Abstract
Context-aware computing is a class of new conceptual pervasive computing system, which spring up and develop rapidly recently. In order to screen heterogeneity of ubiquitous networks and support rapid development of applications in context-awareness, the idea of middleware is widely adopted. In this paper, the middleware is proposed to support the application development of context-awareness under the wireless sensor networks environment. It applies the updated service-oriented and light-weight structure with excellent expansibility and efficiency in the running process. The runtime structure of the middleware is presented. During the process of context-awareness, the new method of awareness synchronization is designed to ensure the sensitivity to context switch. The algorithm of the energy efficiency during the context-awareness process is designed and evaluated. At the end of the paper, a healthcare scenario is used to validate the design methodology and demonstrate the supporting function of middleware.
This research work is supported by the National Natural Science Foundation of China (granted Nos. 90612004, 90412011,60673180 and 90104022), and the Co-Funding Project of Beijing Municipal Commission of Education under granted No.SYS100060412.
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Bai, Y., Ji, H., Lu, H., Li, C., Zou, Q., Lv, P. (2007). Design of the Middleware Enabling Context Awareness and Energy Optimizing for Smart Environment. In: Enokido, T., Barolli, L., Takizawa, M. (eds) Network-Based Information Systems. NBiS 2007. Lecture Notes in Computer Science, vol 4658. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-74573-0_19
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DOI: https://doi.org/10.1007/978-3-540-74573-0_19
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