By Kin K Leung; Ekram Hossain
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Extra resources for Wireless mesh networks : architectures, protocols, services and applications
50, pp. 877-897, May 2006. 25. V. C. Gungor, P. Pace, and E. Natalizio, “AR-TP: An adaptive and responsive transport protocol for wireless mesh networks,” in Proc. of IEEE ICC ’07, Glasgow, Scotland, June 2007. 26. V. C. Gungor, C. Sastry, Z. Song, and R. Integlia, “Resource-aware and link-qualitybased routing metric for wireless sensor and actor networks,” in Proc. of IEEE ICC ’07, Glasgow, Scotland, June 2007. 27. G. Holland and N. H. Vaidya, “Analysis of TCP performance over mobile ad hoc networks,” in Proc.
Thus, each router must be able to autonomously take forwarding decisions for every packet. • Independent of Any Traffic Profile: It is not always possible to have an a priori knowledge of the offered traffic load. Therefore, the routing algorithm should not require such a knowledge and should perform well under any traffic profile. Besides the above requirements, a routing algorithm designed for WMNs should accomplish the following objectives deriving from the unique characteristics of a multi-hop wireless network: • Link Quality Variations: In a wireless mesh network, the quality of a wireless link can rapidly change because of varying environment conditions.
Second, a scalable multi-channel ring-based WMN for wide-area coverage is shown in Fig. 6, where the central gateway and stationary mesh nodes in the cell form a multi-hop WMN. Note that the mesh cell is divided into several rings allocated with different channels. -H. -C. -J. Chang R R R D B R S R R R S : Source D : Destination B : Broken node : Broken route : New route HJH Fig. 3. Robustness of wireless mesh network. medium. Besides, mesh nodes in the inner rings will relay data for nodes in the outer rings toward the central gateway.