An algorithm of multicast tree based on dividing cluster was put forward according to the characteristic of mobile networks in this paper.

针对移动网络的特点，提出了一种基于簇划分的多播树生成算法。

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Fuzzy cluster includes these algorithms, such as the transmitting closure, dynamic direct cluster, and maximum tree, and the operation times of dynamic direct cluster algorithm is the least.

其算法主要有传递闭包法、动态直接聚类法和最大树法等，其中动态直接聚类法计算量最少。

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The proposed localization algorithm first generates clusters and a spanning tree consisting of cluster heads, and then the cluster head computes local coordinates of all member nodes in the cluster.

着重设计了一种基于二跳生成树的可扩展分簇定位算法。首先对传感器网络进行分簇、并利用簇头节点构造一个二跳生成树；

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