Table 4.
Summary of recent research studies performed on contact tracing and social distancing in the context of COVID-19.
| Wearable Device | Sensors | Multimodal Sensing | Wireless Connectivity | Features | Study |
|---|---|---|---|---|---|
| Fitbit, Garmin, Apple | Inertial and position-tracking sensors | ✓ | WiFi and Bluetooth | Social distancing | [96] |
| Wearable (no specific position) | Multiple sensors | ✗ | Bluetooth | Social distancing and contact tracing | [97] |
| Belt | Microcontroller with an ultrasonic sensor | ✗ | Bluetooth | Social distancing detection system | [98] |
| Smartphone | Inertial sensors, HR sensor | ✓ | Bluetooth | Contact tracing | [99] |
| Smartwatch and smartphone | Inertial sensors, vital sign monitoring sensors | ✓ | WiFi | Contact tracing | [100] |