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中文摘要：
该文提出了一种支持动态多速率传输的无线Ad hoc网络路由方案，它能够增加网络的吞吐量和减少分组的传输时延。该方案把路由功能分为两个部分：广域路由功能和本地路由功能。本地路由功能是一个独立的子层，负责在广域路由功能选择的中继节点之间适当地增加新转发节点，使最终路由巾的每段链路都能使用高速率进行传输，从而减小数据发送过程中总的信道占用时间。该文设计了一种LDSR协议来执行本地路由功能。仿真结果显示了新的路由方案能够有效地利用网络节点的多速率传输能力，获得更好的网络性能。
英文摘要：
A dynamic multi-rate routing scheme is presented. It can increase the throughput and decrease the ETE transmission delay of the Mobile Ad hoc NETworks （MANETs）. The scheme divides routing function into two parts, the wide routing function and the local routing function. The local routing function, as an independent sub layer, takes charge in properly adding new forwarding nodes between the source-destination pair, by which every link in the resulting route can transmit in faster rate and the total channel occupancy time be reduced. The local routing function can be realized by the new LDSR （Local Dynamic Source Routing） protocol. Simulation result shows that the new multi-rate routing scheme outperforms traditional MANET routing protocols due to its better utilization of multi-rate support.
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