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    • 5. 发明申请
    • METHOD OF ROUTING PATH IN WIRELESS SENSOR NETWORKS BASED ON CLUSTERS
    • 基于群集的无线传感器网络路由方法
    • WO2009057833A1
    • 2009-05-07
    • PCT/KR2007/005401
    • 2007-10-30
    • AJOU UNIVERSITY INDUSTRY COOPERATION FOUNDATIONJUNG, Sung YoungKIM, Jai HoonLEE, Dong WookCHO, We Duck
    • JUNG, Sung YoungKIM, Jai HoonLEE, Dong WookCHO, We Duck
    • H04L12/28
    • H04W40/32H04W28/06H04W40/20H04W52/0219H04W88/04Y02D70/38
    • A routing method for a cluster-based wireless sensor network is provided for improving lifespan of the network and reducing network traffic. A routing method is proposed for a wireless sensor network having a sensor field defined by a plurality of clusters each including a plurality of sensor nodes and a header node, one of the cluster is a head cluster including a sink node. The routing method includes announcing, at least one sensor node which is the sensor node detected an event, the event; requesting, at the sink node, the source node to transmit data required for ubiquitous services; and transmitting, at the at least one source node, data to the sink node. Announcing the event includes relaying, at the at least one source node, a data announcement packet from a source cluster to which the source node belongs to a destination cluster which is arranged along an ith second direction axis through the header nodes of the clusters arranged along a first direction axis of the source cluster. The routing method of the present invention reduces the transmission amounts of data request and data packets, thereby conserving the energy and bandwidth, resulting in improvement of network life time.
    • 提供了一种用于基于群集的无线传感器网络的路由方法,用于提高网络的寿命并减少网络流量。 提出了一种无线传感器网络的路由方法,该无线传感器网络具有由包括多个传感器节点和头部节点的多个簇定义的传感器域,其中一个群集是包括宿节点的头簇。 所述路由方法包括通知所述事件的至少一个传感器节点,所述至少一个传感器节点是所述传感器节点检测到事件; 在汇聚节点处请求源节点传送无处不在的服务所需的数据; 以及在所述至少一个源节点处将数据发送到所述汇聚节点。 宣布该事件包括在至少一个源节点处,将来自源节点的数据通知分组中继到源节点所属的目标簇,该目的簇通过沿着第i个第二方向轴排列的簇的头节点排列 源集群的第一个方向轴。 本发明的路由方法减少数据请求和数据分组的传输量,从而节省能量和带宽,从而改善网络使用寿命。