Ishaq, IsamIsamIshaqHoebeke, JeroenJeroenHoebekeMoerman, IngridIngridMoermanDemeester, PietPietDemeester2021-10-232021-10-2320161870-8705https://imec-publications.be/handle/20.500.12860/26769Observing CoAP groups efficientlyJournal article