Ruan, W. et al. 2015. TagFall: Towards Unobstructive Fine-Grained Fall Detection based on UHF Passive RFID Tags. EAI Endorsed Transactions on Internet of Things. 1, 2 (Aug. 2015), e4. DOI:https://doi.org/10.4108/eai.22-7-2015.2260072.