IoT-connected Low-power Wearable-based Autonomous Contact Tracing and Vital Sign Monitoring in Healthcare Settings

This study explores the efficacy of Bluetooth Low Energy-based contact tracing and vital sign monitoring in healthcare environments in the fight against COVID-19. It evaluates received signal strength for precise distance measurement, essential for identifying close contacts. The research introduces an innovative BLE and LoRa-based contact tracing framework. A notable advancement is the development of a chest patch for simultaneous vital sign recording and contact tracing. Additionally, the study examines the calibration longevity of Pulse Arrival Time-based blood pressure estimation, highlighting its accuracy and reliability in managing cardiovascular complications associated with COVID-19.