自适应Tree-Mesh结构的大棚无线监测网络设计
针对大棚基地作物状态及环境信息的无线采集的需求，设计了改进的分簇Tree-Mesh混合拓扑结构无线传感器网络，并利用ZigBee实现了组网和多跳通信，以CC2530为核心设计了多传感器无线节点硬件系统，基于Z-Stack协议栈设计了有限状态机节点程序。同时，针对无线节点低功耗和网络信息低冗余的要求，设计了基于接收信号强度指示的最佳发射功率自适应机制，和基于感知数据差值的最小传输数据冗余自适应机制。试验结果表明，节点单跳和多跳通信速率典型值分别为20与0.3 kb/s，采用干电池供电和直流供电的节点通信距离分别可达30和90 m。仿真结果证明采用低功耗自适应机制的节点功耗降低了38.44%，可用...
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| Published in | 农业工程学报 Vol. 29; no. 5; pp. 102 - 108 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
西南科技大学信息工程学院,绵阳 621010%西南科技大学国防科技学院,绵阳 621010
2013
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1002-6819 |
| DOI | 10.3969/j.issn.1002-6819.2013.05.014 |
Cover
| Abstract | 针对大棚基地作物状态及环境信息的无线采集的需求，设计了改进的分簇Tree-Mesh混合拓扑结构无线传感器网络，并利用ZigBee实现了组网和多跳通信，以CC2530为核心设计了多传感器无线节点硬件系统，基于Z-Stack协议栈设计了有限状态机节点程序。同时，针对无线节点低功耗和网络信息低冗余的要求，设计了基于接收信号强度指示的最佳发射功率自适应机制，和基于感知数据差值的最小传输数据冗余自适应机制。试验结果表明，节点单跳和多跳通信速率典型值分别为20与0.3 kb/s，采用干电池供电和直流供电的节点通信距离分别可达30和90 m。仿真结果证明采用低功耗自适应机制的节点功耗降低了38.44%，可用作大棚基地的环境监测。 |
|---|---|
| AbstractList | S126%TN919.72; 针对大棚基地作物状态及环境信息的无线采集的需求,设计了改进的分簇 Tree-Mesh 混合拓扑结构无线传感器网络,并利用ZigBee实现了组网和多跳通信,以CC2530为核心设计了多传感器无线节点硬件系统,基于Z-Stack协议栈设计了有限状态机节点程序.同时,针对无线节点低功耗和网络信息低冗余的要求,设计了基于接收信号强度指示的最佳发射功率自适应机制,和基于感知数据差值的最小传输数据冗余自适应机制.试验结果表明,节点单跳和多跳通信速率典型值分别为20与0.3 kb/s,采用干电池供电和直流供电的节点通信距离分别可达30和90 m.仿真结果证明采用低功耗自适应机制的节点功耗降低了38.44%,可用作大棚基地的环境监测. 针对大棚基地作物状态及环境信息的无线采集的需求，设计了改进的分簇Tree-Mesh混合拓扑结构无线传感器网络，并利用ZigBee实现了组网和多跳通信，以CC2530为核心设计了多传感器无线节点硬件系统，基于Z-Stack协议栈设计了有限状态机节点程序。同时，针对无线节点低功耗和网络信息低冗余的要求，设计了基于接收信号强度指示的最佳发射功率自适应机制，和基于感知数据差值的最小传输数据冗余自适应机制。试验结果表明，节点单跳和多跳通信速率典型值分别为20与0.3 kb/s，采用干电池供电和直流供电的节点通信距离分别可达30和90 m。仿真结果证明采用低功耗自适应机制的节点功耗降低了38.44%，可用作大棚基地的环境监测。 |
| Abstract_FL | Wireless sensor networks have been widely utilized in agricultural production in such as crop information monitoring systems, agricultural facilities’wireless control systems, etc. The wireless sensor networks could promote the development of agricultural information and intelligence, and more research has been focused on using ZigBee wireless technology to build the networks in recent years. To collect the base crop status and environmental information of greenhouses in a wireless way, a wireless sensor monitoring network system was designed. The basic work of this paper was the software and hardware system design; further work is projected to be low-power adaptive mechanism design. In analyzing the distribution characteristics of the greenhouse base, it could be seen that the greenhouses were concentrated in their distribution, but independent from each other. So the network topology architecture was designed as clustering Tree-Mesh hybrid topology architecture, and the nodes of the cluster belonged to the same greenhouse. The network was built up by a coordinator, and a large number of routers and sensor nodes were joined in. The coordinator was a sink node, it was designed as a gateway, and there were some routers which played the role of cluster head in the network. The clustering Tree-Mesh hybrid network was built in two steps: First, the mesh network was established by the coordinator and cluster head. Then, the tree network was built by the cluster head, and the tree was a cluster with routers and sensor nodes. The system utilized ZigBee to build the wireless sensor network and multi-hop communication, and the hardware of a single chip multi-sensor wireless node based CC2530 was designed. The modular design of the hardware subsystem was composed of a radio module, sensor module and power module. The finite state machine node software and the low-power improvement were designed based on Z-Stack. The stack ran on a task allocation mechanism that was similar to the embedded operating system. According to the wireless channel quality of the motionless node, the best transmit power adaptive mechanism based Received Signal Strength Indication was designed, and the node adjusted the transmission power to get a credible communication link. According to the energy consumption distribution of the node subsystem, to reduce the energy consumption of the wireless transmission, a minimum data transmission redundancy adaptive mechanism based perceptual data difference value was designed. And the node dropped the sensor data which had less information to avoid frequent wireless transmission. With these adaptive mechanisms, the node could meet the requirements of low power consumption and low network data redundancy. The test results showed that, when the transmitting power is 1 mW, the typical data rate of point-to-point communication is 20 kb/s, and of multi-hop is 0.3 kb/s. The communication distance of the node with the 5th battery powered is up to 30 m, and DC is 90 m. The theoretical simulation analysis showed that the energy consumption of the low-power adaptive mechanism node reduces by 38.44%. The system can meet the greenhouse base environmental monitoring application. |
| Author | 石繁荣 黄玉清 任珍文 伍春 |
| AuthorAffiliation | 西南科技大学信息工程学院,绵阳621010 西南科技大学国防科技学院,绵阳621010 |
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| DocumentTitleAlternate | Design of adaptive tree-mesh hybrid wireless sensor networks for greenhouses |
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| Keywords | ZigBee 自适应 topology low power consumption monitoring adaptive 拓扑 低功耗 sensors 监测 Tree-Mesh 传感器 CC2530 |
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| Notes | Shi Fanrong, Huang Yuqing, Ren Zhenwen, Wu Chun （1. School of Information Engineering, Southwest University of Science and Technology, Mianyang 621010, China; 2. School of National Defence Science and Technology, Southwest University of Science and Technology, Mianyang 621010, China） 11-2047/S Wireless sensor networks have been widely utilized in agricultural production in such as crop information monitoring systems, agricultural facilities’ wireless control systems, etc. The wireless sensor networks could promote the development of agricultural information and intelligence, and more research has been focused on using ZigBee wireless technology to build the networks in recent years. To collect the base crop status and environmental information of greenhouses in a wireless way, a wireless sensor monitoring network system was designed. The basic work of this paper was the software and hardware system design; further work is projected to be low-power adaptive mechanism design. In analyzing the distribution charact |
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| PublicationYear | 2013 |
| Publisher | 西南科技大学信息工程学院,绵阳 621010%西南科技大学国防科技学院,绵阳 621010 |
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| SubjectTerms | Tree-Mesh ZigBee,CC2530 传感器 低功耗 拓扑 监测 自适应 |
| Title | 自适应Tree-Mesh结构的大棚无线监测网络设计 |
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