Method for two-stage packet aggregation facing wireless sensor network of hybrid topology structure
    1.
    发明授权
    Method for two-stage packet aggregation facing wireless sensor network of hybrid topology structure 有权
    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

    公开(公告)号:US08737226B2

    公开(公告)日:2014-05-27

    申请号:US13508041

    申请日:2009-12-11

    IPC分类号: G01R31/08

    摘要: 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.

    摘要翻译: 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。

    METHOD FOR TWO-STAGE PACKET AGGREGATION FACING WIRELESS SENSOR NETWORK OF HYBRID TOPOLOGY STRUCTURE
    2.
    发明申请
    METHOD FOR TWO-STAGE PACKET AGGREGATION FACING WIRELESS SENSOR NETWORK OF HYBRID TOPOLOGY STRUCTURE 有权
    方法用于两层混合拓扑结构无线传感器网络的分组聚合

    公开(公告)号:US20130089003A1

    公开(公告)日:2013-04-11

    申请号:US13508041

    申请日:2009-12-11

    IPC分类号: H04W84/18

    摘要: 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.

    摘要翻译: 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。

    Communication method for mesh and star topology structure wireless sensor network
    3.
    发明授权
    Communication method for mesh and star topology structure wireless sensor network 有权
    网格和星形拓扑结构无线传感器网络的通信方法

    公开(公告)号:US08730838B2

    公开(公告)日:2014-05-20

    申请号:US13220724

    申请日:2011-08-30

    IPC分类号: H04L12/28

    摘要: A method of achieving wireless sensor network (WSN) communication in a mesh and star topology network (MSTN), including: a) connecting a plurality of nodes in a WSN to form a mesh and star hybrid topology structure; b) based on the topology structure, defining a superframe structure based on IEEE 802.15.4-2006; c) based on the topology structure and superframe structure, defining methods for long period data processing, connectivity assessment, medium access control, channel measurement, frequency hopping, beacon frame formation, and two-stage resource allocation; d) based on the topology structure, superframe structure, and methods, defining a method for network establishment; and e) based on the network establishment method, defining a method for MSTN communications. The method features real-time communication, high reliability, and low energy consumption.

    摘要翻译: 一种在网状和星形拓扑网络(MSTN)中实现无线传感器网络(WSN)通信的方法,包括:a)连接WSN中的多个节点以形成网格和星型混合拓扑结构; b)基于拓扑结构,定义基于IEEE 802.15.4-2006的超帧结构; c)基于拓扑结构和超帧结构,定义长周期数据处理,连通性评估,媒体访问控制,信道测量,跳频,信标帧形成和两阶段资源分配的方法; d)基于拓扑结构,超帧结构和方法,定义网络建立方法; 和e)基于网络建立方法,定义用于MSTN通信的方法。 该方法具有实时通信,可靠性高,能耗低的特点。