Wearable Sensors for Vital Signs: A Review of 20 Years in BioCAS and Future Directions

This paper presents a comprehensive review of the advancements of wearables over 20 years of BioCAS and explores future directions in the field. The review focuses on the evolving needs, innovation solutions, and technological progress of these sensors. We categorize the existing literature into key themes, highlighting significant advancements, challenges and future prospects in wearable sensor technology.