WISeMid: Middleware for Integrating Wireless Sensor Networks and the Internet

Abstract

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Conception and Evaluation of Internet of Things Connecting to RFID Framework

“…Most of these tools are struggling to adapt to the new challenges of the current health chain, namely demand uncertainty, coordination and global governance of the health chain [12], An intelligent and dynamic control [13], the flexibility of the chain to better meet the demands of the customer [14]. Similarly, these tools must deal with risk management and local and global decisionmaking for a decentralized health chain [15]; The interoperability of health networks with the constraints of heterogeneity of norms and standards.…”

A Framework for Integrating Wireless Sensor Networks and the Internet

“…Once the services have been described, a middleware called WISeMid (Wireless sensor network's and Internet's Services integration Middleware) [8] provides a communication infrastructure for the services interaction, supporting the integration of WSNs and the Internet at service level. In this context, applications running in the Internet/WSN nodes may play the role of service providers or service users, where a service user is able to communicate with a service provider no matter whether they are running in the same network or not.…”

“…Property values are defined in properties clauses (8)(9)(10), which are related to the service type that specified the property type (8). Every property type defined as MANDATORY or MANDATORY_READ_ONLY in the service type must have a property value associated to its name in the properties clause (9).…”

“…Then, this variable is copied to a partner link (8)(9)(10)(11). Finally, the invocation to the updated partner link is done (12).…”

“…Comparing an application that uses WISeMid infrastructure to a similar application that uses only TinyOS, the results shows that the service abstraction provided by WISeMid brings an energy consumption increase of 16.11% compared to the TinyOS application version (see [8] for details). Although it is not a negligible increase, the facilities offered by the WISeMid service abstraction as well as the energy saving brought by the energy aware mechanisms, which are presented next, compensate that.…”