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    • 1. 发明授权
    • Method for two-stage packet aggregation facing wireless sensor network of hybrid topology structure
    • 面向混合拓扑结构的无线传感器网络的两阶段分组聚合方法
    • US08737226B2
    • 2014-05-27
    • US13508041
    • 2009-12-11
    • Wei LiangHaibin YuPeng ZengXiaoling ZhangZhijun ShangMiao YangWeijie XuZhijia Yang
    • Wei LiangHaibin YuPeng ZengXiaoling ZhangZhijun ShangMiao YangWeijie XuZhijia Yang
    • G01R31/08
    • H04W84/18H04L67/12H04L67/2833H04L69/22H04W40/32Y02D30/40Y02D70/22
    • A method for two-stage packet aggregation facing wireless sensor network with hybrid topology structure including: building various nodes in a wireless sensor network into a hybrid topology structure which combines the star topology and mesh topology; establishing a two-stage packet aggregation architecture for periodic sensor data based on the above described topology structure; determining the packet format, aggregating and disaggregating the two-stage packets based on the topology structure and aggregation architecture; according to the application, the aggregated nodes in the network configuring router nodes and aggregation attributes of the nodes; according to the aggregation attribute, the sensor nodes performing the first-stage aggregation and generates an first-stage aggregation packet; according to the aggregation attributes, the router node implementing second-stage aggregation and generating a second-stage aggregation packet; the aggregation nodes taking charge of disaggregating the aggregated packets. Embodiments of the invention adopt the above described hybrid topology structure, feature a two-stage packet aggregation method, decrease the overhead of packet-head, reduce the energy consumption of the nodes and inter-node interference, and save communication resources.
    • 一种面向具有混合拓扑结构的无线传感器网络的两阶段分组聚合的方法,包括:将无线传感器网络中的各个节点构建为组合星形拓扑和网格拓扑的混合拓扑结构; 基于上述拓扑结构建立周期性传感器数据的两阶段分组聚合体系结构; 确定分组格式,基于拓扑结构和聚合体系结构,聚合和分解两阶段分组; 根据应用,网络中的聚合节点配置路由器节点和节点的聚合属性; 根据聚合属性,传感器节点执行第一阶段聚合并生成第一阶段聚合分组; 根据聚合属性,路由器节点实现二级聚合,生成二级聚合报文; 聚合节点负责分组聚合报文。 本发明的实施例采用上述混合拓扑结构,采用两阶段分组聚合方式,减少分组头的开销,降低节点能量消耗和节点间干扰,节省通信资源。
    • 6. 发明申请
    • METHOD FOR TWO-STAGE PACKET AGGREGATION FACING WIRELESS SENSOR NETWORK OF HYBRID TOPOLOGY STRUCTURE
    • 方法用于两层混合拓扑结构无线传感器网络的分组聚合
    • US20130089003A1
    • 2013-04-11
    • US13508041
    • 2009-12-11
    • Wei LiangHaibin YuPeng ZengXiaoling ZhangZhijun ShangMiao YangWeijie XuZhijia Yang
    • Wei LiangHaibin YuPeng ZengXiaoling ZhangZhijun ShangMiao YangWeijie XuZhijia Yang
    • H04W84/18
    • H04W84/18H04L67/12H04L67/2833H04L69/22H04W40/32Y02D30/40Y02D70/22
    • A method for two-stage packet aggregation facing wireless sensor network with hybrid topology structure including: building various nodes in a wireless sensor network into a hybrid topology structure which combines the star topology and mesh topology; establishing a two-stage packet aggregation architecture for periodic sensor data based on the above described topology structure; determining the packet format, aggregating and disaggregating the two-stage packets based on the topology structure and aggregation architecture; according to the application, the aggregated nodes in the network configuring router nodes and aggregation attributes of the nodes; according to the aggregation attribute, the sensor nodes performing the first-stage aggregation and generates an first-stage aggregation packet; according to the aggregation attributes, the router node implementing second-stage aggregation and generating a second-stage aggregation packet; the aggregation nodes taking charge of disaggregating the aggregated packets. Embodiments of the invention adopt the above described hybrid topology structure, feature a two-stage packet aggregation method, decrease the overhead of packet-head, reduce the energy consumption of the nodes and inter-node interference, and save communication resources.
    • 一种面向具有混合拓扑结构的无线传感器网络的两阶段分组聚合的方法,包括:将无线传感器网络中的各个节点构建为组合星形拓扑和网格拓扑的混合拓扑结构; 基于上述拓扑结构建立周期性传感器数据的两阶段分组聚合体系结构; 确定分组格式,基于拓扑结构和聚合体系结构,聚合和分解两阶段分组; 根据应用,网络中的聚合节点配置路由器节点和节点的聚合属性; 根据聚合属性,传感器节点执行第一阶段聚合并生成第一阶段聚合分组; 根据聚合属性,路由器节点实现二级聚合,生成二级聚合报文; 聚合节点负责分组聚合报文。 本发明的实施例采用上述混合拓扑结构,采用两阶段分组聚合方式,减少分组头的开销,降低节点能量消耗和节点间干扰,节省通信资源。