Gateway selection in backbone wireless mesh networks
WCNC'09 Proceedings of the 2009 IEEE conference on Wireless Communications & Networking Conference
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Community wireless networks have been proposed as a powerful technique to spread broadband network access to underprivileged, under-provisioned and remote areas. These networks consist of a few Internet gateways which are reached by homes using multi-hop wireless links between wireless routers. The benefits of such networks include low costs for deployment due to reduced wiring needs, low maintenance and increased flexibility. Current practice in routing protocols for such networks (e.g. LQSR, OLSR and SrcRR) is for routing protocols to obtain information about the link quality (via some metric such as ETT, ETX) and select a gateway to whom a route minimizes the cost of the metric. All nodes operate on the same known frequency to maintain connectivity.