返回：链表新的首节点。
成员节点负责感知和收集信息，发送数据给簇首节点。
Members of the node is responsible for sensing and gathering information, sending data to the cluster head node.
然后，以基站为树根，各簇首节点根据跳数和能量级别建立层次路由树。
Then, a hierarchical routing tree with base station as the root is established according to the hop and energy-level of.
因为考虑到节点的异构性，该协议使能力强的节点担当首节点与父节点以提高多播组性能。
Due to the node isomerism, the protocol chooses high priority node as dead peer and father peer to.
提出了上述定位算法的一个应用：基于定位信息的能量高效无线传感器网络首节点选择的算法。
This dissertation proposes an application of the above localization algorithm: location aware energy efficient heard node selection algorithm in wireless sensor networks.
逻辑上能和其他簇内节点通信的节点都可以做网关，这些节点相对于簇首节点称为网关支配集。
The node that can logically communicate with the nodes in other clusters has the ability to be gateway, and the set of these nodes is defined as gateway dominating set relative to cluster-head.
分群的分布式MANET是由具有移动性的节点组成的自组织的网络，这种网络中有若干群，群内有群首节点、普通节点和网关节点三种类型的节点。
The cluster-based distributed MANET consists of several clusters, in which three kinds of nodes are included: cluster heads, ordinary nodes and gateway nodes, and the nodes in it are self-organized.
簇稳定阶段引入簇内节点对簇首广播消息进行认证的机制。
Nodes in cluster certificated the first broadcast message of cluster during cluster stable stage.
网格划分完成后，每个网格选举一个节点作为群首，群首可以对网格内节点进行管理，并具有路由转发功能。
When grid is formed, every grid has a gateway. The grid gateway could manage the nodes in the grid, route and transfer packets.
但节点在空间上分布不均以及在每轮稳定阶段担当簇首的节点能耗不均都会使得网络平均性能下降。
But the nodes are random in area, and the energy consumption isn't well-distributed in every steady-state phase, so that the average performance of networks declines.
改进后的算法选择连通度高的节点优先成为簇首，这样选择出的簇首更加利于簇的管理与维护。
The new algorithm chooses node which holds a higher connectivity to be a cluster head, so that the cluster head elected would be more appropriate for the topology.
改进后的算法选择连通度高的节点优先成为簇首，这样选择出的簇首更加利于簇的管理与维护。
The new algorithm chooses node which holds a higher connectivity to be a cluster head, so that the cluster head elected would be more appropriate for the topology.
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