tailieunhanh - Báo cáo hóa học: " Research Article Evaluating IEEE 802.15.4 for Cyber-Physical Systems"

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 Evaluating IEEE for Cyber-Physical Systems | Hindawi Publishing Corporation EURASIP Journal on Wireless Communications and Networking Volume 2011 Article ID 596397 14 pages doi 2011 596397 Research Article Evaluating IEEE for Cyber-Physical Systems Feng Xia 1 Alexey Vinel 2 3 Ruixia Gao 1 Linqiang Wang 1 and Tie Qiu1 1 School of Software Dalian University of Technology Dalian 116620 China 2 Department of Communication Engineering Tampere University of Technology Tampere 33720 Finland 3 Telecommunication Technologies and Computer Networks Group SPIIRAS St. Petersburg 199178 Russia Correspondence should be addressed to Feng Xia Received 1 December 2010 Accepted 11 February 2011 Academic Editor Boris Bellalta Copyright 2011 Feng Xia 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. With rapid advancements in sensing networking and computing technologies recent years have witnessed the emergence of cyber-physical systems CPS in a broad range of application domains. CPS is a new class of engineered systems that features the integration of computation communications and control. In contrast to general-purpose computing systems many cyberphysical applications are safety critical. These applications impose considerable requirements on quality of service QoS of the employed networking infrastruture. Since IEEE has been widely considered as a suitable protocol for CPS over wireless sensor and actuator networks it is of vital importance to evaluate its performance extensively. Serving for this purpose this paper will analyze the performance of IEEE standard operating in different modes respectively. Extensive simulations have been conducted to examine how network QoS will be impacted by some critical parameters. The results are presented and analyzed which provide some useful insights for network parameter