The position based routing protocols have scalability in the dynamic networks because they needn't maintain explicit routings.
基于位置的路由协议由于不必维护明确的路由，在这种高度动态的网络中具有很好的扩展性。
The basic idea of position based routing algorithm is to select the next hop based on the position information of nodes, and forward the packets to the direction of destination.
基于位置路由算法的基本思想是基于节点的位置信息来选择下一跳，将包向目的节点的方向上进行转发。
The performance comparison between VTBR and traditional position based routing protocols shows that VTBR algorithm has a much higher packet delivery success rate and a shorter average path length.
通过仿真，文中给出了VTBR算法与传统位置辅助路由协议的性能对比分析，对数据包传输成功率和平均路径长度这两个性能参数进行了评价。
The performance comparison between VTBR and traditional position based routing protocols shows that VTBR algorithm has a much higher packet delivery success rate and a shorter average path length.
通过仿真，文中给出了VTBR算法与传统位置辅助路由协议的性能对比分析，对数据包传输成功率和平均路径长度这两个性能参数进行了评价。
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