"2021-01-29T09:25:22Z","timestamp":1611912322000},"page":"913","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":112,"title":["The Art of Designing Remote IoT Devices\u2014Technologies and Strategies for a Long Battery Life"],"prefix":"10.3390","volume":"21","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2413-986X","authenticated-orcid":false,"given":"Gilles","family":"Callebaut","sequence":"first","affiliation":[{"name":"ESAT-DRAMCO, Ghent Technology Campus, KU Leuven, 9000 Ghent, Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9633-2584","authenticated-orcid":false,"given":"Guus","family":"Leenders","sequence":"additional","affiliation":[{"name":"ESAT-DRAMCO, Ghent Technology Campus, KU Leuven, 9000 Ghent, Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4103-3290","authenticated-orcid":false,"given":"Jarne","family":"Van Mulders","sequence":"additional","affiliation":[{"name":"ESAT-DRAMCO, Ghent Technology Campus, KU Leuven, 9000 Ghent, Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3690-2458","authenticated-orcid":false,"given":"Geoffrey","family":"Ottoy","sequence":"additional","affiliation":[{"name":"ESAT-DRAMCO, Ghent Technology Campus, KU Leuven, 9000 Ghent, Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8172-9650","authenticated-orcid":false,"given":"Lieven","family":"De Strycker","sequence":"additional","affiliation":[{"name":"ESAT-DRAMCO, Ghent Technology Campus, KU Leuven, 9000 Ghent, Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9158-9628","authenticated-orcid":false,"given":"Liesbet","family":"Van der Perre","sequence":"additional","affiliation":[{"name":"ESAT-DRAMCO, Ghent Technology Campus, KU Leuven, 9000 Ghent, Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2021,1,29]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Thoen, B., Callebaut, G., Leenders, G., and Wielandt, S. 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