TAILIEUCHUNG - Báo cáo hóa học: " Research Article Improving the Dominating-Set Routing over Delay-Tolerant Mobile Ad-Hoc Networks via Estimating Node Intermeeting Times"

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: IResearch Article Improving the Dominating-Set Routing over Delay-Tolerant Mobile Ad-Hoc Networks via Estimating Node Intermeeting Times | Hindawi Publishing Corporation EURASIP Journal on Wireless Communications and Networking Volume 2011 Article ID 402989 12 pages doi 2011 402989 Research Article Improving the Dominating-Set Routing over Delay-Tolerant Mobile Ad-Hoc Networks via Estimating Node Intermeeting Times Hany Samuel 1 Weihua Zhuang 1 and Bruno Preiss2 1 Department of Electrical and Computer Engineering University of Waterloo 200 University Avenue West Waterloo ON Canada N2L 3G1 2 System Software Research Group Research in Motion Limited RIM 175 Columbia Street West Waterloo ON Canada N2L 5Z5 Correspondence should be addressed to Hany Samuel hsamuel@ Received 31 May 2010 Revised 9 September 2010 Accepted 14 October 2010 Academic Editor Sergio Palazzo Copyright 2011 Hany Samuel 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 limited coverage of wireless networks and frequent roaming of mobile users providing a seamless communication service poses a technical challenge. In our previous research we presented a supernode system architecture that employs the delay-tolerant network DTN concept to provide seamless communications for roaming users over interconnected heterogeneous wireless networks. Mobile ad hoc networks MANETs are considered a key component of the supernode system for services over an area not covered by other wireless networks. Within the super node system a dominating-set routing technique is proposed to improve message delivery over MANETs and to achieve better resource utilization. The performance of the dominating-set routing technique depends on estimation accuracy of the probability of a future contact between nodes. This paper studies how node mobility can be modeled and used to better estimate the probability of a contact. We derive a distribution for the node-to-node .

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