Health care is a major concern in our society. In the rising technology, the Internet of Things (IoT) technology is the key technology, attracting everyone's attention towards it which totally revolutionizes the health care system. Internet of Things (IoT) technology has the potential to decrease the stress on the healthcare system mainly caused by an aging population and a continuous rise in chronic illness. The major objective of this paper is to study the background of the health care system and the convergence of IoT in the health care system. This paper mainly focuses on how IoT has changed the traditional way of healthcare monitoring in a smart and efficient way. In last a literature survey also be done on various IoT based healthcare monitoring system which shows that IoT sis a great revolution in the health care system. Keywords—Internet of Things, IoT I. INTRODUCTION The Health care system is a crucial part of our life. Unfortunately, the rising rate of the aging population and related increase in chronic illness has placed a lot of strain on the health care system.
The shortage of hospital resources from hospital beds to doctors and nurses is imminent worldwide and the cost of treating chronic illness is continuously increasing. Obviously, a solution must be required to decrease the load on the health care system and also make it offer high -quality service to patients at high risk. One of the potential solution to alleviate the strain on the health care system is the adoption of the Internet of Things (IoT). Internet of Things (IoT) is a network of devices that connect all the devices directly with each other in order to capture and share vital amount of data through a secure service layer (SSL) and making it possible to collect, record and analyze a new data stream extremely accurate and faster. The idea of connecting devices directly with each other is given by 'Kevin Ashton'. Realization of the IoT concept into the real world is possible through the incorporation of several promising technologies such as Identification, communication and sensing technologies can be integrated with IoT. In IoT, Radio Identification Tag (RFID) can be used to uniquely identify and monitor objects in real time and wireless sensor network used for communication and sensing purpose.
After applying the principles of the Internet of Things (IoT) in health care, it may improve access to services, increase the quality of service and importantly reduce the cost of providing health care service. The concept of 'Smart Healthcare' can be considered as the sub-system under 'Smart City' and has attracted extensive attention now a day. A lot of research has been done in healthcare monitoring and controlling, interoperability and security, big data analysis and management, pervasive healthcare and sensing etc.
Despite of all existing successes, technical challenges and uncertainty issues still exist which should be handled to deploy an intelligent IoT based health care system. In this paper, we summarize the background and advancement of the state of art studies in IoT based health care system and to provide a systematic review on IoT enabling technologies and smart health care devices. This paper also focuses on the major components of IoT based health care system and the methodology used for the implementation of IoT based health care system. In last a literature survey also be done on various IoT based health care monitoring system and a comparison must be made which show the major difference between traditional and IoT based health care system. The structure of this paper is arranged as follows: Section 2 briefly describes the background details of health care along with IoT convergence. Section 3 focused on enabling technologies such as identification, communication and sensing technology and smart health care devices. Section 4 presents the major components of IoT based health care system. Section 5 explains the implementation methodology of IoT based health care system. Section 6 provides a literature survey on various IoT based health care system. Section 7 discusses the conclusion and future study.
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