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中文摘要：
在面向Internet接入无线Mesh网络（WMN）中，数据流在Mesh一侧的传输具有汇聚特性，终点大都为网关，因此最后一跳无线链路成为了WMN的瓶颈；同时不平衡的数据转发导致局部性能过低，也加剧了网络容量的低效问题．提出基于层次模型的路由转发策略，该路由策略通过平衡因子控制上层节点负载的均衡，从而提高WMN整体网络容量．仿真结果表明，采用层次化路由策略使得整体网络容量比HWMP提高了近20％，管理帧开销降至HWMP的40％．
英文摘要：
Mesh Gateways are destinations of data flows in Internet-accessing oriented WMN. The last-hop wireless links become bottleneck of WMN. Un-balanced data forwarding leads to lower capacity of the whole network, because it makes lower performance for some local areas. A new routing forwarding based on layer model is proposed in this paper. This strategy insures balance for upper-layer nodes using a balance factor. Capacity of whole WMN enhances accordingly. Simulation results indicate that compared with HWMP the layer routing can enhance the network capacity above 20% and management frame overhead is down to 40%.
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