A Literature Review: Form Factors and Sensor Types of Wearable Devices

Introduction: Wearable devices can provide new ways of sensing users’ contexts [1]. Since they can be worn, wearable devices tend to have a higher context recognition rate than existing personal mobile devices [2]. For that reason, wearable devices can provide new functions based on context recognition to improve the usability and efficiency of services [3]. Form factors and sensors are used to develop wearable devices [4] [5]. Understanding form factors and sensors of current wearable devices can be useful to design wearable devices. Engineers can combine form factors and sensors to develop various wearable devices. However, it is difficult to find papers discussing current form factors and sensors of wearable devices. In this paper, sensors and form factors of wearable devices are investigated based on a literature survey.