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引用次数: 2
摘要
本文提出了一种适用于车辆自组织网络中移动节点的地理投射转发方案。地理播播用于向指定区域的节点发送消息。本文引入费马点区域的概念，即三角形顶点到该区域的距离和最小的区域，用于转发数据包。将费马点区域(Fermat point region, fpr)作为路由区域，使用贪婪路由算法将数据包转发到指定的区域。性能评估表明，该方法可以提高分组地理播播时的分组传输效率。
A Geocasting Forwarding Scheme for Mobile Nodes in VANETs
In this paper, we propose a geocasting forwarding scheme for mobile nodes in vehicle ad hoc networks. Geocasting is used for sending messages to nodes in a specified area. In this paper, we invest the concept of Fermat point region, a region that the sum of distances of the vertices of the triangle to this region is minimum, to forward packets. The Fermat point regions (FPRs) are used as routing regions to forward data packets to the specified area with the greedy routing algorithm. Performance evaluations show that it can improve the packet transmission efficiency during packet geocasting.
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