Alarm systems 1 Biomedical monitoring 1 Biomedical signal processing 1 Compressed sensing 1 Data compression 1 Electric batteries 1 Energy utilization 1 Energy-Constrained PPG Devices 1 Energy-constrained 1 Energy-constrained photoplethysmogram device 1 Errors 1 Feature extraction 1 Features extraction 1 Heart 1 Internet of Medical Things 1 Internet of medical thing 1 Monitoring 1 PPG Data Compression 1 Patient monitoring 1 Photoplethysmogram 1 Photoplethysmogram (PPG) 1 Photoplethysmogram data compression 1 Photoplethysmography 1 Pulse Rate Measurement 1 Pulse measurements Pulse rate 1 Pulse rate measurement 1 Rate measurements 1 Respiration Rate Measurement 1 Respiration rate 1