The World Wide Web has made world a global village and internet of things (IoT) is making this place smarter and efficient by allowing the variety of sensors and smart objects to collect and process the information for various use. These smart objects are making healthcare system smarter and giving advantages to underdeveloped countries where basic health units do not have complete medical infrastructure. However, a specialized architecture is missing for smart health unit that can support for collecting and forwarding the health information to headquarter hospitals where live support for patient is available. In this paper, we evaluated the various IoT based health system models and their applications. To provide intelligent health services, we have proposed a smart health unit model in which the country’s basic health units are converted into smart health units and these smart health units are connected to their respective headquarter hospitals. The proposed model presents a layered approach, which includes sensor, network access and service layer that make the efficient communication possible.
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