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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 Performance and Reliability of DSRC Vehicular Safety Communication: A Formal Analysis | Hindawi Publishing Corporation EURASIP Journal on Wireless Communications and Networking Volume 2009 Article ID 969164 13 pages doi 10.1155 2009 969164 Research Article Performance and Reliability of DSRC Vehicular Safety Communication A Formal Analysis Xiaomin Ma 1 Xianbo Chen 2 and Hazem H. Refai2 1 Department of Engineering and Physics School of Science and Engineering Oral Roberts University Tulsa OK 74171 USA 2 School of Electrical and Computer Engineering College of Engineering The University of Oklahoma Norman OK 73019 USA Correspondence should be addressed to Xiaomin Ma xma@oru.edu Received 31 March 2008 Revised 12 August 2008 Accepted 26 November 2008 Recommended by Onur Altintas IEEE- and ASTM-adopted dedicated short range communications DSRC standard toward 802.11p is a key enabling technology for the next generation of vehicular safety communication. Broadcasting of safety messages is one of the fundamental services in DSRC. There have been numerous publications addressing design and analysis of such broadcast ad hoc system based on the simulations. For the first time an analytical model is proposed in this paper to evaluate performance and reliability of IEEE 802.11a-based vehicle-to-vehicle V2V safety-related broadcast services in DSRC system on highway. The proposed model takes two safety services with different priorities nonsaturated message arrival hidden terminal problem fading transmission channel transmission range IEEE 802.11 backoff counter process and highly mobile vehicles on highway into account. Based on the solutions to the proposed analytic model closed-form expressions of channel throughput transmission delay and packet reception rates are derived. From the obtained numerical results under various offered traffic and network parameters new insights and enhancement suggestions are given. Copyright 2009 Xiaomin Ma et al. This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted .