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Seamless handoff support is an essential issue to ensure continuous communications in wireless mesh networks (WMNs). Due to the existence of multi-hop wireless links, traditional handoff schemes designed for single-hop wireless access networks can hardly guarantee the low handoff latency requirement in WMNs. Existing solutions on reducing the handoff delay in WMNs ignore one important factor for the...
Channel assignment schemes in Multi-Radio Wireless Mesh Networks (MR-WMNs) usually leave several links sharing the same channel within overlapped transmissions or interference ranges; this is especially true when only one radio is used or when the number of radios is very small compared to the number of orthogonal channels. In order to further improve MR-WMN performance, especially for mobile multimedia...
Low transmission rate links are bottlenecks that degrade the performance of Wireless Mesh Networks (WMN), especially when they co-exist with high-rate links. In this paper we investigate the incentives for mesh node sharing between different operators. Such cooperation aims to replace low-rate links with multiple higher rate links, and is induced solely from the improved performance that can be achieved...
The maximum utilization of Multi Channel - Multi Radio Wireless Mesh Networks (WMNs) can be achieved only by intelligent Channel Assignment (CA) and Link Scheduling (LS). A common CA and LS may not be optimal, in terms of utilization of underlying network resources, for every traffic demand in the network. Using the best CA and LS for every traffic demand results in channel reassignments which in...
This paper studied and analyzed expected throughput metric (ETP), found out that it made a conservative estimate for long path, and it didn't take into account the impact of node's loading on the performance of path. In view to the problem, this paper assumed the interference range of links as two hops, and proposed the definition of node's loading in wireless mesh network, and combined the two with...
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