tailieunhanh - Báo cáo hóa học: " Research Article Simulating Real-Time Aspects of Wireless Sensor Networks"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article Simulating Real-Time Aspects of Wireless Sensor Networks | Hindawi Publishing Corporation EURASIP Journal on Wireless Communications and Networking Volume 2010 Article ID 107946 19 pages doi 2010 107946 Research Article Simulating Real-Time Aspects of Wireless Sensor Networks Paolo Pagano 1 Mangesh Chitnis 1 Giuseppe Lipari 1 Christian Nastasi 1 and Yao Liang2 1 Real-Time Systems Laboratory RETIS Lab Scuola Superiore Sant Anna Via G. Moruzzi 1 56124 Pisa Italy 2 Department of Computer and Information Science Indiana University-Purdue University Indianapolis 723 w Michigan Street SL 280 Indianapolis IN 46202-5132 USA Correspondence should be addressed to Paolo Pagano Received 10 June 2009 Accepted 10 November 2009 Academic Editor Arnd-Ragnar Rhiemeier Copyright 2010 Paolo Pagano et al. This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Wireless Sensor Networks WSNs technology has been mainly used in the applications with low-frequency sampling and little computational complexity. Recently new classes of WSN-based applications with different characteristics are being considered including process control industrial automation and visual surveillance. Such new applications usually involve relatively heavy computations and also present real-time requirements as bounded end-to- end delay and guaranteed Quality of Service. It becomes then necessary to employ proper resource management policies not only for communication resources but also jointly for computing resources in the design and development of such WSN-based applications. In this context simulation can play a critical role together with analytical models for validating a system design against the parameters of Quality of Service demanded for. In this paper we present RTNS a publicly available free simulation tool which includes Operating System aspects in wireless distributed .