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Báo cáo hóa học: " Research Article Contention- and Interference-Aware Flow-Based Routing in Wireless Mesh Networks: Design and Evaluation of a Novel Routing Metric"

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 Contention- and Interference-Aware Flow-Based Routing in Wireless Mesh Networks: Design and Evaluation of a Novel Routing Metric | Hindawi Publishing Corporation EURASIP Journal on Wireless Communications and Networking Volume 2010 Article ID313768 20 pages doi 10.1155 2010 313768 Research Article Contention- and Interference-Aware Flow-Based Routing in Wireless Mesh Networks Design and Evaluation of a Novel Routing Metric Miguel Catalan-Cid 1 2 Jose Luis Ferrer 1 2 Carles Gomez 1 2 and Josep Paradells1 2 1 Grup de Xarxes sense Fils WNG Universitat Politecnica de Catalunya UPC Jordi Girona 1 -3 08034 Barcelona Spain 2i2CAT Foundation Gran Capita 2-4 Nexus building 08034 Barcelona Spain Correspondence should be addressed to Miguel Catalan-Cid miguel.catalan@entel.upc.edu Received 13 July 2010 Revised 2 December 2010 Accepted 20 December 2010 Academic Editor Ibrahim Develi Copyright 2010 Miguel Catalan-Cid 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. As the popularity of IEEE 802.11-based Wireless Mesh Networks WMNs grows end users of these environments demand better performance and quality of service QoS . However the Medium Access Control MAC layer of the IEEE 802.11 standard was not initially designed to provide either multihop or QoS capabilities. Therefore the performance of IEEE 802.11-based WMNs is not optimal. One approach that can mitigate the limitations of IEEE 802.11-based WMNs relies on routing flows through appropriate paths according to i the characteristics of the flows ii the quality of the WMN links iii the contention in transmission and iv the interference in reception. Considerable research effort has been devoted to this topic. However as we argue in this paper a comprehensive solution is still needed. This paper presents the Weighted Contention and Interference routing Metric WCIM . Extensive simulation results show that WCIM outperforms state-of-the-art solutions. 1. Introduction Wireless Mesh Networks